Adaptec 2020SA User Guide - Page 30

SATA Drives and Cables, SCSI Drives and Cables

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Installing the Controller and Drives SATA Drives and Cables To install an Adaptec SATA RAID controller and drives, you need equal numbers of each of the following: ■ Serial ATA hard drives ■ Serial ATA cables (supplied in this kit) Configuration of Serial ATA drives is simple for the following reasons: ■ There are no jumpers or switches to set on SATA controllers or hard drives. ■ Cable connectors are identical, so you don't need to worry about which end to attach to the controller and which end to the drive. ■ All connectors are keyed so that you can insert them in only one direction. ■ Adaptec 2020SA/2025SA only-When connecting SATA cables to the motherboard connectors, make sure that you use the Zero Channel RAID (ZCR) enabled connectors. For details, refer to the motherboard documentation. SCSI Drives and Cables Adaptec recommends using only the latest Ultra320 hard drives in arrays and only high-quality Ultra320-rated cables with multimode terminators for all drives that share a channel with Ultra320 drives. Notes: ■ For additional considerations related to installing SCSI drives, see Appendix F, About SCSI. ■ Use only good quality cables. Poor quality cables may degrade system reliability. Avoid cables not rated for Ultra320 operation. ■ To buy cables, visit www.adaptec.com. ■ Use device adapters as needed to connect any SE drives. ■ Do not attach a cable to the controller unless the other end of the cable is attached to a least one drive. Doing so would cause unstable operation. 2-2

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2-2
Installing the Controller and Drives
SATA Drives and Cables
To install an Adaptec
SATA
RAID controller and drives, you need
equal numbers of each of the following:
■
Serial ATA hard drives
■
Serial ATA cables (supplied in this kit)
Configuration of Serial ATA drives is simple for the following reasons:
■
There are no jumpers or switches to set on SATA controllers or
hard drives.
■
Cable connectors are identical, so you don’t need to worry
about which end to attach to the controller and which end to the
drive.
■
All connectors are keyed so that you can insert them in only one
direction.
■
Adaptec 2020SA/2025SA only
—When connecting SATA cables to
the motherboard connectors, make sure that you use the Zero
Channel RAID (ZCR) enabled connectors. For details, refer to
the motherboard documentation.
SCSI Drives and Cables
Adaptec recommends using only the latest Ultra320 hard drives in
arrays and only high-quality Ultra320-rated cables with multimode
terminators for all drives that share a channel with Ultra320 drives.
Notes:
■
For additional considerations related to installing SCSI
drives, see
Appendix F,
About SCSI
.
■
Use only good quality cables. Poor quality cables may
degrade system reliability. Avoid cables not rated for
Ultra320 operation.
■
To buy cables, visit
www.adaptec.com
.
■
Use device adapters as needed to connect any SE drives.
■
Do not
attach a cable to the controller unless the other end
of the cable is attached to a least one drive. Doing so
would cause unstable operation.