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headphones Diagnostic Card Motherboard diagnosis

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PostWysłany: Wto 10:13, 24 Maj 2011 Temat postu: headphones Diagnostic Card Motherboard diagnosis

Award AMI Phoenix/Tandy3000
00 yards with the same FF FF FF
01 processors with Test 1, the processor state to verify if the test fails, the loop is infinite. Test for CPU, check CPU CPU jumper settings wrong or not? Processor register test about to begin, non-maskable interrupt will be disabled. Remedy recommended CPU register test in progress with the left or failure. Same as proposed exclusion method.
02 to determine the type of diagnosis (normal or manufacturing). If the keyboard buffer containing the data is invalid. Test check the circuit board associated with the keyboard and the keyboard itself. Use of non-maskable interrupt; by delaying the start. Check the motherboard and CPU CMOS write / read in progress or failure. Test check the motherboard battery.
03 Clear 8042 keyboard controller, issue the TEST-KBRD command (AAH). Check the internal circuitry and software keyboard. Power delay ROM BIOS check components have been completed or ongoing failure. Test check the motherboard battery.
04 8042 keyboard controller reset to verify TESTKBRD. Keyboard interface circuit board in the investigation. Keyboard controller soft reset / power test. Check the control board in the keyboard part of the circuit. Programmable interval timer test in progress or failure. Check the motherboard circuitry associated with the timer.
05 manufacturing test if repeated 1 to 5, 8042 obtained control of the state. Check the keyboard control circuit board. Identified soft reset / power; about to start ROM. Check the motherboard ROM chip and its support circuitry. DMA in progress or failure of the initial preparation. Check the motherboard with the DMA chip and its peripheral circuits.
06 for the initial preparation, the circuit chip,free beats by dre headphones Modify winXP pro installation interface , the boot, disable video, parity, DMA circuit chip and clear the DMA circuit chip, all page registers, and COMS register work. Check the motherboard circuitry associated with DMA. ROM BIOS ROM has started calculating checksum, and check the keyboard buffer is cleared. Check the motherboard chipset and its support circuitry RCM. Initial DMA page register read / write test in progress or failure. Check with the DMA on the motherboard chip and its peripheral circuits.
07 Processor test 2, to verify the work of CPU registers. Check CPU is plugged in, or a bad CPU, or CPU jumper settings are wrong and so no. ROM BIOS check sum of the normal keyboard buffer is cleared, sent to the keyboard BAT (Basic Assurance Test) command. Keyboard interface circuit board in the investigation or trial replace the keyboard.
08 to CMOS timer for the initial preparation, the normal update cycle of the timer. Check the circuit board and chip in the COMS. Keyboard BAT command has been issued, will write BAT command. Check the keyboard control circuit board and the keyboard itself. RAM update the test in progress or failure. Check the motherboard's memory interface circuit and the memory slots and memory.
09 EPROM checksum and must be equal to zero before passing. Check the motherboard's BIOS circuits and chips. The basic assurance tests to verify the keyboard, and then verify the keyboard command byte. Check the motherboard for the keyboard test keyboard socket and the first 64K RAM test in progress. Find method as above.
0A video interface for the initial preparation, check with the card issuing keyboard commands on the circuit byte code, is about to write command byte of data. Test for the first 64K RAM drive chip or data line failure, shift. Ibid.
0B 8254 test chip DMA channel 0. Check the control circuit board and keyboard in the keyboard control circuit in the keyboard controller command byte is written, to be issued 23 and 24 of the blocking pin / unlock command. Check the keyboard controller circuit. The first 64K RAM odd / even logic failure. Ibid.
0C Test 8254 channel 1. Check the keyboard control circuit. Keyboard controller pin 23,24 is shielded / unlock; NOP command has been issued. Keyboard test for the first 64K RAM address line failure. Ibid
0D 1, check whether the CPU speed and system clock frequency matching. And COMS investigations on CPU jumper setting CPU parameters. 2, check the control chip is programmed to set the initial value is found. 3, video channel, if that fails, then the honking. NOP command has been processed; then test CMOS closed register. Check the motherboard to control circuits related to the first CMOS 64K RAM parity failure. Ibid.
