Trident TVGA 9000I, Руководство пользователя

Страница: 10 / 64

2-1
Hardware Configuration
Figure 1
is
a diagram
of
the VGA graphics adapter. Board features are
listed.
Video BIOS
.
Figure 1.
The TVGA
90001
Graphics Adapter
2-2 Jumper
Settings
You
can
adaptthe VGA adapter
for
specialhardware configurationsusing
the
given jumpers on
the
card.
2-2.1
Select Scan
Rate:
Jumper J2
J
2 allows
you
to configure the scan rates of extended VGA modes to be
compatiblewith your multiscanningmonitor.
J2
is operationalfor the 4
DRAM (512K)
configuration only. Ifyour monitorcan scan at 48.7KHz
or higher, remove the Jumper pin across
J2. 12 in
the open position will
allow noninterlaceddisplay
for 1024
x 768-16, and higher horizontal and
vertical scan rates for 800
x
600-16.
If
your monitor cannot scan at
48.7KHz,leaveJumper J2 in
the defaultposition.Thiswillgive interlaced
display
for 10Mx768-16 and reduced horizontal and vertical scan rates
2-2