AT&T PC 6300 - Page 600

APPENDIX A: SWITCHES AND JUMPERS
The jumpers W1 and W2 define the port address of the DTC
Controller (Figure A-10).
W1
W2
ADDRESS
1
1
320 (default value)
1
0
324
0
1
328
0
0
32C
0 = jumper cap not present
1 = jumper cap present
Figure A-10. Hard Disk Controller DTC Jumpers W1 and
W2 Settings
Jumper W17 defines the starting address of the Hard Disk
Controller PROM. If the jumper cap is present, the starting
address is C800:0000 which is the default address. If the jumper
cap is removed, the PROM is relocated at D800:0000.
A-18
n
1 1
n
0
0
n
n
n
n
n
n
n
n
0
1 I
n
n
n