Compaq dc7800 Technical Reference Guide: HP Compaq dc7800 Series Business Desk - Page 59
Table 5-3., Pin Diskette Drive Connector Pinout
View all Compaq dc7800 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 59 highlights
Input/Output Interfaces The SFF and CMT form factors use a standard 34-pin connector for diskette drives (refer to Figure 5-3 and Table 5-3 for the pinout). Drive power is supplied through a separate connector. 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 1 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 Figure 5-3. 34-Pin Diskette Drive Connector (P10 on system board). 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 Table 5-3. 34-Pin Diskette Drive Connector Pinout Description Pin Signal Description Ground 18 DIR- Drive head direction control Low density select 19 GND Ground (KEY) 20 STEP- Drive head track step cntrl. Media identification 21 GND Ground Ground 22 WR DATA- Write data Drive 4 select 23 GND Ground Ground 24 WR ENABLE- Enable for WR DATA- Media index is detected 25 GND Ground Ground 26 TRK 00- Heads at track 00 indicator Activates drive motor 27 GND Ground Ground 28 WR PRTK- Media write protect status Drive 2 select 29 GND Ground Ground 30 RD DATA- Data and clock read off disk Drive 1 select 31 GND Ground Ground 32 SIDE SEL- Head select (side 0 or 1) Activates drive motor 33 GND Ground Ground 34 DSK CHG- Drive door opened indicator Technical Reference Guide www.hp.com 5-5