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REA Procedures Repair Overview for Freezing and Video Color Hue Issues - 2
Power Mac/Performa 52xx, 53xx
Perform these steps for Power Macintosh/Performa 52xx,
53xx computers exhibiting system freezes:
• Note the unit’s external cable hookups.
• Remove the I/O door.
• Remove the logic board.
• If the clock chip at U10 is not p/n 343S1191 or
343S1121, replace the logic board. (Ignore any letters
following the part number.)
• If the Cache/ROM DIMM is laid out
exactly
as illustrated
and has
no
sticker on the middle vertical IC, replace the
DIMM.
• If an Ethernet card is installed and the card fence doesn’t
hook onto the logic board fence, replace the card fence.
• If you are not replacing the logic board, replace the EMI
clips.
• Upgrade RAM for U.S. and Canadian Education customers.