Acer Altos R510 Service Manual page 128

2A G
2C G
2E G
31 OFF
33 OFF
37 OFF
38 G
39 G
3A G
3B G
3C G
40 OFF
50 OFF
52 OFF
60 OFF
75 OFF
78 G
7A G
7C G
84 R
85 R
87 R
8C A
8D A
8E A
90 R
A0 R
121
OFF A OFF
G R OFF
G A OFF
OFF R A
OFF A A
G A A
OFF R R
OFF R A
OFF A R
OFF R A
G R R
R OFF OFF
R OFF R
R G R
R R OFF
A R A
R R R
R A R
A R R
G OFF OFF
G OFF G
G G G
G OFF OFF
G OFF G
G G OFF
OFF OFF R
OFF R OFF
Initializes different devices through DIM.
See DIM Code Checkpoints section of document for more
information.
Initializes different devices. Detects and initializes the video
adapter installed in the system that have optional ROMs.
Initializes all the output devices.
Allocate memory for ADM module and uncompress it. Give control
to ADM module for initialization. Initialize language and font
modules for ADM. Activate ADM module.
Initializes the silent boot module. Set the window for displaying text
information.
Displaying sign-on message, CPU information, setup key
message, and any OEM specific information.
Initializes different devices through DIM. See DIM Code
Checkpoints section of document for more information.
Initializes DMAC-1 and DMAC-2.
Initialize RTC date/time.
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.
Mid POST initialization of chipset registers.
Detect different devices (Parallel ports, serial ports, and
coprocessor in CPU, ... etc.) successfully installed in the system
and update the BDA, EBDA...etc.
Programming the memory hole or any kind of implementation that
needs an adjustment in system RAM size if needed.
Updates CMOS memory size from memory found in memory test.
Allocates memory for Extended BIOS Data Area from base
memory.
Initializes NUM-LOCK status and programs the KBD typematic
rate.
Initialize Int-13 and prepare for IPL detection.
Initializes IPL devices controlled by BIOS and option ROMs.
Initializes remaining option ROMs.
Generate and write contents of ESCD in NVRam.
Log errors encountered during POST.
Display errors to the user and gets the user response for error.
Execute BIOS setup if needed / requested.
Late POST initialization of chipset registers.
Build ACPI tables (if ACPI is supported)
Program the peripheral parameters. Enable/Disable NMI as
selected
Late POST initialization of system management interrupt.
Check boot password if installed.
Chapter 4