Logic Board Reset

Before you begin, remove the logic board. Caution Review the ESD precautions in Bulletins Safety. Pull up and disconnect the battery connector. Pull up and remove the battery from its hook-and-loop base. Wait 5-10 minutes and then replace the battery 4 Press the reset switch on the logic board using a flat plastic tool. 5 Fully seat the logic board in the enclosure. Note This procedure resets PRAM. Be sure to check the computer's time date and other system parameter settings following the...

Hard Drive 1

Hard drive not found when booted from CD ROM drive Flashing appears at startup in 6400 180 or 6400 200 with 1.6 GB p n 6611107 or 2.4 GB 661-1 202 ATA hard drive , and may be corrected with restart. Use Drive Setup to attempt to recognize or mount hard drive. Be sure system software is not corrupted. See the Software Troubleshooting document in the HW-SW Procedures topic under the Troubleshooting tab on the Service Source CD startup screen. Remove the 1.6 GB or 2.4 ATA hard drive and look at...

TVFM Tuner Card

Caution Review the ESD precautions in Bulletins Safety. 1 Remove the two screws from the TV FM tuner card cover. Pull the TV FM tuner card from the computer. 3 Turn the card over and disconnect the ribbon cable from the card.

TVFM Tuner Card 1

Note The TV FM tuner card is an option. Caution Review the ESD precautions in Bulletins Safety. 1 Remove the two screws from the TV tuner card access port cover. 2 Remove the TV tuner card access port cover from the computer. Pull the TV tuner card ribbon cable a short way out of the access port. 4 Connect the ribbon cable plug to the TV FM tuner card connector. Slide the TV FM tuner card into place along the guides on both sides of the access port. 6 Replace the two screws that hold the TV FM...

Modems

Some Performa 6400 180 and 6400 200 computers shipped with internal GeoPort modems and some with internal Global Village modems. If the modem isn't replaced like-for-like, the communications software is incompatible with the modem. To identify the modem originally shipped in the computer look at the last three characters of the serial number to compare with characters found in this table. Geoport is a hardware and software communications architecture that has been optimized for...

Sound

The sound system supports 8-bit and 16-bit stereo sound output and input. lt can create sounds digitally and play the sounds through the internal speakers or send the sound signals through the sound output jacks. The 6400 and 6500 computers digitize and records sound as 16-bit samples. It can use two of these sampling rates 11k, 22k, or 44k samples per second. It can record sound from the following sources Microphone connected to the sound input jack Compact disc in the CD-ROM player The 6400...

Expansion Bay or Zip Drive Cover

Apple Performa 6400 Opening

Before you begin, remove the front bezel. Note Expect a loud cracking noise as you remove the bay cover. 1 Press on one side of the bay cover. 2 Insert a screw driver under the lower corner of the opposite side, and pry off the cover plate. can insert screw drivers under each lower corner of the cover plate and pull the sides outward to release it. Replacement Note Align the three plastic tabs at the top of the bay cover with slots under the top cover. Replacement Note Press the cover into...

Hard Drive Ghw

Before you begin, remove the front bezel. Caution Review the ESD precautions in Bulletins Safety. Note The hard drive is located in the lower left drive bay. Press the hard drive release latch to the right. Slide the hard drive forward far enough to reach the cables connected to the back of the hard drive. 3 Disconnect the power cable from the hard drive. 4 Pull the convenience tab to disconnect the data cable from the hard drive. Note For information about removing the hard drive from its...

Logic Board 1

No preliminary steps are required before you begin this procedure. Note If you are looking at the back of the computer, the logic board is located on the left. Caution Review the ESD precautions in Bulletins Safety. 1 Remove the two screws that secure the logic board to the rear panel. 2 Grasp the two plastic tabs, and gently pull the logic board all the way out of the computer. Note Perform the following steps only if you are replacing a defective logic board. 3 Remove the two Phillips screws...

Front Bezel

No preliminary steps are required before you begin this procedure. 1 Put the front of the computer on a workbench edge directly in front of you. 2 Push up the release tabs under the front bezel. 3 Pull the bottom of the front bezel out and away from the computer. Replacement Note Align the two plastic tabs at the top of the front bezel with the slots in the front metal chassis below the expansion bay cover. Press the front bezel into place. Press the bottom corners and the middle of the panel...

