Table 3-14 Post Progress Led Code Table (Port 80H Codes) - Sun Microsystems Sun Fire V60x Manual

POST Progress LED Code Table (Port 80h Codes)
TABLE 3-14
POST Diagnostic LED Decoder
Code (G = green, R = red, A = amber)
MSB
20h Off Off
22h Off Off
24h Off G
26h Off G
28h G Off
2Ah G Off
2Ch G G
2Eh G G
30h Off Off
32h Off Off
34h Off G
36h Off G
38h G Off
3Ah G Off
3Ch G G
3Eh G G
40h Off R
42h Off R
44h Off A
46h Off A
48h G R
Description
LSB
R Off Uncompress various BIOS modules.
A Off Verify password checksum.
R Off Verify CMOS checksum.
A Off Read microcode updates from BIOS ROM.
R Off Initializing the processors. Set up processor registers. Select least
featured processor as the BSP.
A Off Go to Big Real mode.
R Off Decompress INT13 module.
A Off Keyboard controller test: the keyboard controller input buffer is
free. Next, the BAT command will be issued to the keyboard
controller.
R R Swap keyboard and mouse ports, if needed.
A R Write command byte 8042: the initialization after the keyboard
controller BAT command test is done. The keyboard command
byte will be written next.
R R Keyboard Init: the keyboard controller command byte is written.
Next, the pin 23 and 24 blocking and unblocking commands will
be issued.
A R Disable and initialize the 8259 programmable interrupt controller.
R R Detect configuration mode, such as CMOS clear.
A R Chipset initialization before CMOS initialization.
R R Init system timer: the 8254 timer test is over. Starting the legacy
memory refresh test next.
A R Check refresh toggle: the memory refresh line is toggling.
Checking the 15 second on/off time next.
Off Off Calculate CPU speed.
G Off Init interrupt vectors: interrupt vector initialization is done.
Off Off Enable USB controller in chipset.
G Off Initialize SMM handler. Initialize USB emulation.
Off Off Validate NVRAM areas. Restore from backup if corrupted.
Chapter 3 Troubleshooting the Server Using Built-In Tools 3-25