Acer EL1210 Service Guide - Page 67

POST Code Hex, POST Routine Description

Get Acer EL1210 - eMachines - 3 GB RAM PDF manuals and user guides View all Acer EL1210 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 67 highlights

POST Code (Hex) 51h 52h 53h 54h 55h 56h 57h 58h 59h 5Ah 5Bh 5Ch 5Dh 5Eh 5Fh 60h 61h 62h 63h 64h 65h 66h 67h 68h 69h 6Ah 6Bh 6Ch 6Dh 6Eh 6Fh 70h 71h 72h 73h 74h 75h POST Routine Description Reserved Test all memory (clear all extended memory to 0) Clear password according to H/W jumper (Optional) Reserved Display number of processors (multi-processor platform) Reserved 1 Display PnP logo 2 Early ISA PnP initialization  Assign CSN to every ISA PnP device Reserved Initialize the combined Trend Anti-Virus code Reserved (Optional Feature) Show message for entering AWDFLASH.EXE from FDD Reserved 1 Initialize Init_Onboard_Super_IO 2 Initialize Init_Onbaord_AUDIO Reserved Reserved Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility. Reserved Reserved Reset keyboard if Early_Reset_KB is not defined Reserved Initialize PS/2 Mouse Reserved Prepare memory size information for function call: INT 15h ax=E820h Reserved Turn on L2 cache Reserved Program chipset registers according to items described in Setup & Autoconfiguration table. Reserved 1 Assign resources to all ISA PnP devices. 2 Auto assign ports to onboard COM ports if the corresponding item in Setup is set to "AUTO". Reserved 1 Initialize floppy controller 2 Set up floppy related fields in 40:hardware Reserved Reserved Reserved Reserved Reserved Detect & install all IDE devices: HDD, LS120, ZIP, CDROM..... Chapter 4 59

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
Chapter 4
59
51h
Reserved
52h
Test all memory (clear all extended memory to 0)
53h
Clear password according to H/W jumper (Optional)
54h
Reserved
55h
Display number of processors (multi-processor platform)
56h
Reserved
57h
1
Display PnP logo
2
Early ISA PnP initialization
Assign CSN to every ISA PnP device
58h
Reserved
59h
Initialize the combined Trend Anti-Virus code
5Ah
Reserved
5Bh
(Optional Feature) Show message for entering AWDFLASH.EXE from FDD
5Ch
Reserved
5Dh
1
Initialize Init_Onboard_Super_IO
2
Initialize Init_Onbaord_AUDIO
5Eh
Reserved
5Fh
Reserved
60h
Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS
setup utility.
61h
Reserved
62h
Reserved
63h
Reset keyboard if Early_Reset_KB is not defined
64h
Reserved
65h
Initialize PS/2 Mouse
66h
Reserved
67h
Prepare memory size information for function call: INT 15h ax=E820h
68h
Reserved
69h
Turn on L2 cache
6Ah
Reserved
6Bh
Program chipset registers according to items described in Setup & Auto-
configuration table.
6Ch
Reserved
6Dh
1
Assign resources to all ISA PnP devices.
2
Auto assign ports to onboard COM ports if the corresponding item in Setup is set
to “AUTO”.
6Eh
Reserved
6Fh
1
Initialize floppy controller
2
Set up floppy related fields in 40:hardware
70h
Reserved
71h
Reserved
72h
Reserved
73h
Reserved
74h
Reserved
75h
Detect & install all IDE devices: HDD, LS120, ZIP, CDROM…..
POST Code (Hex)
POST Routine Description