Adaptec SATA AND SCSI RAID CONTROLLERS - Manual (Page 20)

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Introduction
SCSI RAID Controller Features Summary
The SCSI RAID controller features are described in the table below.
Note: For more on SCSI, see Appendix F, About SCSI .
Adaptec 2020ZCR Adaptec 2120S Adaptec 2200S
Form factor Low-profile Low-profile Low-profile
PCI compatibility PCI/PCI-X PCI only PCI only
PCI bus width (max) 64-bit 64-bit 64-bit
PCI bus speed (max) 133 MHz 66 MHz 66 MHz
Cache, standard 64 MB 64 MB 64 MB
Channels None 1 2
Devices per channel 1
1. Includes Ultra320 through Ultra2 hard drives and other devices, including CD and
tape drives.
15 15 15
Total devices 30 15 30
Connectors, internal
2
2. High density
None 1 2
Connectors, external
3
3. Very High Density Connector Interface (VHDCI)
None 1 2
Cables supplied None 1 internal 1 internal
RAID levels 0, 1, 5, 10, 50 0, 1, 5, 10, 50 0, 1, 5, 10, 50
Simple volume Yes Yes Yes
Spanned volume Yes Yes Yes
Hotspares Yes Yes Yes
Automatic failover Yes Yes Yes
Audible alarm Yes Yes Yes
Battery module option 4
4. Battery sold separately.
Not available ABM-300 ABM-300