HP PL Class 450/500/550/600/650/700/750 User Manual page 53

7. Secure the drive with the four self-retaining screws.
8. Locate the appropriate data cable for the hard disk drive.
IDE drives should be connected to
a free IDE connector on the IDE
cables (you can add up to four IDE
devices).
Up to 13 external SCSI devices can be
connected to the external SCSI connector.
Chapter 2
How to Install Accessories In Your HP Visualize Linux Workstation
Installing Mass Storage Devices
Narrow SCSI devices should be
connected to a free SCSI connector
on the SCSI cable (you can add up
to internal two SCSI devices).
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