0E test COMS downtime bytes. Check the motherboard CMOS chip and circuit. CMOS status register read / write test; COMS checksum will be calculated. Check the motherboard CMOS chip and its support circuitry and motherboard battery initialization input and output port address. Check with the motherboard I / O chip and its associated peripheral circuits, and note the expansion card inserted in the external device I / O address whether there is conflict.
0F test the calculated expansion of the CMOS check sum CMOS diagnostic byte is written, CMOS begin the initial preparation. Check the motherboard battery and the CMOS chip
10 Test DMA channel 0. Check the chip and circuit board in the DMA have been the initial preparation CMOS, CMOS status register about the date and time to do the initial preparation. Investigation board CMOS control circuitry in the first 64K RAM failure bit 0. Check the circuit board in the memory management and memory slots it has rust? Whether the debris? No bad memory?
11 Test DMA channel 1. Check the motherboard in the DMA chip and the chip peripheral circuits. CMOS status register is for the initial preparation, will disable the DMA and interrupt controller. Check the motherboard with DMA and interrupt controller and its peripheral circuits on the chip. The first 64K RAM failure bit 1. With code 10.
12 Test DMA page registers. Investigation board DMA chip and the chip in the peripheral circuits. Disable the DMA controller,headphones, interrupt controller 1 and 1 and 2; will disable the video display and to port B for the initial preparation. Check the motherboard or video card in the video interface circuit. The first 64K RAM failure bit 2. With code 10.
13 Test 8741 keyboard controller interface. Keyboard interface circuit board in the investigation. Video display is disabled, the port B is for the initial preparation; upcoming circuit chip initialize / auto memory detection. Check card in the control chip, memory chip and its peripheral circuits. The first 64K RAM failure bit 3. With code 10.
14 Test 8254 Timer 0. Check the timer circuit board. Circuit chip initialize / auto memory detection over; 8254 timer test about to begin. Board in 8254, or check with the timer on the chip and its support circuitry. The first 64K RAM failure bit 4. With code 10.
15 test 8259 interrupt mask bits. Check the motherboard in the 8259 chip and its peripheral circuits. 2-channel timer test half; 8254 2-channel timer is about to complete the test. Part of the timer circuit board in the investigation. The first 64K RAM failure bit 5. With code 10.
16 build 8259 with the interrupt vector table. Check the motherboard in the 8259 chip and its peripheral circuits. 2-channel timer test is over; 8254 1-channel timer is about to complete the test. Check the timer chip in the motherboard and peripherals. The first 64K RAM failure bit 6. With code 10.
17 alignment video input / output work, if the BIOS is enabled with the video. Check cards and motherboards with significant search-related control circuit. 1-channel timer test is over; 8254 timer 0 channel is about to complete the test. Timer circuit board in the investigation. The first 64K RAM failure bit 7. With code 10.
18 test video memory, if you use the video BIOS installed by the tests,beats dr dre Four bright spots appear in Chengdu U, can be bypassed. Check card in the BIOS chip and its peripheral circuits. End of the test channel timer 0; upcoming update memory. Check the circuit board in the memory management, memory slots and memory. The first 64K RAM failure bit 8. With code 10.
19 test 1-channel interrupt controller (8259) shield bit. Check the motherboard in the 8259 chip. Has begun to update the memory. The first 64K RAM failure bit 9. With code 10.
1A Test interrupt controller 2 channel (8259) shield bit. Check the motherboard in the 8259 chip. Line memory update is triggered, will check 15 μs ON / OFF time. Check motherboard memory chip and its interface circuit. The first 64K RAM failure 10th. With code 10.
