Basic jumper settings for Western Digital ATA Hard Drives
Thank you for purchasing your new ATA hard drive from Other World Computing! Please
review these jumper settings prior to installing your new hard drive into your computer.
You may want to review more detailed information about the installation process, or
the location and confi guration of your existing internal ATA drive before proceeding.
Your manual that came with your computer can be of assistance in both of these
A few notes about installing an ATA hard drive into your existing system:
Your existing drive is normally confi gured one of two ways, Master (single drive), or
Cable Select. You will want to determine this before installing your new drive, the easiest
way is to remove the existing drive from your system and visually inspect it’s hard drive
jumpers. Most hard drives have a schematic either silk screened onto the case of the
drive, or the schematic is on a label near the jumper pins. If you have diffi culty locating
this information, visit the hard drive manufacturer’s website.
If your existing hard drive is confi gured as “Master”, then set your new hard drive
to “Slave”. If your existing drive is set for “Cable Select”, then set your new drive to
“Cable Select” also. You can change the existing jumper settings on the original drive
to suit your needs, but we recommend following these instructions fi rst to verify proper
operation of the new hard drive.
Installing jumpers on the new drive is a simple process, follow the schematic to
Please note the confi guration of
the internal ATA cable already
installed in your existing system.
If your internal cable is confi gured
differently than pictured here,
you may want to replace it before
installing a new hard drive to
achieve maximum performance.
For further assistance, visit our tech center at
For further assistance, visit our tech center at
http://eshop.macsales.com/Tech/index.cfm
http://eshop.macsales.com/Tech/index.cfm
Take your hard disk drives that you wish to install into the case
and determine how to set the conguration jumpers to Mas-
ter and Slave; you will need one of each for the drives that you
install into the enclosure. Shown above is the jumper congura-
tion sheet included with Western Digital drives that ship here at
OWC; we have instructions available for all brands we sell at:
http://eshop.macsales.com/tech_center/index.cfm?page=data_
inthdd.html
Turn the drive enclosure onto it’s side as shown and remove the
two Phillips screws that are inserted into the bottom of the drive
enclosure. This will release the internal drive carrier. Slide the
drive carrier out of the external housing, pushing it to the front.
