
GL815E Endura Motherboard Product Manual
Page 36 of 51
BIOS POST Checkpoint Codes
56h Enable keyboard C"h Initialize PEM
58h Test for unexpected interrupts C2h PEM log
59h Initialize PDS C3h PEM Display
5Ah
Display prompt "Press F2 to enter
SETUP"
C4h PEM sys error initialization
5Bh CPU cache off C5h Dual CMOS
5Ch Test RAM between 5"2KB and 640KB C6h Docking initialization
5Eh Base Address C7h Late docking initialization
60h Test extended memory D0h Interrupt handler error
62h Test extended memory address lines D2h Unknown interrupt error
64h Jump to UserPatch" D4h Pending interrupt error
66h Configure advanced cache registers D6h Initialize option ROM error
68h Enable external and CPU caches D8h Shutdown error
69h PM set up SMM DAh Extended Block Move
6Ah Display external cache size DCh Shutdown "0 error
6Bh Load custom defaults DFh A20 Error
Checkpoint Code Beep Code
"6h BIOS ROM checksum "-2-2-3
20h Test DRAM refresh "-3-"-"
22h Test 8742 Keyboard Controller "-3-"-3
28h Autosize DRAM "-3-3-"
29h Initialize PMM "-3-3-2
2Ch Test 5"2KB base address lines "-3-4-"
2Eh Test low byte of 5"2KB base memory "-3-4-3
34h Test CMOS RAM "-4-3-"
3Ah Auto-size cache "-4-3-3
46h Check ROM copyright notice 2-"-2-3
58h Test for unexpected interrupts 2-2-3-"
90h Initialize hard disk controller 3-2-"-"
98h Search for option ROMs (beep for bad checksum) "-2
B4h One beep before boot "
DFh A20 Error 4-2-4-4