1B test CMOS battery level. Check whether the motherboard has power in the battery, and some plates inside the battery installed in the CMOS module, replace the battery cover can be removed. Updated 30 microseconds to complete the memory test; about to start 64K memory basic at this time. Memory control section and check the motherboard memory slots and memory. The first 64K RAM failure 11th. With code 10.
1C CMOS check sum test. Check the motherboard CMOS chip and its circuit. The first 64K RAM failure 12th. With code 10.
1D it is set CMOS configuration. Check the motherboard CMOS chip. The first 64K RAM failure 13th. With code 10.
1E determine the size of system memory, and compare it with CMOS values. Check the motherboard's CMOS memory circuits and motherboards. The first 64K RAM failure bit 14. With code 10.
1F 64K memory test to a maximum of 640K. Check the motherboard's memory or memory chips. The first 64K RAM failure bit 15. With code 10.
20 Test 8259 interrupt bits fixed. Check the motherboard in the 8259 chip and peripheral circuits. 64K memory test start basic; will test the address lines. Check the memory interface and memory, motherboard and memory slots. Slave DMA register test in progress or failure. Check the motherboard contains DMA chip and support circuitry.
21 maintain the non-maskable interrupt (NMI) bit (parity or input / output channel check). Check interrupt control chip in the motherboard and peripheral circuits. Through the address line test; will trigger parity. Board memory parity check bits associated with the data line circuit. Master DMA register test in progress or failure. Ibid.
22 Test 8259 interrupt functionality. Check the motherboard in the 8259 chip and its peripheral circuits. Trigger the end of parity; will start the serial data read / write test. Check the motherboard with the memory control section and memory, slot. Master interrupt mask register test in progress or failure. Check interrupt controller on the motherboard with the chip and its peripheral circuits.
23 Test protected mode; virtual mode and page mode. Check the motherboard memory chips and the surrounding circuitry. 64K basic serial data read / write tests are normal; interrupt vector initialization about to begin prior to any adjustment. Check the motherboard with the interrupt vector interrupt controller and the memory part. Slave interrupt mask register test in progress or failure. Check interrupt controller on the motherboard with the chip and its peripheral circuits.
24 measured more than 1MB extended memory. Check memory. Initialization Vector prior to the completion of any regulation, the interrupt vector is about to begin the initial preparation. Investigation board interrupt controller. FS registry settings into the memory segment address register high. Check the motherboard with the memory management interface circuits on the chip and its support circuitry and memory.
25 addition to the first test all the memory after a 64K. Check memory. Completion of the initial vector for the interrupt; will start rotating to read 8042 input / output ports. Check the motherboard and peripheral chips in 8042. Interrupt vector loading in progress or failure. Check the motherboard's memory control circuit and the memory slot and memory.
26 1, test the protection mode exceptions. CPU and motherboard in the investigation of memory and so on. 2, non-fatal failure, VGA display normal, if non-fatal fault in the VGA monitor to display the error message, or boot the operating system, then 26 is the OK code, diagnosis code card, no other significant . 1, 8042 to read and write input and output ports; about to begin rotating to the global data for the initial preparation. Check the chip part of the board in 8042. 2, with the left. 1, open the address line A20 to make it into the address reference. Check the motherboard memory management chip A20 pin, pin associated with the circuit, the memory slot on the A20 reach of shrapnel if the finger memory, or memory function of A20 foot ring. 2, with the left.
27 Determination of ultra-high speed buffer memory control or block RAM. Check the control circuit board and in the Cache memory. The end of the initial data for the whole 1; then interrupt vector will be conducted after any initial preparation. Investigation board interrupt controller. Keyboard controller test in progress or failure. Keyboard interface circuit board in the investigation.
28 Determination of ultra-high speed buffer memory 8042 to control or special keyboard controller. Cache control and check the motherboard in the keyboard control circuit board. After completion of the initial vector for the interrupt; will adjust the order and color mode. Graphics interface part of the investigation. CMOS power failure / checksum calculation in progress. Check the motherboard CMOS chip and its associated power supply circuit and the current path in the part of the motherboard, try replacing the power.
