HP Deskpro ap230 Compaq Deskpro Workstation AP230 Hardware Reference Guide - Page 49

Installing SCSI Devices, Guidelines for Installing Optional SCSI Devices

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Installing SCSI Devices Select models feature a Wide Ultra2 SCSI host adapter that supports up to fifteen wide internal and external SCSI devices. Select models come with an internal SCSI hard drive preinstalled. Additional highperformance SCSI devices can be added to these select models. Guidelines for Installing Optional SCSI Devices When installing additional SCSI devices, you must adhere to the following guidelines:  The Wide Ultra2 SCSI host adapter supports up to 15 wide SCSI devices.  Every SCSI device must have a unique identification (ID) number (0 - 15). The SCSI host adapter identifies signals to and from a SCSI device by its SCSI ID number rather than its location. Moving a SCSI device from one position to another on the SCSI chain does not affect the communication between the controller and the SCSI device. The reserved and available SCSI ID numbers for SCSI devices are as follows:  0 is reserved for the hard drive.  1 through 4 are available.  5 is reserved for a CD-ROM drive.  6 is available.  7 is reserved for the SCSI host adapter.  8 - 15 are available. C-2 Hard Drive Installation Guidelines

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C-2
Hard Drive Installation Guidelines
Compaq Confidential - Need to Know Required
Installing SCSI Devices
Select models feature a Wide Ultra2 SCSI host adapter that supports up
to fifteen wide internal and external SCSI devices. Select models come
with an internal SCSI hard drive preinstalled. Additional high-
performance SCSI devices can be added to these select models.
Guidelines for Installing Optional SCSI Devices
When installing additional SCSI devices, you must adhere to the
following guidelines:
The Wide Ultra2 SCSI host adapter supports up to 15 wide SCSI
devices.
Every SCSI device must have a unique identification (ID) number
(0 - 15). The SCSI host adapter identifies signals to and from a
SCSI device by its SCSI ID number rather than its location.
Moving a SCSI device from one position to another on the SCSI
chain does not affect the communication between the controller and
the SCSI device. The reserved and available SCSI ID numbers for
SCSI devices are as follows:
0 is reserved for the hard drive.
1 through 4 are available.
5 is reserved for a CD-ROM drive.
6 is available.
7 is reserved for the SCSI host adapter.
8 - 15 are available.