AT&T PC 6300 - Page 597

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APPENDIX A: SWITCHES AND JUMPERS
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MOTHERBOARD (ROM 1.43) OR HIGHER
SWl SW2
SW3 SW4
SW5 SW6 SW7 SW8
FUNCTION
1 X
X
X X X
X X 48 TP! Floppylsi
(360 KBI
0
X X X
X . X X X
96 TP! Floppy!si
(720 KBi
X 1 X X
X X X X Slow start-up speed for
Floppy Drive
X 0 X
X X X
X X Fast start-up speed for
Floppy Drive
X
X 1
X X
X X X
Indigenous HDU ROM
X
X 0 X
X X X X External HDU ROM *
X X X
1
X X X X
Fast Scroll Rate-
X
X X 0 X
X X X
Slow Scroll Rate
X X X X 1 1 X X
EGA or Video
Controller Disabled
X X X X
0 1 X X
40 X 25 Color
X X X X
1 0 X X 80 X 25 Color
X
X X
X 0 0 X
X 80 X 25 Monochrome
X X X X
X X 1 1
1 Floppy Drive
X
X
X X X
X 0 1 2 Floppy Drives
X X X X
X X 1 0
3 Floppy Drives
(2 .Maximum 1
X X X X X
X 0 0 4 Floppy Drives
(2 Maximum)
* If external ROM is not present, HDU will not be recognized.
ON=CLOSED=l
OFF=OPEN=0
NO SETTING REQUIRED=X
Figure A-8. Switch Settings for DIPSW-1 (ROM 1.43)
A-lo
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