29 has adjusted the order and color mode, color mode will be transferred. Check color graphics. Check the effectiveness of CMOS configuration being. Check written to the circuit board in the CMOS.
2A so that the keyboard controller for the initial preparation. Check the keyboard controller circuit board has been set in color tone, the upcoming ROM parity before testing the trigger. Check card BIOS chips and support circuitry. 64K base memory blank. Check the memory interface circuit board and memory slots and memory.
2B the floppy disk controller and controller for the initial preparation. Check the control circuit board in the floppy drive and floppy drive itself has problems and the motherboard I / O section and so on. Trigger the end of parity; will control the optional video ROM check prior to any adjustments required. Check card ROM and its surrounding circuitry. Screen memory test in progress or failure. Check motherboard or video card in the memory interface circuit and memory chips.
2C check the serial port, and make initial preparations. Check the serial control circuit board and the board I / O part of the serial circuit. Completed before the video ROM control treatment; will view the optional video ROM and control. Check card ROM chips and associated circuitry. The initial screen for progress or failure. Check card interface circuit.
2D check the parallel port, and make initial preparations. Or check the motherboard's parallel port multi-function card in the control circuit. Has completed the optional video ROM control is about to return control after the video ROM control of any other treatment. Check card BIOS chip and external circuitry. Screen retrace tests in progress or failure. Check card ROM chip and its control circuit.
2E to the hard drive and controller for the initial preparation. Check the motherboard or multi-functional control circuit card or hard drive itself. From the video ROM control treatment after the recovery; If you do not find EGA / VGA display memory will be read / write test. Check the memory card and peripheral circuits. Check the video ROM in progress. Check card ROM chip and its control circuit.
2F test math coprocessor, and make it for sure as the initial. Mathematical investigations in the processor board (486DX CPU or more processors are combined with mathematics as one.) Did not find EGA / VGA; upcoming display memory read / write test. Check the memory chip cards and peripheral circuits.
30 to establish basic memory and extended memory. Check the motherboard's memory slots and memory control circuit and the memory itself. Through the display memory read / write test; the upcoming scan. Check the video card interface circuit. That the screen is working.
31 detected from C800: 0 to EFFF: 0 selection of ROM, and make initial preparations. Check the motherboard's ROM memory and control circuit. Display memory read / write test or scan the check fails, another upcoming display memory read / write test. Check card in the memory chip and its peripheral circuits. Monochrome monitor is working.
32 on the Main Board on the COM / LPT / FDD / sound equipment, and other I / O chip programming to fit the setting. Investigation of similar multi-function card board part of the circuit, the old board is a multifunction card for testing. Another display memory through the read / write test; upcoming another display scan. Check the video card interface circuit. Color Monitor (40) can work.
33 tranquil end of the video display; will start the actual card by adjusting the switch and the type of test display. Check the video card control circuit. Color Monitor (80) can work.
34 display adapter has been tested; then it is set will be displayed. Try changing video card. Timer tick interrupt test in progress or failure. Check the motherboard in the interrupt controller and timer circuit.
35 Livestock way it is set to complete; about peaceful BIOS ROM data area. Check card in the BIOS chip and external. Stop the test in progress or failure. Check the motherboard in the BIOS or try for CPU.
36 BIOS ROM data area has been checked; power of information about it is set cursor. Try changing video card or check card. Gates in the A-20 failure. Find method with the code 26.
37 identification information of the cursor transfer power setting has been completed; will display power information. Test for graphics cards. Unexpected interruption in the protection mode.
38 complete power of information display; will read new cursor position. Test for graphics cards. RAM test in progress or address failure> FFFFh. Check the memory interface circuit board and memory slots and memory.
39 saved cursor position has been read out, display reference information about strings. Test for graphics cards.
