AT&T PC 6300 - Page 608

APPENDIX A: SWITCHES AND JUMPERS
Figures A-18, A-19, and A-20 show Jumper/Switch Settings for
WD and DTG Controllers with ROM BIOS 1.43 and later versions.
l-HDU CONFIGURATION
POS
DRIVE TYPE = (DRIVE #0)
SWITCH SETTING (NOTE)
1 2 3 4
5 6
7
8
0 28-MB CDC WREN I
0 0
1 1 0 0
1
1
1 20-MB Seagate ST-225, CMI-4426
0 0 0
1 0 0
1
1
2 20-MB Tandon TM-262
0 0
1
0
0 0
1
1
3-
10-MB Default
0
0 0 0
0 0
1 1
4 20-MB MiniScribe MS-3425, OPE
XM-5220
0 0
1 1
0 0 0 1
5 28-MB CDC WREN I
0 0 0
1 0 0
0 1
6 20-MB Seagate ST-225, CMI 4426
0 0
1 0 0 0
0 1
7
20-MB MiniScribe MS-3425, OPE
XM-5220
0 0 0 0 ■
0 0
0
I
8 21-MB CMI 6426
0 0
1 1 0 0
1 0
9 42-MB MiniScribe 6053
0 0
0 1 0 0
1 0
10 40-MB Tandon TM-755
0 0
1 0 0
0 1 0
11 40-MB CDC WREN II Slim
0 0
0 0 0 0
1 0
12 53-MB CDC WREN II
0 0
1 1 0 0
0 0
13 68-MB Micropolis 1325,
MiniScribe 6085, Seagate 4085
0 0 0 1
0 0
0
0
14 46-MB Seagate ST-251
0 0 1
0 0 0
0
0
13
Drive ^0 Only X X
X X
X X X X
Note; For WD Controllers, jumper positions are arranged 1234 8 765 on the board.
For DTC Controllers, switch positions are arranged 1 2 3 4 5 6 7 8 on the board.
See Hard Disk Installation in Chapter 3 for examples.
1 = JUMPER PRESENT (WD) = SWITCH CLOSED (DTC)
0 = JUMPER NOT PRESENT (WD) = SWITCH OPEN (DTC)
X = DOES NOT REQUIRE SETTING
Figure A-18. HDU Configuration Parameter Table for
ROM 1.43 and Higher (One HDU Only)
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i I
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! S
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A-26
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