Avago Technologies AcceleRAID 150 - Manual (Page 29)

Installation
Manual No. 775020 2-15
AcceleRAID 150 with SISL
(SCSI Interrupt Steering Logic)
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Note
If you will be installing the AcceleRAID 150
controller as a standard unit without the SISL feature,
please go to the section titled “AcceleRAID 150 with
Standard PCI Bus” on page 2-1.
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Caution
If an operating system or existing data resides on
drives connected to the system board’s resident SCSI
channels, a full backup must be performed on these
drives prior to this installation.