Power Supply

Power Macintosh 6400 Power Supply

Before you begin, remove the following Note If you look at the back of the computer, the power supply is located on the right. Caution Review the ESD precautions in Bulletins Safety. 1 Remove the two screws that secure the power supply to the back of the computer. 2 Lay the right side of the computer on a clean, smooth surface. The power supply should be to your left and the drive bays to your right. 3 Remove the screw that secures the power supply inside the computer. 4 Set the computer...

Blurry Video Solution

If you identified a blurry video symptom, you need to inspect the audio monitor connection subassembly. 1 Remove the audio monitor connection subassembly from the computer. 2 Turn the subassembly so you can see the area of the monitor board immediately behind the monitor connector. capacitors as pictured in this graphic. Note The capacitors may not be present. See the graphic on the next page. 4 If three red capacitors are not present, replace the audio monitor connection subassembly with part...

Top Cover

Before you begin, remove the following Caution Never operate the computer with the top cover removed. Failure to comply may result in irreparable damage to internal components. 1 Remove the captive cover screw on the rear panel. 2 Slide the top cover back about one-half inch. 3 Lift the top cover from the computer. Replacement Note Place the top cover on top of the chassis, about a half inch from the front of the computer. Slide the cover forward until it is firmly in place. Replace the captive...

Battery Verification

Before you begin, remove the logic board. Caution Review the ESD precautions in Bulletins Safety. 1 Set the voltmeter to the 10 volts DC scale. 2 Hold the positive probe of the voltmeter to the positive end of the battery and the negative probe to the negative end of the battery. 3 If the battery voltage is below 3.0 volts, replace the battery. Refer to Battery Replacement in this chapter.

Avid Cinema Card

Avid Cortion

Before you begin, remove the logic board. Caution Review the ESD precautions in Bulletins Safety. 1 Follow the steps in the PCI Card section of this chapter, choosing to place the card in the top or bottom PCI expansion slot on the PCI adapter card. If a video input card has not been installed, install one now. Connect the Avid Cinema Card to the Video Input Card Note Use the shorter 2.5 DAV ribbon cable. The two ends of the cable are identical. Match the notches on the card connectors to...

Configurations

Card Performa

The 6400 has a PowerPC 603ev processor. Expansion connections on the logic board include the following Communications slot for modems and Ethernet The Power Macintosh 6400 has the same feature set as the Performa 6400. It is available with a PowerPC 603ev processor running at 180 MHz or at 200 MHz. These computers are sold in Japan, Australia, and Europe. They both ship with 8X-speed CD-ROM drives. The 6410 has 16 MB of RAM and a 1.6 GB hard drive. The 6420 has up to 24 MB of RAM, a 2.4 GB hard...

Subwoofer Speaker Assembly

Macintosh Performa 6400

Before you begin, remove the following Note The subwoofer speaker assembly is in the bottom of the chassis. Caution Review the ESD precautions in Bulletins Safety. 1 Lay the right side of the computer on a clean, smooth surface. 2 Using a T1 0 torx screw driver, remove the screws that secure the subwoofer speaker assembly to the bottom of the chassis. Pull the 2-pin connector from the audio monitor connection subassembly in the upper rear corner inside the chassis. 4 Pull the subwoofer speaker...

High Performance Module Cache

Before you begin, remove the logic board. Caution Review the ESD precautions in Bulletins Safety. Cache Module Slot High Performance Module Cache Module Slot High Performance Module Note The module is designed to fit into the slot only one way. Align the notches in the module with the small ribs inside the slot, and snap the card into place on the logic board.

PCI covers 1

1 Remove the screw that secures the PCI support bracket to the logic board fence. Remove the screw that secures the PCI support bracket to the logic board. Pull up on the PCI adapter and support bracket to remove them from the logic board.

Front Panel Control Board

Removing Hard Drive From Performa 6400

Before you begin, remove the following Note It isn't necessary to remove the cables from the hard drive. Panel control board is located to Control the right of the hard drive. Caution Review the ESD precautions in Bulletins Safety. 1 Reach through the hard drive bay and behind the front panel control board to push the board forward. Pull the front panel control board out of the computer far enough to reach the cable on the back. Remove the cable attached to the back of the front panel control...