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

Chapter 8 81
Table 10-3. POST Codes
Diagnostic LED Decoder
G = Green, R = Red, A = Amber
Post
Code
MSB LSB
Description
07h Off G G G Uncompress various BIOS modules
08h G Off Off Off Verify password checksum
08h G Off Off Off Verify CMOS checksum
07h Off G G G Read microcode updates from BIOS ROM
07h Off G G G Initializing the processors. Set up processor registers. Select
least featured processor as the boot strap processor (BSP).
0Bh G Off G G Hook before the keyboard BAT command is issued.
0Ch G G Off Off Keyboard controller test: The keyboard controller input buffer is
free. Next, issuing the BAT command to the keyboard controller.
0Eh G G G Off Init after keyboard test: The keyboard controller BAT command
result has been verified. Next, performing any necessary
initialization after the keyboard controller BAT command test.
0Fh G G G G Write command byte 8042: The initialization after the keyboard
controller BAT command test is done. The keyboard command
byte will be written next.
10h Off Off Off R Keyboard Init: The keyboard controller command byte is written.
Next, issuing the pin 23 and 24 blocking and unblocking
commands.
10h Off Off Off R Disable and initialize 8259
11h Off Off Off A Detect configuration mode, such as CMOS clear
13h Off Off G A Chipset initialization before CMOS initialization
19h G Off Off A Init system timer: The 8254 timer test is over. Starting the
memory refresh test next.
1Ah G Off G R Check refresh toggle: The memory refresh line is toggling.
Checking the 15-second on/off time next.
23h Off Off A G Setup interrupt vectors: Reading the 8042 input port and
disabling the MEGAKEY Green PC feature next. Making the
BIOS code segment writable and performing any necessary
configuration before initializing the interrupt vectors.
24h Off G R Off Before vector: Configuration is required before interrupt vector
initialization has completed. Interrupt vector initialization is
about to begin.
25h Off G R G Init interrupt vectors: Interrupt vector initialization is done.
F2h R R A R Initialize SMM handler. Initialize USB emulation.
F5h R A R A Validate NVRAM areas. Restore from backup if corrupted.
12h Off Off G R Load defaults in CMOS RAM if bad checksum or CMOS clear
jumper is detected