76
Chapter 4
Phoenix BIOS Beep Codes
Code
Beeps
POST Routine Description
02h
Verify Real Mode
03h
Disable Non-Maskable Interrupt (NMI)
04h
Get CPU type
06h
Initialize system hardware
08h
Initialize chipset with initial POST values
09h
Set IN POST flag
0Ah
Initialize CPU registers
0Bh
Enable CPU cache
0Ch
Initialize caches to initial POST values
0Eh
Initialize I/O component
0Fh
Initialize the local bus IDE
10h
Initialize Power Management
11h
Load alternate registers with initial POST
values
12h
Restore CPU control word during warm boot
13h
Initialize PCI Bus Mastering devices
14h
Initialize keyboard controller
16h
1-2-2-3
BIOS ROM checksum
17h
Initialize cache before memory autosize
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
26h
Enable A20 line
28h
Autosize DRAM
29h
Initialize POST Memory Manager
2Ah
Clear 215 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
30h
1-4-1-1
RAM failure on data bits xxxx of high byte of
memory bus
32h
Test CPU bus-clock frequency
33h
Initialize Phoenix Dispatch Manager
36h
Warm start shut down
38h
Shadow system BIOS ROM
3Ah
Autosize cache
3Ch
Advanced configuration of chipset registers
3Dh
Load alternate registers with CMOS values
42h
Initialize interrupt vectors
45h
POST device initialization
46h
2-1-2-3
Check ROM copyright notice
Summary of Contents for Travelmate 2300 Series
Page 6: ...VI ...
Page 15: ...8 Chapter 1 9 Power button Turns the computer on and off ...
Page 43: ...36 Chapter 1 ...
Page 67: ...60 Chapter 3 ...
Page 71: ...64 Chapter 3 ...
Page 75: ...68 Chapter 3 ...
Page 101: ...94 Chapter 5 5 Lid Switch SW2 11 Touchpad Board Connector CN8 6 Modem Cable Connector CN4 ...
Page 105: ...98 Chapter 6 Exploded Diagram ...
Page 121: ...114 Chapter 6 ...
Page 122: ...Chapter 6 115 ...
Page 131: ...126 Appendix C ...