IBM HS20 Hardware Maintenance Manual - Page 57

This ID enables the SCSI controller in the I/O expansion card to identify the device

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SCSI storage expansion unit Cover pins Terminator Blade expansion connector Figure 25. SCSI storage expansion unit installation Figure 26 shows how to install a PCI I/O Expansion Unit on a blade server. PCI I/O Expansion Unit option Cover pins Terminator Blade expansion connector Figure 26. PCI I/O expansion unit installation With the SCSI storage expansion unit installed on the blade server, you can install up to two hot-swap SCSI hard disk drives in the option and configure them for embedded mirroring (RAID level1). Each SCSI device must have a unique SCSI ID. This ID enables the SCSI controller in the I/O expansion card to identify the device Chapter 5. Customer replacement units 47

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Figure 26 shows how to install a PCI I/O Expansion Unit on a blade server.
With the SCSI storage expansion unit installed on the blade server, you can install
up to two hot-swap SCSI hard disk drives in the option and configure them for
embedded mirroring (RAID level1). Each SCSI device must have a unique SCSI ID.
This ID enables the SCSI controller in the I/O expansion card to identify the device
Cover
pins
SCSI storage
expansion unit
Terminator
Blade expansion
connector
Figure 25. SCSI storage expansion unit installation
Cover
pins
Terminator
Blade expansion
connector
PCI I/O Expansion Unit
option
Figure 26. PCI I/O expansion unit installation
Chapter 5. Customer replacement units
47