B.2 floppy connector, B.3 parallel port connector – CyberResearch CPEX P4-24-X User Manual
Page 68
CPEX Series
CyberResearch
®
CPU Cards
56
©Copyright 2005 CyberResearch, Inc.
B.2 Floppy Connector
FDD: Floppy Connector
PIN DESCRIPTION PIN
DESCRIPTION
1 GND 2 RWC0-
3 GND 4
NC
5 GND 6 RWC1-
7 GND 8 INDEX-
9 GND 10 MO-A
11 GND 12
DS-B
13 GND 14
DS-A
15 GND 16
MO-B
17 GND 18
DIR-
19 GND 20
STEP-
21 GND 22
WD-
23 GND 24 WGATE-
25 GND 26
TRK0-
27 GND 28
WP-
29 GND 30 RDATA-
31 GND 32
HEAD-
33 GND 34 DSKCHG-
B.3 Parallel Port Connector
LPT: Parallel Port Connector
PIN DESCRIPTION PIN
DESCRIPTION
1
STROBE#
14
AUTO FORM FEED #
2 DATA0 15 ERROR#
3 DATA1 16 INITIALIZE
4
DATA2
17 PRINTER SELECT LN#
5 DATA3 18
GND
6 DATA4 19
GND
7 DATA5 20
GND
8 DATA6 21
GND
9 DATA7 22
GND
10 ACKNOWLEDGE 23
GND
11 BUSY 24
GND
12 PAPER
EMPTY 25
GND
13 PRINTER
SELECT 26
NC