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Madman_jp

Madman_jp

Member Since 09 Apr 2007
Offline Last Active May 03 2013 08:07 PM
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Posts I've Made

In Topic: OS X 10.7 (Lion) install on Dell Optiplex 745

23 March 2012 - 02:25 PM

I did a bunch of reading before I even purchased the 745 SFF for a few bucks, then ordered the Core 2 Quad Q6600 2.4GHz 8MB 1066MHz from eBay. It was a private offer so it's not there anymore. I always only order with return warranty - that way one can usually be sure that parts were pulled from a working system. Guess I had good luck. Maybe your Q6600 is defective .. However, when you can still boot your 745 w. a working CPU, make sure you are indeed running the latest BIOS, load Setup defaults in BIOS, save, turn off, swap CPU, power back on. Sometimes it takes several times power-cycling.

Always make sure you have ALL (not just power) cables disconnected incl. monitor and LAN (which do send small currents into the mobo).

Also, try different RAM, or extract one module, or swap modules into different slots (1/3 --> 2/4). The higher CPU frequency can also effect the RAM timing. I've had all sorts of oddities on comps in the past when swapping parts, and getting new ones to work. Also try nothing in any PCI slot, and if that helps to have the mobo recognize the CPU, reinsert after recognition.

Good luck :) Above is pretty much all you can try.

Thanks for the Tip...gonna give it a try..If it does not work, will take the wife's e6700 and swap it with my e6300 :D ....

In Topic: OS X 10.7 (Lion) install on Dell Optiplex 745

23 March 2012 - 02:17 AM

BIOS 2.6.4. Core2Quad. Tried all sorts of bootloaders.



Kinda off topic Bugs, but was wondering how you got that Q6600 to run on your Optiplex. When I put mine in, the fan Just runs loud and no boot. I have The tower, and my CPU is the Q6600 SLACR MALAY 2.40GHz/8M/1066/05A... Any info would be appreciated... Other then that I have lion 10.7.3 running fairly nice at the exception of the sleep and No DSDT either. it boots to the loader, but does not start unless I manually chose the OS, which does not bother me too much since I have Lion, Snow Leo, and Win 7 on the same comp.
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