Об использовании POST кодов для диагностики можно узнать в статье «POST коды».
POST коды Phoenix BIOS (V.4.0 Release 6)
02 | Verify Real Mode. |
03 | Disable Non-Maskable Interrupt (NMI). |
04 | Get CPU type. |
06 | Initialize system hardware. |
08 | Initialize chipset with initial POST values. |
09 | Set IN POST flag. |
0A | Initialize CPU registers. |
0B | Enable CPU cache. |
0C | Initialize caches to initial POST values. |
0E | Initialize I/O component. |
8F | Determine number of ATA drives (optional). |
90 | Initialize hard-disk controllers. |
91 | Initialize local-bus hard-disk controllers. |
92 | Jump to UserPatch2. |
93 | Build MPTABLE for multi-processor boards. |
95 | Install CD ROM for boot. |
96 | Clear huge ES segment register. |
97 | Fixup Multi Processor table. |
98 | Search for option ROMs. One long, two short beeps on checksum failure. |
99 | Check for SMART Drive (optional). |
9A | Shadow option ROMs. |
9C | Set up Power Management. |
9D | Initialize security engine (optional). |
9E | Enable hardware interrupts. |
9F | Determine number of ATA and SCSI drives. |
A0 | Set time of day. |
A2 | Check key lock. |
A4 | Initialize Typematic rate. |
A8 | Erase F2 prompt. |
AA | Scan for F2 key stroke. |
AC | Enter SETUP. |
AE | Clear Boot flag. |
B0 | Check for errors. |
B2 | POST done — prepare to boot operating system. |
B4 | One short beep before boot. |
B5 | Terminate QuietBoot (optional). |
B6 | Check password (optional). |
B9 | Prepare Boot. |
BA | Initialize DMI parameters. |
BB | Initialize PnP Option ROMs. |
BC | Clear parity checkers. |
BD | Display MultiBoot menu. |
BE | Clear screen (optional). |
BF | Check virus and backup reminders. |
C0 | Try to boot with INT 19. |
C1 | Initialize POST Error Manager (PEM). |
C2 | Initialize error logging. |
C3 | Initialize error display function. |
C4 | Initialize system error handler. |
C5 | PnPnd dual CMOS (optional). |
C6 | Initialize notebook docking (optional). |
C7 | Initialize notebook docking late. |
C8 | Force check (optional). |
C9 | Extended checksum (optional). |
D2 | Unknown interrupt. |
E0 | Initialize the chipset. |
E1 | Initialize the bridge. |
E2 | Initialize the CPU. |
E3 | Initialize system timer. |
E4 | Initialize system I/O. |
E5 | Check force recovery boot. |
E6 | Checksum BIOS ROM. |
E7 | Go to BIOS. |
E8 | Set Huge Segment. |
E9 | Initialize Multi Processor. |
EA | Initialize OEM special code. |
EB | Initialize PIC and DMA. |
EC | Initialize Memory type. |
ED | Initialize Memory size. |
EE | Shadow Boot Block. |
EF | System memory test. |
F0 | Initialize interrupt vectors. |
F1 | Initialize Run Time Clock. |
F2 | Initialize video. |
F3 | Initialize System Management Mode. |
F4 | Output one beep before boot. |
F5 | Boot to Mini DOS. |
F6 | Clear Huge Segment. |
F7 | Boot to Full DOS. |
FF кода чего-то нету. У меня именно так сигналит …