Specifications

Table 5–2 (Cont.) System Board Setup Options
SCU Setup Field Settings Comments
Video type Not installed
EGA/VGA
1
CGA 40 columns
CGA 80 columns
MDA
Allows you to specify the type
and mode of the video adapter
that has been installed.
Shadow off-board video
BIOS
Enabled Enables shadowing of off-board
video BIOS.
Disabled
1
Disables shadowing of off-board
video BIOS.
On-board video Enabled
1
Enables on-board video.
Disabled Disables on-board video.
800 x 600 mode refresh
rate
56 Hz
60 Hz
1
72 Hz
Selects refresh rate.
1024 x 768 mode refresh
rate
Interlaced at 44/88 Hz
Non-interlaced at 60 Hz
1
Non-interlaced at 70 Hz
Selects refresh rate.
Video font 9 x 16
1
8x16
9 x 16 is standard VGA font. 8 x
16 provides TUV-compliant font
character spacing.
On-board video
controller
Primary
1
Secondary
Selects on-board video controller.
On-board video BIOS
mapping
To E0000h
1
Selects video BIOS mapping.
To E0000h and C0000h Maps video BIOS into the
C0000h to C7FFFh space.
Required by some graphics
software. Does not free up the
E0000h space.
Keyboard control Enabled
1
Requires you to enter a
keystroke during the boot
process.
Disabled Allows the system to boot
without a keyboard.
1
Default.
(continued on next page)
5–14 System Configuration