Intel SCB2 - Server Board Motherboard Product Manual page 93

Table 11. Post Codes (continued)
Diagnostic LED Decoder
Post
G=Green, R=Red, A=Amber
Code
MSB
19h G Off
1Ah G Off
23h Off Off
24h Off
25h Off
F2h R
F5h R
12h Off Off
12h Off Off
12h Off Off
27h Off
F4h R
F6h R
15h Off
15h Off
15h Off
26h Off
28h G Off
29h G Off
2Ah G Off
2Bh G Off
2Dh G
2Dh G
30h Off Off
30h Off Off
2Eh R
37h Off
37h Off
37h Off
38h G Off
34h Off
Technical Reference
LSB
Init System Timer: The 8254 timer test is over. Starting the memory
Off A
refresh test next.
Check Refresh Toggle: The memory refresh line is toggling.
G R
Checking the 15 second on/off time next
Setup Interrupt Vectors: Reading the 8042 input port and disabling
the MEGAKEY Green PC feature next. Making the BIOS code
A G
segment writable and performing any necessary configuration
before initializing the interrupt vectors
Before Vector: Configuration is required before interrupt vector
G R Off
initialization has completed. Interrupt vector initialization is about to
begin
G R G Init interrupt Vectors: Interrupt vector initialization is done.
R A R Initialize SMM handler. Initialize USB emulation.
A R A Validate NVRAM areas. Restore from backup if corrupted.
Load defaults in CMOS RAM if bad checksum or CMOS clear
G R
jumper is detected.
G R Initializing APP CMOS RAM for appliance servers only.
G R Check point After CMOS Initialized
G A G Validate date and time in RTC.
A R R Load Micro Code To All CPUs
A A R Scan SMBIOS GPNV areas
G Off A 8254 Timer Test on Channel 2
G Off A Enable 8042
G Off A Keyboard Reset
G A Off Initialize LCD, if supported.
Set Video Mode: Initialization before setting the video mode is
R Off complete. Configuring the monochrome mode and color mode
settings next.
R G Debugger Hook
Init PCI devices and motherboard devices. Pass control to video
A Off
BIOS. Start serial console redirection.
A G Platform hook
Initialize AMI display manager Module. Initialize support code for
G R G
headless system if no video controller is detected.
G R G Scan flash for logos and Initialize logo data areas
R R Detect PS/2 Mouse
R R Hook after c000 ROM control
R A Off Set up video parameters in BIOS data area.
Activate ADM: The display mode is set. Displaying the power-on
G A A
message next.
G A A Initialize language module. Display splash logo.
G A A Display Sign on message, BIOS ID and processor information.
Detect USB Mouse: Initializing the bus input, and general devices
R R
next, if present.
G R R Reset IDE Controllers
Description
continued
93