Table of Contents
Advertisement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phoenix BIOS Test Point Beep Codes
Code
Beeps
10h
11h
12h
13h
14h
16h
1-2-2-3
17h
18h
1Ah
1Ch
20h
1-3-1-1
22h
1-3-1-3
24h
26h
28h
29h
2Ah
2Ch
1-3-4-1
2Eh
1-3-4-3
2Fh
30h
1-4-1-1
32h
33h
36h
38h
3Ah
3Ch
3Dh
42h
45h
3-10
Troubleshooting
(continued)
POST Routine Description
Initialize Power Management.
Load alternate registers with initial POST values.
Restore CPU control word during warm boot.
Initialize PCI Bus Mastering devices.
Initialize keyboard controller.
BIOS ROM checksum.
Initialize cache before memory autosize.
8254 timer initialization.
8237 DMA controller initialization.
Reset Programmable Interrupt Controller.
Test DRAM refresh.
Test 8742 Keyboard Controller.
Set ES segment register to 4 GB
Enable A20 line.
Autosize DRAM.
Initialize POST Memory Manager.
Clear 512KB base RAM.
RAM failure on address line XXXX* .
RAM failure on data bits XXXX* of low byte of memory bus.
Enable cache before system BIOS shadow.
RAM failure on data bits XXXX* of high byte of memory bus.
Test CPU bus-clock frequency.
Initialize Phoenix Dispatch Manager.
Warm start shut down.
Shadow system BIOS ROM.
Autosize cache.
Advanced configuration of chipset registers.
Load alternate registers with CMOS values.
Initialize interrupt vectors.
POST device initialization.
continued
Advertisement
Table of Contents
