PCI/ISA System Board
Connector CN4
Floppy Disk Drive Connector
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Function
Ground
DENSEL
Ground
Reserved
Ground
Drate0
Ground
Index
Ground
MTR0
Ground
DR1
Ground
DR0
Ground
MTR1
Drate1
Dir
Ground
Step
Ground
Write Data
Ground
Write Gate
Ground
F-6
u
Appendix F