Floppy Disk Controller - AXIOMTEK SBC84820 Series User Manual

SBC84820 Pentium
3.8

Floppy Disk Controller

The SBC84820 Series provides a 26-pin FCC Z.I.F. type
connector, CN18 for support of a single floppy drives. The
floppy drive could be any one of the following types: 3.5"
720KB or 1.44MB/2.88MB.
CN18: FDD Connector Pin Assignment
Pin Description
1 +5V
INDEX#
2
3 +5V
DSKSELA #
4
5 +5V
DSKCHG#
6
7 No connector
No connector
8
9 No connector
10 MTR#
No connector
11
DIR#
12
13 DRVA#
Hardware Description
®
M All-in-One Capa Board User's Manual
Pin Description
14 STEP#
No connector
15
16 WDATA#
GND
17
18 WENABLE#
GND
19
20 TRACK0#
GND
21
22 WPROTECT#
23 GND
RDATA#
24
GND
25
26 HDSEL#
21