Trident TVGA 9000I, Руководство пользователя

Страница: 11 / 64

V
for the 800 x 600-16
color.
Reference Table 2 (page 3-4) and Table 5
(AppendixA-4)
for
more
detail
on scan rates. Figure 2 illustratesthe two
settings for Jumper J 2.
Figure 2.
12
Settings for Selecting Scan Rate
J2:High
Scan
Rate
J2: Default
Scan Rate
[Pins
1
and 2 open)
(Pins
1
and 2 connected)
NOTE: Be sure
to
check your multiscanmng monitor’s specifications
beforeselecting the scan rate.
Selecting
a
scanrate higherthanthe monitor
can handle may damage the monitor.
IMPORTANT: 60Hz and 70Hz refresh rates
are
available
for 1024 x
768, 16 colors,
noninterlaced.The defaultvalue is
60Hz.To achieve70Hz
refresh rate (requiresmonitorwith
a
scan rate of 56.4 Khz or
higher), use
the TVGACRTC program located
on
driver/utility
diskette#1.
2-2.2 Enable/DisableAutodetect: J3
J
3
allows
you
to enable/disable the BIOS Autodetect feature. The
Autodetectfeaturecontrolsthe BIOS interface(8 or
16bit).
When enabled
(default)
the
BIOS will sense whether the VGA Adapter
is
in
an
8bit or
16bit slot, and
will configure the BIOS interface accordingly. When
disabled,the board will boot up
in its
default 8bit BIOS interfacesetting.
2-3