American Megatrends Apollo IV User Manual page 38

Step 8 Attach Floppy Drive,
Floppy Connector Pinout
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
Twist in Floppy Cable
Floppy B to A
10 to 16
11 to 15
34 Apollo IV PCI Pentium ISA Motherboard User's Guide
Continued
Use Pin
GND 2 DENSE1
GND 4
GND 6 DRATE0
GND 8
GND 10 -MOTOR0
GND 12 -FDSEL1
GND 14 -FDSEL0
GND 16 -MOTOR1
GND 18
GND 20
GND 22 -WDATA
GND 24 -WGATE
GND 26
GND 28 -WRPROT
GND 30 -RDATA
GND 32
GND 34 DSKCHNG
Floppy B to A Floppy B to A
12 to 14 14 to 12
13 to 13 15 to 11
Use
N/C
-INDEX
DIR
-
-TRK0
HDSEL
Floppy B to A
16 to 10