Adaptec 2170200 User Guide - Page 21
About the Adaptec 1420SA Controller
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Chapter 2: About Your HostRAID Controller l 21 About the Adaptec 1420SA Controller The Adaptec 1420SA is a low-profile PCI-X to 4 port SATA II HostRAID controller with these features: J1 connector (I2C) J7 (Aggregate Activity LED Header) J2 LED connector Activity LED 3 SATA Ports 2 1 0 Mounting bracket 3.3V/5V PCI-X connector Form factor Bus compatibility Ports Connector, internal RAID levels Simple volume Disk drives Maximum number of disk drives Hot spares Enclosure support Native Command Queuing (NCQ) Audible alarm Low-profile PCI-X 4 4 0, 1, 10 Yes SATA I (1.5Gbps), SATA II (3.0Gbps) 4 Yes Yes, SATA II Enclosure Management using I2C connection Yes No Note: There is no separate I2C connector. See the HostRAID Controller LED and I2C Connector Reference on page 87 for details.