Running dual processor on early Quicksilver board

I'm back to a Sawtooth because my 1ghz dual processor is panicking. Diagnostic in Tiger says the external cache is bad and I understand that I have to shut the cache off every time I boot by if I use CHUD to disable the L3 cache ( which I am very scared to do).
Because I'm more a MacButcher, I figure that running the dual processor on an earlier (733mhz) board which doesn't have the rom to enable the L3 cache might be a possible workaround. I'd then swap motherboards and run the dual limping a little on the earlier motherboard and slip the 733mhz processor in the later board and resell.
Does this all sound possible? What should I watch for? I realize the dual processor would run slower than intended, but it would be better than using the 500mhz Sawtooth and cheaper than buying a new processor.

Hi
I could be wrong, but I thought the level 3 cache was only not recognised if you installed a Quicksilver processor card in a Sawtooth or Gigabit Ethernet logic board, as these originally came with G4 variants that didn't have any level 3 (just level 1 on the processor die and level 2 on the processor card). If the 733MHz logic board is from a Digital Audio or Quicksilver, I wouldn't be surprised if the level 3 cache was recognised, as these shipped with G4 variants that could support level 3 (regardless of whether Apple actually chose to provide the extra cache on some of the models). I'd be surprised if there were any boot ROM differences - I'd imagine it just says if there's level 3 cache available then use it. That way Apple could have one unified logic board/boot ROM and just drop in different processor cards with or without level 3 cache. There are some reports in the CPU Upgrades database at xlr8yourmac.com which seem to suggest a 733MHz Quicksilver can be upgraded with a card pulled from another QS and the level 3 will be recognised.

Similar Messages

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  • Dual Processor P4 motherboards

    Anyone know if MSI make a Dual Processor P4 motherboard?. Want to get 2 P4 3.2Ghz processor kit etc built into a Vapochill box. Hope they do make one.

    You are out of luck Dude , Because as Matter of Fact, I have never even Heard of a Dual P4 Board , I have Seen Dual Xeon, and Dual Itainium Boards, Because Dual CPU Boards are Mainly Used for servers Not For Desktop and Gaming Use, And they Require 24 Pin PSU's Not the Regular 20 Pin Main Connector... And the Only Manufacturer of Dual CPU Motherboards is TYAN....And the Only Semi-Desktop Dual COU Board that I am aware of, is the TYAN Tiger Dual Athlon MP Board, INTEL Never Intended the Northwood, or Prescott CPU's to Run in a Tandam Configuration, Thats why they Came out with Hyper-Threading Technology, and I am almost positive that is the Closest that you will get to a Dual CPU P4.......You Can Build a Dual Xeon Rig but at $1000+ for Each CPU, for a rig that wont be faster at Most Gaming and regular Desktop apps. then a regular Single "Northwood" P4, and Most Definitely Slower then Either of the Extreme Edition Northwoods (As these EE Northwoods are the Closest thing to a Xeon, as the EE also has a 2MB L-3 Cache)........I could be wrong about the Dual P4 Boards Existance but I doubt it.................Sean REILLY875

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