Floppy Disk Drive Connector - AXIOMTEK SBC81870 Series User Manual

2.21

Floppy Disk Drive Connector

FDD1: Floppy Disk Drive Connector
You can use a 34-pin daisy-chain cable to connect two-FDDs.
On one end of this cable is a 34-pin flat cable to attach the
FDD on the board, and the other side is attaches two FDDs.
The pin assignments are as follows:
33
34
PIN ASSIGNMENT
1 GND
3 GND
5 NC
7 GND
9 GND
11 GND
13 GND
15 GND
17 GND
19 GND
21 GND
23 GND
25 GND
27 GND
29 GND
31 GND
33 GND
26
® ®
SBC81870 Intel Pentium
FDD1
1
2
ASSIGNMENT
PIN
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Hardware Configuration
M w/ DDR/VGA/Dual LAN
RWC#
NC
DS1#
INDEX
MOA#
DSB#
DSA#
MOB#
DIR#
STEP#
WD#
WE#
TRK0#
WP#
RDATA#
HEAD#
DSKCHG