Debug LED Panel
Please refer to the table below to get more information about the Debug LED mes- sage.
Post | Status |
FFPower on and first initialize CPU.
C0, C1, C2 Early CPU Initialize.
C4, C6 Initialize chipset.
D4, D5 Initialize memory.
08 | Initialize keyboard. |
2A, 31 | Initialize onboard devices. Load Option ROM (VGA and RAID option |
| ROM) from BIOS to memory. |
37Displaying
38Initialize USB device and different devices.
3C | Mid POST initialization of chipset registers. Detect different devices |
| (parallel ports, serial ports and coprocessor in CPU...etc.) |
75, 78 | Initialize INT 13 devices and IPL devices. (include SATA/ PATA HDD |
| and CD/DVD ROM). |
87 | Enter setup screen. BIOS setup if needed/ requested. |
A4 | Wait for user input at configuration display if needed. |
A7 | Display the system configuration screen if enabled. |
B1 | Save system context for ACPI (Advanced Configuration and Power |
| Interface).Prepare give control to OS loader (INT 19H). |
00 | Pass control to OS Loader (typically INT 19H). |
AA | Enter OS (Vista or Windows® XP). |
