Assembly and Installation instructions for Palo Alto ATCX Case
Contributed by John Schenken
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Opening up the case
This case is primarily secured by a single thumbscrew on the back of the case. In order to open up the case you must first unscrew the thumbscrew until it releases from the case.
Then, using your thumbs to press inwards at the two indentions on the case cover, pull the cover backwards from the case. The cover will then slide backwards and you can remove it from the case.
Installing Hard drive
The case has a single 3.5" internal drive bay. The mounting for this bay is a slide in drive panel. In order to mount a drive you must first remove the mounting plate. This is done by removing the two screws located just beneath the floppy drive bay on the case front.
Once those screws have been removed, the hard-drive mounting panel can be slid backwards and will release from the drive bay.
Due to the case's approach of using a minimal number of screws, the mounting of the drive to the drive panel is designed to only require a single screw. On one side of the drive panel are two prongs, which are to be inserted in to the screw holes on the side of the hard drive. As the panel is then laid down over the drive, the single screw hole on the panel will line up exactly with the middle screw hole on the hard drive, as seen in this picture.
Use either the screws supplied with the case or with the hard drive to mount the drive panel onto the hard drive.
After the drive has been mounted on the drive plate, reverse the procedure for removing the drive plate. Slide the drive into the bay and then secure it using the two screws on the front of the case.
Installing Floppy Drive
Included in the case hardware package are two Floppy Disk Drive Clips. One of the clips is marked for the left (L), and one for the right (R). A single screw attaches each clip to the floppy drive. The clips will be on the bottom of the drive, as shown in this picture of the drive upside down:
Once the clips are mounted to the drive, the floppy drive is slid into the case from the front. The drive will be pushed in until a click is heard when the clips lock into place.
Removing the floppy drive is done by pressing upwards on the floppy clips and pulling the drive forward out of the case.
Installing CD-ROM/DVD/Other Drives
The enclosure containing the two 5 ¼" bays and the two 3 ½" bays can be removed from the case to allow for easier installation of the drive. The enclosure can also be rotated 90° so that the case can be used on its side as a desktop case instead of a tower case.
To remove the drive enclosure you push the enclosure forward about ½", you will feel it release from its mounts. Then, pull the enclosure out the side of the case, and it will release completely from the case.
Once the enclosure is removed, you can easily add and remove drives. All drives mounted into the enclosure's drive bays are directly mounted to the bay and secured using three mounting screws. Slide the drive in from the front of the enclosure, line up the drive’s bezel with the others in the enclosure, and use the mounting screws to secure the drive in place. Picture on the right shows the case with a CD Drive, Floppy drive, and hard drive all mounted in the case.
Mounting the Motherboard
Unlike many other cases that have standoffs with a threaded screw hole in them, this case provides standoffs that have a 'clip' extending up from them. The idea is that the clip will extend up through the motherboards screw holes and lock the motherboard in place.
The motherboard used in this case can be any one of three common industry-standard board formats. This case is compatible with AT, ATX, and micro ATX format motherboards. As ATX is the most common motherboard configuration for this case, we will illustrate the installation of that board type.
(1) Located the board in the case in the position that you wish it to be mounted. Be sure that any of the external connectors on the board are fully extended through the mounting holes on the back of the case. (2)
Note the places where the motherboard has a mounting hole, but where no standoff is located on the case.
Also note any place where a case standoff does not align with or match a mounting hole on the motherboard. (3) Add necessary standoffs to the case by squeezing the mounting feet together, placing the standoff in its mount, and then releasing pressure on the feet. (4) Remove any unnecessary standoffs from the case by squeezing the mounting feet together and pulling the standoff upward off the case. (5) Install the motherboard again, first ensuring that the external connectors are lined up. (6) Align each motherboard mounting-hole with its standoff and press down on the motherboard until the clip clicks into place.
Once the motherboard has been mounted in the case, follow the wiring connection instructions in the motherboard manual. The motherboard manual will explain where to connect the various indicator lights and switches from the case.
Remove the rubber band that holds all the power wires together. This bundle contains 5 large 4-pin connectors (typically for hard drives and CD drive), 3 smaller 4-pin connectors (typically for 3.5" drives or internal ZIP drives), and one connector for an ATX style motherboard. Connect one of the power connectors to each drive (floppy, CDROM, DVD, hard drive) installed in the case. Plug the ATX connector into the ATX power receptacle on the motherboard.
Finally, using the guidelines in the motherboard manual, connect the ribbon cables from all floppy, hard drive, CDROM, or DVD drives to the motherboard connection.
Closing the Case
To close the case back up: (1) Holding the case front at a 90° angle to the case, align the plastic tabs with the holes for those tabs. (2) Rotate the case front down to the left until it contacts and locks into place on the case. (3) Place the side panel of the case into place and then push the panel forward until it locks into place. (4) Secure the panel with the thumbscrew on the rear of the case.
Power up and give it a go!
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