Acer Aspire SA85 Service Manual page 34

Parameter
Drive A
Drive B
Floppy 3 Mode Support
Video
Halt On
Base Memory
Extended Memory
Total Memory
28
Description
Allows you to configure your floppy drive A.
Allows you to configure your floppy drive B.
Floppy 3 mode refers to a 3.5-inch diskette with
a capacity of 1.2 MB. Floppy 3 mode is
sometimes used in Japan.
This item specifies the type of video card in use.
The default setting is VGA/EGA. Since current
PCs use VGA only, this function is almost
useless and may be disregarded in the future.
This parameter enables you to control the
system stops in case of Power On Self Test
errors (POST).
Refers to the option of memory that is available
to standard DOS programs. DOS systems have
an address space od 1MB, but the top 384KB
(called high memory) is reserved for system use.
This leaves 640 KB of conventional memory.
Everything above 1MB is either extended or
extended memory.
Memory above and beyond the standard 1MB of
base memory that DOS supports. Extended
memory is only available in PCs with an Intel
80286 or later microprocessor. Extended
memory is not configured in any special manner
and is therefore unavailable to most DOS
programs. However, MS Windows and OS/2 can
use extended memory.
Total based and extended memory, and I/O ROM
384KB available to the system.
Options
None
360 KB, 5.25-inch
1.2 MB, 5.25-inch
720 KB, 3.5-inch
1.44M, 3.5 - inch
2.88 MB, 3.5-inch
None
360 KB, 5.25-inch
1.2 MB, 5.25-inch
720 KB, 3.5-inch
1.44M, 3.5 - inch
2.88 MB, 3.5-inch
Disabled
VGA/EGA
CGA40
CGA80
Mono
All Errors
No Errors
All, but Keyboard
All, but Diskette
All, by Disk/Key
The BIOS POST will determine
the amount of base (or
conventional) memory installed
in the sytem.
The BIOS determines how much
extended memory is present
during the POST.
total memory of the system.
Chapter 2