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Chapter 2: About Your HostRAID Controller l21
About the Adaptec 1420SA Controller
The Adaptec 1420SA is a low-profile PCI-X to 4 port SATA II HostRAID controller with these
features:
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 PCI-X
Ports 4
Connector, internal 4
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
Mounting bracket
3.3V/5V PCI-X connector
0123
Activity LED
J2 LED connector
J7 (Aggregate Activity LED Header)
J1 connector (I2C)
SATA Ports