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Confidential
Floppy Disk Drive Connector
One 3.5-inch floppy disk drive, which can read and write 1.44MB and 720KB format floppy
disks, can be installed as an optional device in the SR-600.
The connector is a MOLEX 52629-2651(MOLEX) or equivalent connector.
Table A1-9 Floppy disk drive connector pin assignments (Main board CN7)
No.
I/O
1
-
3
O
5
-
7
O
9
O
11
-
13
I
15
I
17
O
19
-
21
O
23
-
25
-
Appendix 1-10 Interfaces
25
26
A1-11 FDD Connector
Signal name
No.
GND
2
HDSEL#
4
GND
6
FMODE#
8
DS0#
10
+5V
12
INDEX#
14
TRK0#
16
WGATE#
18
NC
20
DIR#
22
NC
24
GND
26
1
2
I/O
Signal name
-
NC
I
RDATA#
O
WDATA#
-
NC
+5V
-
-
+5V
I
WP#
NC
-
-
GND
O
STEP#
O
MTRON#
I
DSKCHG#
NC
-
Rev.A
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