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66
Checkpoint
Description
39
Initializes DMAC-1 & DMAC-2.
3A
Initialize RTC date/time.
3B
Test for total memory installed in the system. Also, Check for DEL or ESC
keys to limit memory test. Display total memory in the system.
3C
Mid POST initialization of chipset registers.
40
Detect different devices (Parallel ports, serial ports, and coprocessor in CPU,
…
etc.) successfully installed in the system and update the BDA, EBDA
…
etc.
52
Updates CMOS memory size from memory found in memory test. Allocates
memory for Extended BIOS Data Area from base memory. Programming the
memory hole or any kind of implementation that needs an adjustment in system
RAM size if needed.
60
Initializes NUM-LOCK status and programs the KBD typematic rate.
75
Initialize Int-13 and prepare for IPL detection.
78
Initializes IPL devices controlled by BIOS and option ROMs.
7C
Generate and write contents of ESCD in NVRam.
84
Log errors encountered during POST.
85
Display errors to the user and gets the user response for error.
87
Execute BIOS setup if needed / requested. Check boot password if
installed.
8C
Late POST initialization of chipset registers.
8D
Build ACPI tables (if ACPI is supported)
8E
Program the peripheral parameters. Enable/Disable NMI as selected
90
Initialize system management interrupt by invoking all handlers.
Please note this checkpoint comes right after checkpoint 20h
A1
Clean-up work needed before booting to OS.
Содержание imedia S3811
Страница 1: ...I imedia S3811 Service Guide PRINTED IN TAIWAN ...
Страница 11: ...5 Block Diagram ...
Страница 44: ...38 4 2 Rotate the front bezel 5 Insert the ODD devices 5 1 Pushing HDD devices into bracket 5 2 Fix two screws ...
Страница 49: ...43 8 2 Pushing system fan 8 3 Fix two screw 8 4 Pulling in system fan power cable to MB ...
Страница 52: ...46 12 Insert VGA card 12 1 Rotate the bracket 12 2 Remove PCI slot 12 3 Install VGA card on motherboard ...
Страница 55: ...49 14 Overview ...
Страница 59: ...53 4 2 Rotate the bracket 4 3 Remove four screws 4 4 Remove the HDD Front Back ...
Страница 61: ...55 7 Removing system Fan 7 1 Pulling out the system Fan cable 7 2 Remove two screws 7 3 Remove system Fan ...
Страница 67: ...61 12 3 Pushing the Cable 12 4 Removing power switch HDD LED _holder 12 5 Pulling out HDD LED cable Front Back ...
Страница 96: ...90 ...
Страница 98: ...92 ...
Страница 99: ...93 FRU List The FRU list will be updated later ...