User's Manual
B-2
S
UPERSERVER 6015B-UR/6015B-U/6015B-NTR/6015B-NT User's Manual
POST Code  Description
18h    8254 timer initialization
1Ah   8237 DMA controller initialization
1Ch  Reset Programmable Interrupt Controller
20h    1-3-1-1 Test DRAM refresh
22h    1-3-1-3 Test 8742 Keyboard Controller
24h    Set ES segment register to 4 GB
28h    Auto size DRAM
29h    Initialize POST Memory Manager
2Ah   Clear 512 kB base RAM
2Ch  1-3-4-1 RAM failure on address line xxxx*
2Eh    1-3-4-3 RAM failure on data bits xxxx* of low byte of
  memory bus
2Fh    Enable cache before system BIOS shadow
32h    Test CPU bus-clock frequency
33h    Initialize Phoenix Dispatch Manager
36h    Warm start shut down
38h    Shadow system BIOS ROM
3Ah   Auto size cache
3Ch  Advanced confi guration of chipset registers
3Dh  Load alternate registers with CMOS values
41h    Initialize extended memory for RomPilot (optional)
42h    Initialize interrupt vectors
45h    POST device initialization
46h    2-1-2-3 Check ROM copyright notice
48h    Check video confi guration against CMOS
49h    Initialize PCI bus and devices
4Ah   Initialize all video adapters in system
4Bh   QuietBoot start (optional)
4Ch  Shadow video BIOS ROM
4Eh   Display BIOS copyright notice
4Fh    Initialize MultiBoot
50h    Display CPU type and speed
51h    Initialize EISA board (optional)
52h    Test keyboard
54h    Set key click if enabled
55h    Enable USB devices
58h    2-2-3-1 Test for unexpected interrupts
59h    Initialize POST display service
5Ah   Display prompt “Press <ESC> to enter SETUP”
5Bh   Disable CPU cache










