Floppy Connector; Table 2-18. Cptm-01 Floppy Connector (J9) - Motorola CompactPCI CPN5365 Installation And Use Manual

Installing the CPTM-01

Floppy Connector

2
Pin Signal Mnemonic
1 GND
2 DRVDENS0
3 -
4 -
5 GND
6 DRVDENS1
7 GND
8 INDEX-
9 GND
10 MTR0-
11 GND
12 DS1-
13 GND
14 DS0-
15 GND
16 MTR1-
17 GND
18 DIR-
19 GND
20 STEP-
21 GND
22 WDATA-
23 GND
24 WGATE-
25 GND
26 TR0-
27 GND
2-22

Table 2-18. CPTM-01 Floppy Connector (J9)

Signal Description
Drive Common
Disk density select communication
-
-
Drive Common
Disk density select communication
Drive Common
Indicates the beginning of a track
Drive Common
Motor enable outputs
Drive Common
Drive select 1
Drive Common
Drive select 0
Drive Common
Motor enable outputs
Drive Common
Controls the direction of the FDD head during seek operations
Drive Common
Supplies step pulses to move head during seek operations
Drive Common
Writes serial data to disk drive
Drive Common
Enables head of disk drive to write to disk
Drive Common
Indicates that head of FDD is at track 0
Drive Common
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