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INSTALLATIONS
20
IB800 User’s Manual
FAN3: Auxiliary Fan Power Connector
FAN3 is a 3-pin header for a 12V fan.
Pin #
Signal Name
1
Ground
2
+12V
3
Rotation detection
J4: Floppy Drive Connector
J4 is a 34-pin header and will support up to 2.88MB floppy drives.
Signal Name
Pin #
Pin #
Signal Name
Ground
1
2
RM/LC
Ground
3
4
No connect
Ground
5
6
No connect
Ground
7
8
Index
Ground
9
10
Motor enable 0
Ground
11
12
Drive select 1
Ground
13
14
Drive select 0
Ground
15
16
Motor enable 1
Ground
17
18
Direction
Ground
19
20
Step
Ground
21
22
Write data
Ground
23
24
Write gate
Ground
25
26
Track 00
Ground
27
28
Write protect
Ground
29
30
Read data
Ground
31
32
Side 1 select
J4
Ground
33
34
Diskette change
Summary of Contents for IB800
Page 1: ...IB800 Full Size Socket 478 Pentium 4 Intel 845 CPU Card USER S MANUAL Version 1 0B...
Page 4: ...iv IB800 User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 IB800 User s Manual Board Dimensions...
Page 76: ...APPENDIX 72 IB800 User s Manual This page is intentionally left blank...