3A reference information string indicates the end; will show that information; test for graphics cards. Interval timer channel 2 test or failure. Search motherboard section and timing counter associated with the OPTI
3B circuit chip (just 486) to auxiliary cache storage for the initial preparation. OPTI motherboard and check the cache chips and circuits. Have shown that information; virtual way, the memory test about to begin. Check card in the ROM section. Daily calendar clock test in progress or failure. Check the motherboard in CMOS and timing circuits.
3C allowed to enter the CMOS settings to establish a sign. Check the circuit board and the CMOS RAM in the circuit. Serial port test in progress or failure. Multifunction card check motherboard or COM port interface circuit.
3D Initialize keyboard / PS2 mouse / PNP device and the total memory node. Check the keyboard, mouse, plug and play components. Parallel port test in progress or failure. Check motherboard or multifunction card LPT port interface circuit.
3E try to open the L2 cache. Check the motherboard in the Cache and associated control circuitry. Math processor test in progress or failure. 486DX CPU or above, and then try replacing the motherboard CPU Block, Charles, CPU power frequency jumper and other settings.
40 has begun to prepare a virtual way of testing; about from the video memory to test. Check card. Adjust the CPU speed, so that an exact match with the external clock. Check the motherboard or part timer counter oscillation frequency of testing or test the CPU for reduced CPU frequency.
41 interrupt is turned on, the initialization data to test the memory in 0:0 transformation. Check interrupt controller or memory. After the recovery from the video memory test; be prepared to descriptor table. Check card. System plug-in board select failure. Investigation board with some of the plug-in interface board.
42 display window into SETUP. Descriptor table is ready. Virtual mode memory test about to. Check the memory part. Extended CMOS RAM failure. Check the motherboard in CMOS RAM chip and its peripheral circuits.
43 If the Plug and Play BIOS, the serial port, parallel port initialization. Check the motherboard's serial port, parallel port control circuit. Into a virtual way. Will be achieved for the diagnosis of interruption. Check the memory part.
44 has achieved interrupt (such as the diagnosis has been connected to switch). About the data for the initial preparation to check the memory in 0:0 reversal. Check the memory part. Initialize BIOS interrupts. Investigation board interrupt controller.
45 Initialize math processor. Is more than the for-486DX CPU, or check math processor. Initial data have been prepared. Check back soon turn the memory in 0:0 and to identify the size of system memory. Check the memory part.
46 test memory has returned. Memory size calculation is completed, the page will be written to test memory. Check the memory part. Check the read-only memory ROM version. Check the motherboard BIOS chip and its support circuitry.
47 in the extended memory test is about to write page. 640K memory write about the basic page. Check the memory part.
48 has been willing to face the basic memory write. Will determine more than 1Mb of memory. Check the memory part. Video inspection, CMOS reconfiguration. Check motherboard or video card in the motherboard CMOS components and the interface chip and its peripheral circuits.
49 to find out 1Mb of memory, and the following test, the same will determine the 1Mb memory. Check the memory part.
4A find 1Mb of memory and the same test. Will check the BIOS ROM data area. Check the memory part. Initialization of video. Check motherboard or video card in the interface section.
4B BIOS ROM data area of ​​the test over, will check the soft reset cleared and more than 1Mb of memory. Check the memory part.
4C remove more than 1Mb of memory (soft reset) will remove more than 1Mb of memory. Check the memory part. Shielded video BIOS ROM. Check the motherboard or video card in the BIOS ROM chip and its support circuitry.
4D Memory above 1Mb cleared (soft reset). To save memory size. Check the memory part.
4E if an error is detected, the monitor displays an error message, and wait for customers by (F1) key to continue. Non-fatal failure, follow the on-screen troubleshooting. Start memory test: (no soft reset). Will display the first 64K memory test. Check the memory part. Display copyright information. Check the motherboard or the graphics card RAM chips and support circuitry,monster beats tour [ 2009-02 ] to eat in Chengdu, or when the
4F wait if no password is password, please enter the correct password, if you forget your password, please see the Begin to show the size of memory, the memory will allow the update is being tested. The serial and random memory test, check the memory part.
