Hard Disk Drive Backplane Connectors - IBM 7383 Installation And Service Manual

Figure 13. LEDs on microprocessor 2 expansion board

Hard disk drive backplane connectors

The following illustrations show the connectors on the 2.5-inch and 3.5-inch hard
disk drive backplanes and the backplate assembly.
Figure 14. Connectors on the 3.5-inch hard disk drive backplane
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System x3500 M4 Type 7383: Installation and Service Guide