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Chapter 2: About Your HostRAID Controller ● 15
About the Adaptec 1420SA Controller
The Adaptec 1420SA is a low-profile PCI-X to 4 port SATA II HostRAID controller with these
features:
Form factor Low-profile
PCI compatibility PCI-X x1
Ports 4
Connectors 4 internal
RAID levels 0, 1, 10
Simple volume Yes
Disk drives SATA I (1.5Gbps), SATA II (3.0Gbps)
Maximum number of disk drives 4
Hot spares Yes
Enclosure support Yes, SATA II Enclosure Management
using I2C connection
Native Command Queuing (NCQ) Yes
Audible alarm No
SATA ports
3
2
0
1
PCI-X connector
Mounting bracket
J2 Connector (Activity LED)
J1 Connector (I2C)