Installing Internal Scsi Devices - Adaptec AHA-2930 Installation Manual

Step 6:
Make sure that all SCSI devices have unique
SCSI ID's from 0 to 6. (Refer to your device
documentation for SCSI ID settings and instructions on
manually changing the default settings.)
If you are installing external SCSI devices only, replace
the computer chassis cover and skip to Installing External
SCSI Devices on page 4.

Installing Internal SCSI Devices

Step 1:
Install or enable terminators on the internal
SCSI device that you plan to connect to the end of the
internal cable. Then remove or disable terminators on
all other internal devices.
On most internal SCSI devices, you control termination
by setting a jumper or a switch, or by physically remov-
ing or installing a resistor module(s). Refer to the
device's documentation to determine how to enable or
disable termination on your particular device.
Termination
Enabled
Termination
Disabled
Step 2:
Install and mount each internal SCSI device
inside your computer. (Refer to your computer and
device documentation for instructions.)
If you purchased your AHA-2930B as part of an Adaptec
kit, the kit includes one 50-pin internal SCSI cable that
allows you to connect up to two internal SCSI devices.
Step 3:
Plug one end of your 50-pin internal SCSI cable
into the host adapter's internal SCSI connector. To
connect more than two internal devices, use a SCSI cable
with enough connectors to accommodate all of your
devices.
Make sure that the colored stripe on one side of the cable
is aligned with pin-1 of the host adapter's connector.
Pin-1 of the connector is usually designated by a small
triangle ( ), or a "1" on the connector.
Colored
Stripe
50-pin SCSI
Ribbon Cable
Pin 1
Internal SCSI
Connector
Step 4:
Plug the other end of the 50-pin internal SCSI
cable into one of the connectors on the last internal SCSI
device in the chain. (This device must be terminated.)
Make sure the colored stripe on the side of the cable is
aligned with pin-1 of the SCSI device's connector.
Internal SCSI
Device
Step 5:
Plug the remaining cable connectors into any
remaining internal devices. (These devices must not be
terminated.)
Pin 1
Colored Stripe
3