User Information and Service Guide - HP Carrier-Grade Server cc3310

82 Chapter 8
Diagnostic LED Decoder
G = Green, R = Red, A = Amber
Post
Code
MSB LSB
Description
12h Off Off G R Initializing APP CMOS RAM for appliance servers only
12h Off Off G R Check point after CMOS initialized
27h Off G A G Validate date and time in RTC
F4h R A R R Load micro code to all CPUs
F6h R A A R Scan SMBIOS GPNV areas
15h Off G Off A 8254 timer test on Channel 2
15h Off G Off A Enable 8042
15h Off G Off A Keyboard reset
26h Off G A Off Initialize LCD, if supported
28h G Off R Off Set video mode: Initialization before setting the video mode is
complete. Configuring the monochrome mode and color mode
settings next.
29h G Off R G Debugger hook
2Ah G Off A Off Init PCI devices and motherboard devices. Pass control to video
BIOS. Start serial console redirection.
2Bh G Off A G Platform hook
2Dh G G R G Initialize AMI display manager module. Initialize support code
for headless system if no video controller is detected.
2Dh G G R G Scan flash for logos and initialize logo data areas
30h Off Off R R Detect PS/2 mouse
30h Off Off R R Hook after c000 ROM control
2Eh R R A Off Set up video parameters in BIOS data area
37h Off G A A Activate ADM: The display mode is set. Displaying the power-on
message next.
37h Off G A A Initialize language module. Display splash logo.
37h Off G A A Display sign on message, BIOS ID and processor information
38h G Off R R Detect USB mouse: Initializing the bus input, and general
devices next, if present.
34h Off G R R Reset IDE controllers
39h G Off R A Displaying bus initialization error messages
3Ah G Off A R Display setup message: The new cursor position has been read
and saved. Displaying the hit setup message next.
40h Off R Off Off Ensure timer keyboard interrupts are on
4Bh G R G G Memory test: The amount of memory above 8 MB has been
found and verified. Checking for a soft reset and clearing the
memory below 8 MB for the soft reset next. If this is a power-on