Acer SmartRAID V Uživatelský manuál Strana 39

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3-3
Adapter Configuration and Installation
Configuration
DPT Fibre Channel controllers and attached Fibre Channel devices are
plug-and-play and will configure themselves automatically during boot.
SCSI devices in the system must be configured prior to use. This
configuration includes enabling SCSI termination for the devices and
setting the SCSI IDs for each device.
Narrow and Wide SCSI
The SCSI devices you will be installing can be either Narrow (8-bit) or
Wide (16-bit) SCSI devices. Wide SCSI disk drives allow data to be
transferred at twice the rate of older 8-bit devices. However, some SCSI
devices such as tape and CD-ROM drives still use an 8-bit interface. This
is not a problem because the Wide SCSI bus is backward compatible with
Narrow SCSI devices, allowing both types of SCSI devices to be used on
the same controller.
NOTE You can mix Narrow and Wide devices on a single 16-bit SCSI
cable. However, any Narrow devices must be attached to the
bus ahead of any Wide devices. This ensures that the 16-bit
signals are correctly terminated.
Configuring Cables
SmartRAID V SCSI controllers contain a single Wide SCSI bus with one
internal and one external SCSI connector. Each SmartRAID V SCSI
controller kit contains a Wide, 68-conductor SCSI cable. This cable is for
connections internal to the computer cabinet only.
SmartRAID V Fibre Channel controllers contain one Fibre Channel port
with a single Fibre Channel connector. The SmartRAID V Fibre Channel
controller requires a High Speed Serial Data Connector (HSSDC) cable. If
you do not have an HSSDC cable, this cable is available from DPT or a
cable supplier of your choice.
NOTE Internal and external, Narrow and Wide SCSI cables, Fibre
Channel cables, connector adapters and terminators can be
purchased directly from DPT (you can use our online web
store at www.dpt.com) or from a supplier of your choice.
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