Sun Microsystems FIRE V40Z - Manual (Page 210)

188 Sun Fire V20z and Sun Fire V40z Servers, Server Management Guide • May, 2004
13 Initialize PCI bus mastering devices
14 Initialize keyboard controller
16 BIOS ROM checksum
17 Initialize cache before memory autosize
18 8254 programmable interrupt timer initialization
1A 8237 DMA controller initialization
1C Reset programmable interrupt controller
20 Test DRAM refresh
22 Test 8742 keyboard controller
24 Set ES segment register to 4GB
26 Enable gate A20 line
28 Autosize DRAM
29 Initialize POST memory manager
2A Clear 512KB base RAM
2C RAM failure on address line xxxx
2E RAM failure on data bits xxxx of low byte of memory bus
2F Enable cache before system BIOS shadow
30 RAM failure on data bits xxxx of high byte of memory bus
32 Test CPU bus clock frequency
33 Initialize Phoenix Dispatch Manager
36 Warm start shut down
38 Shadow system BIOS ROM
3A Autosize cache
3C Advanced configuration of chipset registers
3D Load alternate registers with CMOS values
41 Initialize extended memory for RomPilot
42 Initialize interrupt vectors
45 POST device initialization
46 Check ROM copyright notice
47 Initialize I20 support
TABLE H-44 BIOS POST Codes
POST Code Description