50 area the current BIOS CMOS temporary save in CMOS. Check the motherboard CMOS chip and its peripheral circuits. Following completion of 1Mb of memory tests. About the size of high-speed memory in order to re-positioning and masking. Check the memory part. The CPU type and speed to the screen. Find method with the code 4F.
51 tests over 1Mb of memory. Check the memory part.
52 all ISA read-only memory ROM is initialized, the final distribution to the PCI IRQ number and other initialization ROM chip and its peripheral circuits. Check the computer motherboard or expansion card ROM chip and its peripheral circuits. Has completed more than 1Mb of memory tests. Be ready to return to real mode address. Investigation of memory the motherboard and memory control circuit. Into the keyboard detection. Check the motherboard's keyboard interface circuit or replace the keyboard.
53 If it is not Plug and Play BIOS, then initialize the serial port, parallel port and set the clock. Check the motherboard in the series, parallel CMOS interface circuit and related parts. Save CPU registers and memory size. Will enter a real address mode. Check the memory part.
54 successful open the way to real address. Will restore the saved registers ready to shutdown. Check the memory part. Scan Try replacing the keyboard.
55 registers has been restored, will disable gate A-20 of the address lines. Check the circuit with the A20.
56 successfully disable A20 address line. Will check the BIOS ROM data area. Search in the address line A20 logic. Keyboard end of the test. Test for the keyboard.
57 BIOS ROM data area check over, will be clear that information. Check the motherboard's BIOS chip and peripheral circuits.
58 BIOS ROM data area check halfway. Continue. Search BIOS and associated circuitry. Non-set interrupt testing. Check the motherboard circuitry associated with the interrupt controller.
59 has been cleared information. Information has been displayed. About to start DMA and interrupt controller test. DMA part of the investigation board.
5A shows
5B test base memory address lines. Check the motherboard in the memory address lines on the logical part of A0 ~ A19.
5C disease 640K memory test. Check motherboard memory control circuit, memory slots and memory.
60 Set hard disk boot sector virus protection. Check whether the normal hard disk boot sector? DMA page register test passed. About to test video memory. Check the memory card section. Test extended memory. Extended memory management consignment inspection report on this victory and the memory slots and memory.
61 shows the system configuration table. If you stop at Motherboard and CPU test check the frequency, voltage and other reasons for crashes. Video memory test over. Upcoming DMA # 1 base register test. DMA part of the investigation board.
62 began to interrupt 19H to boot. If Check CPU, motherboard frequency and voltage settings, whether wrong or for CPU, memory, expansion cards to try. By DMA # 1 base register test. DMA # 2 registers the upcoming test. DMA part of the investigation board. Test extended memory address lines. Check the motherboard in the extended memory range in the address line of the control logic part.
63 by DMA # 2 base register their tests. Will check the BIOS ROM data area. Check the motherboard's BIOS chip and external circuitry.
64 BIOS ROM data area check halfway to continue. Check the motherboard's BIOS chip and external circuitry.
65 BIOS ROM data area check over. DMA unit 1 and 2, will programming. DMA part of the investigation board. Cache registry to optimize the configuration. Check the cache control circuit board and the RAM section.
66 DMA unit 1 and 2 programming over. No. 8259 interrupt controller will use for the initial preparation, interrupt control part of the investigation board.
67 8259 initial preparation has ended. About to start keyboard test. Check the motherboard keyboard interface and keyboard itself.
68 to the external CPU Internal Cache Cache and all work. View CMOS settings are set off by the project. External Cache
6A shows the value of the test. Board in the investigation and control circuit chip cache.
6C display blocked content. If stopped at
6E shows the subsidiary configuration information. Reference to
70 detected the error information to the screen display. Troubleshooting the screen prompts.
72 test configuration has errors. Reset to conform to the actual configuration and then boot.
74 test real-time clock. Timing counter part of the investigation board.
76 scans the keyboard error. Check whether a key is pressed the keyboard does not bounce, or try replacing the keyboard.
