Chapter 3: About Your RAID Controller ● 24
About the Adaptec 4805SAS
The Adaptec 4805SAS is a SAS RAID controller with these features:
Note: Although this controller has an onboard speaker, you can
connect
it to an internal speaker with these specifications: 3.0 V, 90.0 mA
. The
internal speaker is not required, as the onboard speaker volume is
appropriate for most environments.
Bus compatibility PCI-E x8
I/O processor clock frequency 400 MHz
Standard cache 128 MB DDR2
Maximum number of disk drives 16 (or up to 128 with an expander)
SAS cables included 2 (internal)
Battery backup module Adaptec Battery Module 600
(sold separately—see page 21)
Audible alarm Yes
One external
SAS
connector
Mounting
bracket
Two 4-wide internal
SAS connectors
PCI-E connector
Mode 0 Flash connector
Battery connector
Activity LED connector
(top 2 left/right pins)
Alarm connector
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