D r i v e U p g r a d e s
6/2 OWNER’S HANDBOOK
WARNING
Never carry out any work inside the computer with AC power applied.
Always shut down the computer and unplug all power cords before
removing the top cover.
Configuring a Hard Disk Drive (HDD)
HDDs typically require configuration, perhaps by altering jumpers
on the drive itself, prior to installation. Configuration details vary
from drive to drive: a second E-IDE hard disk drive needs to be
configured as the slave drive; a SCSI drive must be configured with
a device ID number, indicating its logical position on the SCSI bus
(the boot SCSI drive is usually drive ‘0’). Most drives are supplied
with documentation describing how to configure the drive. If you
are uncertain about configuring the drive consult your supplier.
IDE drive
A typical E-IDE drive, shown below, is configured as master or slave
by the position of a jumper on the drive.
MASTER
023
SLAVE
SCSI drive
The first SCSI drive is usually set at ID ‘0’, additional SCSI hard
drives would then, conventionally, be numbered in sequence, i.e., a
second drive would have an ID of ‘1’ and so on.
A SCSI bus must also have a termination at the end for correct
operation. This is done with a link on the
last
drive. An existing
drive will probably have the bus termination link set to ‘on’ and this
will have to be changed. The very
last drive
in the system must be
the
only one
set
for bus termination.
