25
Note: JP20 is a jumper block for enabling/disabling onboard SCSI controller. The default setting,
1-2, enables the onboard SCSI controller. If you want to disable the onboard SCSI controller, put
the jumper cap to pins 2-3.
The following figure shows the correct SCSI bus topology.
2.3.21 Adaptec RAIDport connector (RAIDBUS)
The onboard RAIDBUS connector, in conjunction with an Adaptec ARO-1130 RAIDport card
and the onboard SCSI controller, provides a complete RAID solution. The RAIDport card
supports the following features for enhancing performance, data redundancy and data
availability:
RAID coprocessor
Support for RAID levels 0 (striping), 1 (mirroring), 0/1 and level 5
Hot-swap drive support
Hot-spare standby
Dynamic sector repairing
For information on obtaining a RAIDport card, visit Adaptec’s web page at
http://www.adaptec.com
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