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2.4 Installing I/O Equipment
2.4.1 Installing one external IDE (3.5" HDD/CD-ROM)
device and an external FDD
Three connectors are located on the rear panel above the PPC-A84/
A120's I/O output connectors. The 40-pin connector is for an external
slave IDE devices (3.5 hard drive or CD-ROM). A 34-pin FDD connec-
tor is for an external FDD. Any combination of 5 1/4" (360 KB and 1.2
MB) and/or 3 1/2" (720 KB, 1.44 MB, and 2.88 MB) drives can be
attached. The 4-pin connector provides +5 Vdc and +12 Vdc to both
IDE device and FDD.
The following are instructions for installation:
1. Adjust the jumper setting of your IDE device to be a slave IDE
device.
2. Unscrew the two attachment screws and detach the metal cover.
3. Connect the single end of the appropriate 40-pin cable to the PPC-
A84/A120 and connect the remaining end to your IDE device.
4. Connect one end of a 34-pin daisy-chain drive connector cable to
the PPC-A84/A120 and connect the remaining end to your FDD.
5. Connect the 4-pin Y-power cable to PPC-A84/A120 , and the
remaining two ends to your IDE device and FDD.
Note:
The 40-pin connector is a Primary Slave channel.
The jumper setting of the IDE device should be
adjusted to be a slave.
Chapter 2
System Setup
2 7
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