Gateway Computer Drive - Manual (Page 22)

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Chapter 3: Installing a New Drive
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Setting the IDE jumpers
IDE drives contain a jumper block. A jumper block is a set of pins located on
the drive. The jumper block is typically located on the rear of the drive,
although it may be located on the top or the bottom of the drive.
On some IDE drives, a jumper is placed over two of the pins to configure the
drive as the master (or single) drive or as the slave drive. IDE drives are labeled
with information about which set of pins must be used to make the drive master
or slave.
Other IDE drives use the cable select setting to configure the drive. Cable select
is a jumper setting that configures the drive as a master or slave drive based
on its position on the IDE cable. If both drives on the IDE data cable are
configured as cable select, the middle drive is the slave and the end drive is
the master.
If you are installing your new drive as a replacement drive, configure the new
drive settings so that they match your old drive settings. For example, if your
old drive was set as a Master drive, make sure to set the new drive as a
Master drive.
In order to maintain the same configuration (master, slave, or cable select), your
new drive may require different jumper settings than your current drive. Check
the label on your drive for the correct settings.