IBM DTCA-24090 Hard Drive Specifications - Page 43

Electrical Interface Specifications

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6.0 Electrical Interface Specifications 6.1 Cabling The maximum cable length from the host system to the drive plus circuit pattern length in the host system shall not exceed 18 inches. 6.2 Interface Connector The signal connector for AT Attachment is designed to mate with Dupont part number 69764-044 or equivalent. Figure 20 and Figure 18 show the connector location and physical pin location. Figure 20. AT Attachment connector of DTCA-23240/24090 Note 1 : Note 2 : Pin position 20 is left blank for correct connector insertion. Pin position 47 through 50 are used for drive address setting. (Refer to Figure 35 on page 52 for address setting.) © Copyright IBM Corp. 1997 35

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6.0
Electrical Interface Specifications
6.1
Cabling
The maximum cable length from the host system to the drive plus circuit pattern length in the host system
shall not exceed 18 inches.
6.2
Interface Connector
The signal connector for AT Attachment is designed to mate with Dupont part number 69764-044 or equiv-
alent.
Figure 20 and Figure 18 show the connector location and physical pin location.
Figure 20. AT Attachment connector of DTCA-23240/24090
Note 1 :
Pin position 20 is left blank for correct connector insertion.
Note 2 :
Pin position 47 through 50 are used for drive address setting.
(Refer to Figure 35 on page 52
for address setting.)
Copyright IBM Corp. 1997
35