4 Make sure that only the last device in the SCSI chain has a terminator and that no other
external SCSI device has a terminator.
To ensure accurate transmission of information, a terminator must be at each
end of a SCSI chain.
Some external SCSI devices from manufacturers other than Apple have a
built-in terminator. (Check the information that came with the device.) If the
device at the end of the SCSI chain does not have a built-in terminator, you
need to attach an external terminator.
If your SCSI device has a built-in terminator, you may choose to use it as
either the only device or the last device in the chain, or you may have your
Apple-authorized service provider remove any extra built-in terminators. You
can attach or remove external terminators yourself.
Note: If only one external device has a built-in terminator, rearrange the
SCSI chain so that device is at the end.
IMPORTANT
Always turn on any external SCSI devices connected to your
server before turning on the server itself. Otherwise, your server cannot
recognize the SCSI devices.
Before using the newly installed SCSI device, you may need to install
associated software; see the following section, “Installing a Device Driver.” If
you installed a hard disk, see also the subsequent section, “Do You Need to
Initialize a Hard Disk?”
External SCSI terminator
Connecting hard disks and other SCSI devices 61
