Plextor PX-716AL Installation And User Manual page 54

Section 4. Maintenance and Troubleshooting
To perform the self-test:
1. Turn the computer's power OFF, unplug it from its power source,
and open the computer to gain access to the rear of the PX-716AL
drive. Typically, this involves loosening or removing several screws
on the back panel of your computer and sliding off the cover. (See
Figure 3 for an example.)
CAUTION: Before you attempt to open your computer be sure to
properly ground yourself by wearing an anti-static wristband. This will
help prevent static damage to your computer system.
2. You should be able to see the back of the PX-716AL drive
connected to the ATAPI cable, power connector, and, optionally, an
analog sound cable.
NOTE: You may have to remove the drive from the computer to
perform the next two steps.
3. Hold the ATAPI cable at or near the base of its connection to the
PX-716AL drive. Carefully remove the ATAPI cable from the drive
by pulling the cable gently rearward.
4. Note the position of the mode jumper at the rear of the PX-716AL. A
jumper will be installed on either the CABLE SELECT, SLAVE, or
MASTER position. Write down this jumper position. (You'll need to
replace the jumper after the test.) Then:
If the jumper is on the MASTER position, move it to the
SLAVE or CABLE SELECT position for this test.
If the jumper is on the SLAVE or CABLE SELECT jumper,
leave it in place.
The position of the DMA jumper (on or off) doesn't matter.
Don't change it.
5. Install an extra jumper so that both the CABLE SELECT and
SLAVE positions are jumpered, as shown in Figure 23.
6. If you removed the drive for access to the cable and mode jumpers,
slide it back into the computer and connect the power cable to the
drive.
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PX-716AL Installation and Users Manual