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Chapter 2: About Your HostRAID Controller l23
About the Adaptec 1225SA Controller
The Adaptec 1225SA is a low-profile PCIe to 2 external port SATA II HostRAID controller with
these features:
Note:
Adaptec 1225SA controller does not support bootable devices.
Note: There is no separate I2C connector. See the HostRAID Controller LED and I2C Connector
Reference on page 87 for details.
Form factor Low-profile
Bus compatibility PCIe-X1
Ports 2 external SATA ports
You can also connect one SATA drive
enclosure with a port multiplier. For details
about supported port multipliers, refer to
HostRAID Controller Features on page 15.
Connector, internal 0
Connector, external 2 external SATA connectors
RAID levels 0, 1 and 10
Simple Volume Yes
Disk drives SATA II (3.0Gbps) NCQ-enabled drives or
eSATA drives.
Maximum number of disk drives 2
Hot spares Yes
Enclosure support Yes—for port multiplier enclosures.
Native Command Queuing (NCQ) Yes
Audible alarm No
Mounting bracket
PCIe X1 connector
External SATA connectors
J1 LED Connector