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Option Installation
Connecting a USB Device
Connect a USB device to the system as follows.
1.
Connect one end of the USB cable to the USB port on the rear of the computer.
Connect the other end to the USB device.
2.
With a hub and the proper cabling, up to 127 USB devices can be daisy-chained
to the USB port and addressed by the system. See the documentation that comes
with the device to connect additional USB devices.
Connecting an Optional External Wide SCSI Device
Connect an external wide SCSI device to SCSI-configured systems as follows.
Turn off the system unit power and unplug the power cord.
1.
2.
Check that the SCSI device power is turned off and that the power cord is
unplugged.
3.
Set any switches/jumpers on the SCSI device (see the documentation that comes
with the device).
4.
Connect an optional 16-bit 68-pin external SCSI cable to the SCSI connector on
the rear of the system (see Figure 3-37).
Figure 3-37 Connecting an External SCSI Device Cable
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Troubleshooting
