Illustrated Tour of the Installation Process

Steps to upgrade from a PowerMac 72x0 to a PowerMac 7500

Tools You Need:
Flat plated screw driver

Step 1:	Prepare your computer
	Unplug your 7200.

Step 2:	Open your Mac
	There are 2 tabs under the front plate. Push these tabs up while pulling the top towards the front. Slide it towards the front for about 1 inch.

Step 3:

Your Mac should look like this:

Step 4:	Gain Access
	Flip the right-side Ôholding legÕ to the right. Flip the left-side Ôcard-holding plasticÕ to the left.

Step 5:	Gain Access
	Unlock the power supply and disk mounting plate (on two places) and flip it to the right, make sure it rests in the Ôholding leg.Õ

Step 6:	Remove all DIMMs
	The Cache DIMM is located next to the CPU (CPU is under the heat sink). The VRAM DIMM is located to the left of the RAM DIMMs (there is only one VRAM DIMM). The RAM DIMMs are the 4 rightmost DIMMs.
	Disconnect cables
	Disconnect all cables on the right side. Disconnect the loudspeaker and the LED cable on the left-front side.

Step 7:	Remove switch
	Remove the push-button extension (watch for the locking tap).

Step 8:	Loosen logic board
	Unscrew the screw in the center of the logic board (part of the plastic stand-off).

Step 9:	Remove logic board
	Remove the logic board by holding down the two tabs in the front of the logic board while sliding it towards the front. Lift the logic board with the backside first and store it on an antistatic place.

Step 10:	Install new logic board
	Install the 7500 logic board in the reverse way as you have removed the 7200 logic board.

 

Step 11:	Install new logic board
	Install the stand-off with the screw back in the center of the logic board.

Step 12:	Reconnect cables
	Install all the cables on the right side.

Step 13:	Reinstall switch
	Install the push-button extension on the left front side.

Step 14:	Reinstall loud speaker
	Install the loudspeaker and LED cables on the left front side.

Step 15:	Install the DIMMs
	The Level-2 Cache DIMM is marked by the word ÔCACHEÕ written on the logic board. The VRAM DIMMs are marked with ÔVRAMÕ, you must install the VRAM DIMMs in pairs of two of the same size. The RAM DIMMs can be interleaved in pairs of two (must be of the same size).

Step 16:	Install the optional AV-In/Out Module325
	Remove the plastic cover from the back.

Step 16a:	Install the optional AV-In/Out Module
	Install the card from the inside and fasten it with the two screws.

Step 16b:	Install the optional AV-In/Out Module
	Connect the cable into the socket to the right of the three PCI-sockets.

Step 17:	Reinstall power supply
	Flip back the power supply and disk mounting plate and lock it in place (watch the black plastic underneath the plate).

Step 18:	Insert CPU card
	Install the CPU daughter-card into the CPU-connector below the Audio/Video connector and to the right of the PCI connectors.

 

Step 19:	Close computer
	Flip the right-side Ôholding legÕ back to the left. Flip the left-side Ôcard-holding plasticÕ back to the right.

Step 20:	Close the cover
	Reattach the cover.

Step 21:	Reconnect external cables
	Connect all the external cables back into place.

Step 22:

Enjoy your increased speed