7A lock the keyboard. Test for the keyboard.
7C set the hardware interrupt vector. Check the motherboard chip interrupt controller and external circuit.
7E test are equipped with math processor.
80 Keyboard test started, there is clear and check the keys stuck, so that the keyboard is about recovery. Check the motherboard in the keyboard interface and keyboard. Close programmable input / output devices. Check the motherboard I / O control circuit.
81 to find out the keyboard error recovery (stuck key). Keyboard control port to be issued a test order. Check the keyboard control circuit board and keyboard.
82 keyboard controller interface test over, about to write command byte and the circular buffer for the initial preparation. Check the motherboard in the keyboard interface and keyboard.
83 command byte has been written, global data has completed the initial preparation. Will check if any key lock. Try replacing the keyboard.
84 has locked the key check, eggs, check whether the CMOS memory mismatch. Check memory and CMOS parts. Testing and installation of fixed parallel port. Check the motherboard's parallel port or multi-function card control section.
85 memory size has been peaceful. Will display soft error and a password or bypass arrangement. Check the contents of CMOS settings.
86 checked password. Arrangements for the forthcoming by-pass before programming. Check whether the CMOS settings are correct? Re-open the programmable I / O devices and testing of fixed I / O if there are conflicts. Investigations of various card I / O port address whether there is overlap, if you change one of the I / O address values ​​and try booting.
87 before the completion of arrangements for programming, the programming arrangements will be CMOS. CMOS chip and the surrounding investigation and batteries.
88 placement procedures recover from the CMOS clear the screen, behind the upcoming programming. Check the motherboard CMOS interfaces. Initialize BIOS data area. Check the motherboard and memory control circuit RAM or BIOS ROM.
89 to complete the programming arrangements. Power screen will display the information. Test for graphics cards, can refer to
8A shows a screen message header. Refer to Be extended BIOS data area initialized.
8N shows the information about the main screen and video BIOS. Check the video interface board or card pace.
8C successfully shield the main and video BIOS, CMOS after the arrangement will start any of the programming options. Search CMOS and around circuit. The floppy drive controller initialization. Multifunction card check motherboard or floppy drive interface circuit.
8D term options have been arranged programming, and then check the mouse and the initial preparation. Check motherboard or serial part of the multi-function card.
8E checked the mouse and the completion of the initial preparation. About the hard, floppy disk reset. Check motherboard or hard and soft multi-function card in the drive interface circuit.
8F diskettes have been checked, the disk will make the initial preparation, and then with a floppy disk. Check motherboard or multifunction card software and hardware interfaces.
90 floppy configuration the end, will test the hard disk exists. Test for the floppy drive. Hard disk controller is initialized. Check the control board or multi-function card section.
91 hard disk presence test over. Configuration, and then the disk. Initialize local bus hard disk controller. Check the hard disk interface circuit board.
92 hard disk configuration is complete. Will check the BIOS ROM data area. Charles ROM motherboard and associated parts. Jump to the user path 2.
93 BIOS ROM data area has been checked by half. Continue. The relevant part of the motherboard BIOS check.
94 BIOS ROM data area check is completed, that it is set the size of the basic and extended memory. Check the memory part.
95 in response to the mouse and hard disk support 47 to adjust the size of a good memory. Will display memory test. Check the motherboard's memory chip and peripheral circuits.
96 test showed that memory recovery. Upcoming C800: 0 before optional ROM control of the initial preparation. Search motherboard section in the ROM memory.
97 C800: 0 optional ROM control before the end of any initial preparation, followed by optional ROM check and control. Check the motherboard BIOS chip and surrounding circuitry.
98 Optional ROM control done. About to return control after optional ROM required any treatment. Check the motherboard BIOS and the surrounding. Find ROM selection.
99 after optional ROM test necessary to establish the timer of any mountain area or the printer base address. Timer counter and check the motherboard I / O interfaces.
