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Figure 3-5 Hard disk connector and location
Signal Assignments
Table 3-6 (page 35) shows the signal assignments on the 44-pin portion of the hard disk connector. A slash
(/) at the beginning of a signal name indicates an active-low signal.
Table 3-6 Pin assignments on the ATA hard disk connector
Signal namePin numberSignal namePin number
GROUND2/RESET1
DD84DD73
DD96DD65
DD108DD57
DD1110DD49
DD1212DD311
DD1314DD213
DD1416DD115
DD1518DD017
KEY20GROUND19
GROUND22DMARQ21
GROUND24/DIOW, /STOP23
GROUND26/DIOR, /HDMARDY, HSTROBE25
Hard Disk Drive 35
Legacy Document | 2003-03-01 | © 2003 Apple Computer, Inc. All Rights Reserved.
CHAPTER 3
Devices and Ports