DIGITAL-LOGIC AG MSM586SEN/SEV Manual V1.5E
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17.2 POST-CODE Description
More details are available in the separate BIOS manual on our CD and homepage !
17.2.1 Boot Loader
00h DIAG_SYSTEM_INIT Boot started
01h DIAG_A20_DISABLE Disable A20 through A20
02h DIAG_INIT_CHIPSET Initialize CS
03h DIAG_TEST_RAM Test RAM
04h DIAG_MOVE_BB_LOADER Move BL into the RAM
05h DIAG_EXECUTE_IN_DRAM Execution in RAM
06h DIAG_USER_FLASH_CHECK Check OVERRIDE option
07h DIAG_SHADOW_BIOS Shadow System BIOS
08h DIAG_CHECKSUM_BIOS Checksum System BIOS ROM
09h DIAG_NORMAL_BOOT Proceed with Normal Boot
0Ah DIAG_CRISIS_BOOT Proceed with Crisis Boot
51h DIAG_FATAL_SUPERIO ALIM5123 not detected
0Fh DIAG_FATAL_ERROR Fatal Error
17.2.2 Error Beep codes
F0h ERROR_BBF_NORAM No RAM .... -
F1h ERROR_BBF_RAMBAD RAM test failed ..._ -
02h ERROR_BBF_NOBIOS BIOS is not shadowed .._. -
04h ERROR_BBF_BIOSCS BIOS Checksum BAD ._.. -
0Ah ERROR_BBF_CRISISBAD No CR code/CR bad _._. -
17.2.3 System BIOS in Shadow RAM
10H DEBUG_MISC_RESET Some Type Of Long Reset
11H DEBUG_CS_FAST_A20_RESET Turn off FASTA20 for POST
12H DEBUG_POST_SIGNAL_POR Signal Power On Reset
13H DEBUG_CS_CHIP_INIT Initialize the Chipset
14H DEBUG_OEM_ISA_VGA_SEARCH Search For ISA Bus VGA Adapter
15H DEBUG_HWIO_SETUP_CTC1 Reset Counter/Timer 1
16H DEBUG_OEM_SET_CMOS_REGS user register config through CMOS
17H DEBUG_CS_MEMORY_SIZE Size Memory
18H DEBUG_POST_TEST_RAM Dispatch To RAM Test
19H DEBUG_GEN_TEST_ROMS checksum the ROM
1AH DEBUG_HWIO_RESET_INTS Reset PIC's
1BH DEBUG_VIDEO_VIDEO_INIT Initialize Video Adapter(s)
1CH DEBUG_VIDEO_EQUIP_INIT Initialize Video (6845 Regs)
1DH DEBUG_VIDEO_COLOR_INIT Initialize Color Adapter
1EH DEBUG_VIDEO_BW_INIT Initialize Monochrome Adapter
1FH DEBUG_HWIO_TEST_DMA_PAGE Test 8237A Page Registers
20H DEBUG_KEYB_SELFTEST_CTLR Test Keyboard
21H DEBUG_KEYB_RESET_KEYBOARD Test Keyboard Controller
22H DEBUG_POST_CHECK_CMOS_RAM Check If CMOS Ram Valid
23H DEBUG_POST_TEST_BATT_CMOS_SUM Test Battery Fail & CMOS X-SUM
24H DEBUG_HWIO_TEST_DMA_CTLRS Test the DMA controllers
25H DEBUG_HWIO_INIT_8237 Initialize 8237A Controller
26H DEBUG_POST_INIT_VECS Initialize Int Vectors
27H DEBUG_RAM_QUICK_SIZE RAM Quick Sizing
28H DEBUG_RAM_PROT_ENTRY_1 Protected mode entered safely
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