Diskette Drive Connector - HP Compaq D315 Technical Reference Manual

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