Cable Interfaces; The Hard Disk Cable 44Pin - DIGITAL-LOGIC Microspace MSB900L User Manual

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10. C I
ABLE NTERFACES

10.1. The Hard Disk Cable 44pin

IDT Terminal for Dual Row (2.00mm grid) and 1.00mm flat cable; 44pins = 40pins signal and 4pins power.
Max. length for the IDE cable is 30cm.
Attention!
Check the pin 1 marker of the cable and the connector before you power-on. Refer to the tech-
nical manual of the installed drives because a wrong cable will immediately destroy the drive
and/or the MICROSPACE MSB900/L board. In this case the warranty is void! Without the tech-
nical manual you may not connect this type of drive.
The 44pin IDE connector on the drives is normally composed of the 44 pins, 2 open pins and 4
test pins, 50 pins in total. Leave the 4 test pins unconnected.
c d
a b
Testpin
open pin
1 2
39 40
43 44
1 3
44pin IDE Interface with integrated power lines
MSB900/L Detailed Technical Manual V1.0
1 2
39 40
43 44
55
43