HP Deskpro 300 Compaq Deskpro Workstation 300 Hardware Reference Guide - Page 45

Hard Drive Installation, chain. It is acceptable to mix Wide-Ultra2 and Wide-Ultra160

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s Turn on all external SCSI devices before turning on the power to the computer. This enables the SCSI controller to recognize the external devices. s All SCSI hard drives must be either internal or external, but never both. The system accommodates a combination of other internal and external SCSI devices, such as tape and CD-ROM drives. s Compaq does not recommend mixing different width SCSI devices on the same SCSI chain or on the same SCSI controller. Mixing devices of different widths on the same chain or controller will always result in a data transfer rate of the slowest machine in that chain. It is acceptable to mix Wide-Ultra2 and Wide-Ultra160 SCSI devices, but do not mix Narrow devices with any devices other than Narrow devices. For additional information about optional SCSI devices, refer to the documentation included with the device or contact your Compaq authorized dealer, reseller, or service provider. CAUTION: Do not route cables near the air intake to the power supply. Cables routed in this manner can block airflow to the power supply, causing it to overheat. B-4 Hard Drive Installation

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B-4
Hard Drive Installation
Compaq Confidential - Need to Know Required
■
Turn on all external SCSI devices before turning on the power to
the computer. This enables the SCSI controller to recognize the
external devices.
■
All SCSI hard drives must be either internal or external, but never
both. The system accommodates a combination of other internal
and external SCSI devices, such as tape and CD-ROM drives.
■
Compaq does not recommend mixing different width SCSI devices
on the same SCSI chain or on the same SCSI controller. Mixing
devices of different widths on the same chain or controller will
always result in a data transfer rate of the slowest machine in that
chain. It is acceptable to mix Wide-Ultra2 and Wide-Ultra160
SCSI devices, but do not mix Narrow devices with any devices
other than Narrow devices.
For additional information about optional SCSI devices, refer to the
documentation included with the device or contact your Compaq
authorized dealer, reseller, or service provider.
CAUTION:
Do not route cables near the air intake to the power supply.
Cables routed in this manner can block airflow to the power supply, causing
it to overheat.