Chapter 4
163
POST Codes Tables
These tables describe the POST codes and descriptions during the POST.
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 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
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
Содержание 4535 5133 - Aspire - Athlon X2 2.1 GHz
Страница 6: ...VI ...
Страница 44: ...Chapter 2 35 A progress screen displays ...
Страница 49: ...40 Chapter 2 2 In DOS mode run the MAC BAT file to write MAC values to eeprom ...
Страница 56: ...Chapter 3 47 5 Remove the HDD Cover as shown ...
Страница 70: ...Chapter 3 61 5 Disconnect the speaker cable as shown and remove the Speaker from the Upper Cover ...
Страница 98: ...Chapter 3 89 4 Lift the bezel away from the panel ...
Страница 101: ...92 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Страница 114: ...Chapter 3 105 3 Connect fan cable to the mainboard as shown Step Size Quantity Screw Type Thermal Module M 2 5 3 2 4 ...
Страница 125: ...116 Chapter 3 4 Replace the single securing screw ...
Страница 147: ...138 Chapter 3 ...
Страница 194: ...Chapter 6 185 ...
Страница 219: ...Appendix A 210 ...
Страница 249: ...240 Appendix B ...
Страница 251: ...242 Appendix C ...