Hardware Hacking

2.5-Inch Drive SCSI Connector (40-Pin Header)

Pins 1, 2, 39, and 40 are +5V. Pins 3, 4, 37, and 38 are ground returns for the +5V supply. Pins 5, 7, 9, 11, 13, 15, 19, 21, 23, 27, 31, and 35 are signal grounds. Pin 17 is used as a connector key and should not be present.

Pin 6: *Data 0
Pin 8: *Data 1
Pin 10: *Data 2
Pin 12: *Data 3
Pin 14: *Data 4
Pin 16: *Data 5
Pin 18: *Data 6
Pin 20: *Data 7
Pin 22: *Parity
Pin 24: Terminator Power
Pin 25: *ATN
Pin 26: *BSY
Pin 28: *ACK
Pin 29: *RST
Pin 30: *MSG
Pin 32: *SEL
Pin 33: *I/O
Pin 34: *C/D
Pin 36: *REQ

This entry was posted on Wednesday, March 23rd, 2005 at 1:36 pm and is filed under Cable Pin Outs, Computers, Connectors. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.