Texas Instruments PHP 1250 Handbuch Seite 5

6. Remove the front casing lrom the opening ol the disk drive com-
partment.
7. A lour-wire power cord is inside the compartment. O ne end ol this
cord is connected lo the peripheral system. Plug the loose end ol
the cord into the lour-pin connector o n the back of the disk drive.
I'OWU
COIIIHECTOJI -..-_,._..-
8. The connector cab le included wilh the internai disk drive is desi-
gned to connect the drive to the Controller Card. lnsert the con-
nector cable lhrough the opening al the back ol the disk drive
compartment so that the end with !h e edge connector is inside !h e
compartment and the end with the 34-pin connector is by slot
number 8.
9. Ne xl, note !hai !h e label identifying !h e Disk Drive ControUer Card
iso n the top ol the card. O n the front ol the card is an indicator light.
The light can be seen from the front ol the peripheral system uni!
when the card is active. Hold the Disk Drive Controller Card so that
the indicator light laces the front ol the peripheral system and the
connector tab laces the back ol the unii.
CONNECTOR TA8
3
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PHP 1250
PHP 1850
1 O. Carelully align the card with slot number 8 with the connector tab
facing the back ol the peripheral system. Slide the card halfway
down into the slot.
11. Attach the 34-pin connector ol the disk drive cable lo the 34-pin
connector on the side ol the !ab on the Controller Card.
12. Firmly press the ControllerCard in lo the slot unti l !h e connection is
made. Then take up any slack in the cable by pulling the excess
through the opening into the disk drive compartment.
13. Attach the edge connector ol the disk drive cable to the 34-pin
connector tab on lhe back ol the disk drive.
14. Slide the disk drive into the compartment so that the red indicator
light is in the top left-hand corner. Note: Align the screwopenings
on the top and bottom ol thc peripheral systcm with the holes in
thc disk drive. lf thcy do not line up, the drive may be in upside
down.
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15. Again, carefully piace the peripheral system on its left side. Two
extra screws are included with the internai disk drive. These
screws are to be used lo secure the drive in the peripheral system.
lnsert two screws into the openings on the botto m of the periphe-
ral system. Alter they are secure, piace the peripheral system in its
proper upright position, and insert the other two screws in the
openings on the top ol the system.
16. Replace !h e top o n !h e peripheral system by sliding !h e front edge
under the extension on the lront of the unii. Firmly press down on
!h e back edge of !h e top. Do no! run the system without the top in
piace: the top ensures pro per ventilation. Note: Il the top does noi
fil properly, rcmove l h e card and realign il in l h e slol, remembering
lo press down firmly unti l the connection is made.
CONNECTlNG THE CONTROLLER CARD TO BOTH INTERNAL AND
EXTERNAL DRIVES
1. Il your disk system includes both an internai disk drive (Model
PHP1250) and one or more external drives (Model PHP1850), lirst
remove the terminalion pack lrom the internai drive and installthe
internai drive and l h e Controller Card, lollowing the instructions in
the preceding section.
2. Use the special cabte included with the ControllerCard lo connect
the external drive(s) lo your system. Connect one end of !h e cable
lo the connector !ab that extends from !h e back of !h e peripheral
system, making su re !hai !h e pins on !h e tab align with !h e ho l es on
the connector cable.
3. Attach the adapter board included with !h e Controller Card !o !h e
other end of !h e cable.
4. Each external drive has an attached cable with two connectors,
one at the end of the cable and one near the middle of the cable.
Atlach the end of the disk drive cab le t o the adapter board o n the
Controller's cable.