Sun Microsystems Cobalt LX50, User Manual

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Chapter 6: Troubleshooting the Server
6-14 User Guide—Sun Cobalt LX50 Server
15h Off G Off A 8254 timer test on channel 2.
15h Off G Off A Enable 8042.ve
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 Main Board 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 situation, going to checkpoint
4Eh next.
57h Off A G A Chipset hook after memory size.
53h Off R A A Display processor cache size.
54h Off A Off R Disable parity and NMI reporting.
60h Off R R Off Test 8237 DMA Controller: the DMA page register test passed.
Performing the DMA Controller 1 base register test next.
Table 18. POST LEDs Code Table (Port 80h Codes) (Continued)
POST
Code
Diagnostic LED Decoder
(G = green, R = red, A = amber)
Description