HP Netserver E Server series - Manual (Page 27)

Chapter 3 Installing Mass Storage Devices
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The power cable is split into two cables, each with three power connectors.
The designed distribution is:
◊ One string of three: CD-ROM, optional tape drive, top hard disk drive.
◊ Second string of three: lower three hard disk drives.
If a power connector has no mate (for example, no optional tape drive
installed), leave it unconnected and use the connector designed for the
device you are connecting.
14. Replace the NetServer cover, external cables, and power cord.
Installing the Optional SCSI Accessory Cable Kit
The HP NetServer can be configured to allow duplexing using the embedded
SCSI controller (Channel A and B). This makes use of the second SCSI channel
(Channel B) in the NetServer, but requires an additional cable that may not have
been provided if you did not ask for this option when you placed your order. The
duplex option requires installation of at least two SCSI hard disk drives in the
drive cage (one for each channel), and a second SCSI cable (HP NetServer E 800
Internal Accessory SCSI Cable Kit, PN: P1773A).
Refer to Figures 3-4 and 3-6, when installing the cable into the Channel B
connector and cabling the existing cable and channel B cable to the SCSI disk
drives. The ribbon cable (P/N P1773A) used for duplexing Channel B has folds in
the cable at the proper locations and will lie on top of the PCI boards, once it is
installed.
You may also use this cable to connect the optional tape drive, which will separate
the slower tape drive from the faster Ultra-2 SCSI drives. See Figure 3-5.