HP Model 712/100 hp 9000 series 700 model 712 technical reference manual (a261 - Page 34

Table 2-16. Flexible Disk Connector Pinouts

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Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Table 2-16. Flexible Disk Connector Pinouts Signal Ground LDI NC MID NC NC Ground IDX Ground DS0 Ground DS1 Pin No. 13 14 15 16 17 18 19 20 21 22 23 24 Signal Ground NC Ground MON Ground DRTN Ground STP Ground WTD Ground WTG Pin No. 25 26 27 28 29 30 31 32 33 34 Signal Ground TK00 Ground WPT Ground RDD Ground SLL Ground DCH Note: If a standard untwisted PC floppy cable is used the system will select the drive as unit 1, The system will select the drive as unit 0 if a twisted PC cable is used (to make a twisted cable reverse pins10 through 16, 10->16, 11->15 etc.). 2-14 System Board Model 712 Technical Reference

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2-14
System Board
Model 712 Technical Reference
Table 2-16. Flexible Disk Connector Pinouts
Pin No.
Signal
Pin No.
Signal
Pin No.
Signal
1
2
3
4
5
6
7
8
9
10
11
12
Ground
LDI
NC
MID
NC
NC
Ground
IDX
Ground
DS0
Ground
DS1
13
14
15
16
17
18
19
20
21
22
23
24
Ground
NC
Ground
MON
Ground
DRTN
Ground
STP
Ground
WTD
Ground
WTG
25
26
27
28
29
30
31
32
33
34
Ground
TK00
Ground
WPT
Ground
RDD
Ground
SLL
Ground
DCH
Note: If a standard untwisted PC floppy cable is used the system will select the drive
as unit 1, The system will select the drive as unit 0 if a twisted PC cable is used
(to make a twisted cable reverse pins10 through 16, 10->16, 11->15 etc.).