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Technical Reference Guide
5.3.2 DISKETTE DRIVE CONNECTOR
This system uses a standard 34-pin connector (refer to Figure 5-2 and Table 5-6 for the pinout) for
diskette drives. Drive power is supplied through a separate connector.
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
2
1
Figure 5-2. 34-Pin Diskette Drive Connector.
Table 5–6. 34-Pin Diskette Drive Connector Pinout
Table 5-6.
34-Pin Diskette Drive Connector Pinout
Pin
Signal
Description Pin Signal Description
1 GND Ground 18 DIR- Drive head direction control
2 LOW DEN- Low density select 19 GND Ground
3 --- (KEY) 20 STEP- Drive head track step
control
4 MEDIA ID- Media identification 21 GND Ground
5 GND Ground 22 WR DATA- Write data
6 DRV 4
SEL-
Drive 4 select 23 GND Ground
7 GND Ground 24 WR ENABLE- Enable for WR DATA-
8 INDEX- Media index is detected 25 GND Ground
9 GND Ground 26 TRK 00- Heads at track 00 indicator
10 MTR 1 ON- Activates drive motor 27 GND Ground
11 GND Ground 28 WR PRTK- Media write protect status
12 DRV 2
SEL-
Drive 2 select 29 GND Ground
13 GND Ground 30 RD DATA- Data and clock read off disk
14 DRV 1
SEL-
Drive 1 select 31 GND Ground
15 GND Ground 32 SIDE SEL- Head select (side 0 or 1)
16 MTR 2 ON- Activates drive motor 33 GND Ground
17 GND Ground 34 DSK CHG- Drive door opened indicator
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
5-7