If you’ll be using two hard disk drives, you have a total of four jumpers for eight jumper positions. Two jumpers are included with each drive. Install three of the jumpers on the master drive in positions C/D, DSP, and ACT. Install the fourth jumper on the slave drive in position ACT.

If you are installing both of your hard disk drives at one time, you should install the drive in the horizontal drive bay first. See “Installing or Removing a Disk Drive in the Horizontal Position,” on page B-27, for instructions.

If one of your hard disk drives is already installed in the computer, follow the steps under “Removing a Hard Disk From the Vertical Position,” on page B-24, to remove the drive. Then set the jumpers on both drives while they are out of the computer. The steps in that section tell you which instructions to follow next.

If you are removing one hard disk drive and leaving one in your computer, be sure to set the jumpers on the remaining drive to indicate that you have only one hard disk drive

installed. See the table

for the j

follow the instructions

the Vertical Position,” on page B-24, so you can access the jumpers on the drive.

Installing and Removing Disk Drives

B-7