Teknor Industrial Computers PCI-993, Technical Reference Manual

Page: 40 / 204

Connector Locations & Pin-Out 4-8
TABLE 4-4: Floppy Disk Connector (J4) - Pin-Out
Pin
Number Signal
Flow Signal Pin
Number Signal
Flow Signal
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33 -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- GND
GND
GND
GND
GND
GND
GND
GND
N. C.
1
GND
GND
GND
GND
N. C.
1
N. C.
1
GND
N. C.
1
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34 O
-
-
I
O
O
O
O
O
O
O
O
I
I
I
O
I RPM/LC
Not Used
Not Used
INDEX*
MOTOR ON 0,1*
DRIVE SELECT B
DRIVE SELECT A
MOTOR ON 2*
DIR CONTROL
STEP*
WRITE DATA*
WRITE ENABLE*
TRACK0*
WRITE PROTECT*
READ DATA*
HEAD SELECT
DSKCHG
* Active low signal
1
By default, these pins are not connected, however, by installing the W24 and W25
jumpers, these configurations are possible (see also page 9-10 in the manual):
1) 17 - GND Or:2) 17 I EDOUT (2.88MB)
27 - GND 27 I HDOUT (2.88MB)
29 I EDOUT (2.88MB) 29 - GND
33 I HDOUT (2.88MB) 33 - GND