9A it is set the timer and print the return address the basic operation. RS-232 will adjust the base address setting. Check the motherboard's COM interface circuit. ROM mask option.
9B RS-232 base address in the return after the upcoming co-processor test of the initial preparation. Check the motherboard's COM interfaces.
9C co-processor end of the initial preparation needed before the test. Then the co-processor for the initial preparation. Over the trial for 486DX CPU. Establishment of power saving management.
9D coprocessor make initial preparations for the upcoming co-processor test after any initial preparation. Over the trial for 486DX CPU.
9E coprocessor after the completion of the initial preparation,lady gaga dr dre headphones, will check extended keyboard, keyboard identifier, and digital lock. Check the motherboard in the keyboard interface and keyboard. Open hardware interrupt.
9F checked extended keyboard, it is set identifier, the digital lock on or off, the keyboard will be issued identification command. Check the keyboard.
A0 issue keyboard recognize the command. Identification will restore the keyboard. Try replacing the keyboard. Set the time and interrupts. Check the motherboard's CMOS and interrupt controller.
A1 keyboard identification recovery. Then, high-speed buffer memory test. Cache part of the investigation board.
A2 cache end of the test. Will display any soft errors. Troubleshooting the screen prompts. Check the keyboard lock. Try replacing the keyboard.
A3 Soft error display complete. About the speed it is set against the keyboard. Through the CMOS settings to make the right keyboard repeat rate.
A4 tuned keyboard hit rate, the forthcoming memory wait states. Charles RAM control section. Enter the initial keyboard repeat rate. Try replacing the keyboard.
A5 Memory wait state finalized. Then will clear the screen. Search graphics section.
A6 screen has been cleared. Parity is about to start and non-maskable interrupt. Investigation board interrupt controller.
A7 non-maskable interrupt is enabled, and parity. OM will be controlled either suspended in the E000: 0 of any required initial preparation. Check the motherboard and peripherals in the BIOS.
A8 control ROM at E000: 0 before the end of the initial preparation, and then will control the E000: 0 of any required initial preparation. Clear
A9 from the control E000: 0ROM return, will be E000: 0 can be initialized before hanging ROM control.
AA at E000: 0 optional ROM control after the end of the initial preparation. Will display the system configuration.
AC into the setting.
AE Clear Power On Self Test flag.
B0 peaceful non-critical error. Connected to the display, the screen troubleshooting tips.
B2 Power On Self Test completed, ready to enter the operating system boot. Check the operating system, software, normally not.
B4 buzzer sound.
B6 detection password settings (optional).
B8 clear all description.
BC Clear parity check value.
BE default boot program into the control chip, in line with default values ​​can be modulated binary form. Clear screen (optional).
BF test CMOS create value. Check the motherboard CMOS chip and its associated circuitry. Detection of the virus, suggesting that for data backup.
C0 initialize cache. Cache search part of the circuit board. Try boot using interrupt 19.
C1 word examination of memory. Check the motherboard's memory control circuit and memory slots and memory. Find the boot sector of the
C2 try to write the beginning of 512K bytes of memory. Check the motherboard's memory control circuit and the memory slots and memory.
C3 first 256K memory test. Check the motherboard and memory, the memory control circuit Cao and memory.
C4 256K base memory beyond this time than before, check the motherboard's memory control circuit and the memory slots and memory.
C5, copies of BIOS from the ROM for quick self-test. Check the motherboard's BIOS ROM chip and memory control circuitry and memory.
C6 Cache self-test. Check the motherboard's Cache, RAM control circuit and memory slots and memory.
CA detection Micronies cache storage (if present), and make initial preparations. Ultra-high-speed memory hungry investigation related to the motherboard section.
CC off non-maskable interrupt processor. Check the motherboard's non-maskable interrupt controller circuit.
EE processor unexpected exceptions. Check power supply,dre headphones, expansion cards, memory and other parts of the connection between the bad and the motherboard, refer to
FF 1, by a series of other code to the 2, a


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