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Compaq Smart Array 3200 Controller Reference Guide
Writer: Rickard Project: Compaq Smart Array 3200 Controller Reference Guide Comments: 340862-002
File Name: M-APPF.DOC Last Saved On: 12/2/98 2:08 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Appendix F
Replacing the Array Accelerator
The Smart Array 3200 Controller has a removable 64-MB Array Accelerator.
The Array Accelerator is mounted on a removable daughterboard so it can be
easily replaced if necessary. The Smart Array 3200 Controller is not operable
without the Array Accelerator.
The Smart Array 3200 Controller Array Accelerator has several unique features:
■ It accelerates data storage by temporarily caching the data at high
internal bus rates while transferring the data to the drives at their slower
Write speeds.
■ It uses its own batteries to keep the data alive without board power, even
if the Array Accelerator is removed from the Smart Array 3200
Controller.
■ The memory is Error Checking and Correcting (ECC), providing error
detection and correction reliability.
■ It can be moved to another Smart Array 3200 Controller to complete the
data transfer should the original Smart Array 3200 Controller fail.