System Board
Section 2
BIOS Setup
Extended
Memory
Base and
Extended
Memory
Primary
The available options are: EGA/VGA, CGA40,
Display
CGA80 and MONO.
Diskette Drive
1 and 2
Diskette drive
refers to the “A:” floppy drive, “2”
refers to the “B:” drive (if any). There are six op-
tions available. They are: None (for diskless appli-
cations) 360 Kb, 1.2 Mb for 5
floppy drives, 720
Kb, 1.44 and 2.88 Mb for 3
floppy drives.
Hard Drive 1
and 2
for some peripheral adapters to run in lower mem-
ory. You may subtract 64, 128 and
of
RAM from the base memory allocation. When this
option is used, ensure the base memory field is set
to reflect the “subtracted” amount of memory or
errors may result.
Note:
This option removes
memory from
DOS applications.
It should be used only when
required by a perhiperal adapter.
Important:
When running the
configuration
utility,
make sure this option is enabled and cor-
rectly specified in the “View
field.
This is the remaining memory available in the sys-
tem. The value in this field is automatically set by
the system based upon the jumper settings for
memory. The amount shown should be the total
amount of
installed minus 128K for systems
with less than
and 384K with systems of 8MB
or greater. This
of memory is done
regardless of cache snadow settings.
These two fields are automatically set by the BIOS.
Confirm the numbers displayed match the actual
amount of memory.
Note:
384K of memory will
always be deallocated from Extended Memory. Use
description from 486-EISA Manual--Base, Re-
served and Extended.
Note:
Some disk controllers, ESDI and SCSI in
particular, are commonly referred to as “smart” con-
trollers because they use the drive type
setting
2 - 6
Version DO1
Copyright 1993
