My 1st Craigslist PPC Deal (was: Todays Craigslist Deal)

Discussion in 'PowerPC Macs' started by Hack5190, Jan 6, 2016.

  1. Hack5190 macrumors 6502a

    Hack5190

    Joined:
    Oct 21, 2015
    Location:
    Stuck on Earth in the USA
    #1
    I've been looking for an upgraded video card and found a NVIDIA GeForce 6800 Ultra on Craigslist. The card is a big improvement over the old one (details here).

    Included with the video card were 2 G5's that don't boot. One is a 1.8 PCI-X - poor condition, case is damaged. The other a 1.8 DP PCI-X - fair condition, case has scratches and marks. Neither unit has a hard drive and the memory modules are odd - literally (3 in 1 unit and 5 in the other). Both had AirPort Extreme cards, no antennas.

    At some point I'll inventory them, clean and test the dual processor unit. Being the same model as the G5 I'm using I will keep it for spare parts.

    [​IMG]
     
  2. Hack5190 thread starter macrumors 6502a

    Hack5190

    Joined:
    Oct 21, 2015
    Location:
    Stuck on Earth in the USA
    #2
    Started stripping the single processor system today and found a modem card. But the good news is that I was able to get the dual 1.8 (aka: the parts system) booted :D
     
  3. Hack5190 thread starter macrumors 6502a

    Hack5190

    Joined:
    Oct 21, 2015
    Location:
    Stuck on Earth in the USA
    #3
    Cleaned the dual 1.8 today and tested both airport cards - good news is the machine cleaned up nice and both cards work!

    The bad news is that the dual 1.8 freezes at random intervals every time - plus it won't boot on occasion :confused:. According to the official Apple service manual next is re-seat the CPU's. If that doesn't work I have a spare CPU (from the 1.8 SP that I'm stripping) to swap in. Now the fun part starts....
     
  4. gavinstubbs09 macrumors 65816

    gavinstubbs09

    Joined:
    Feb 17, 2013
    Location:
    NorCal boonies ~~~by Reno sorta
    #4
    You remind me of my old 2.7GHz G5s, always swapping parts until something worked. What a nightmare and I no longer own either of those machines, but my current 2.3 is actually an original 2003 Dual 2GHz with early 2005 2.3 internals (gutted the 2.3 to make my G5 HackMac case). I did retain the smaller G5 processor covers when I swapped in the 2.3 so it looks like an original 2003.
     
  5. Altemose macrumors G3

    Altemose

    Joined:
    Mar 26, 2013
    Location:
    Elkton, Maryland
    #5
    Run ASD to determine which CPU is bad before you start ripping everything apart. Remember CPU A is up top with CPU B on the bottom.
     
  6. Hack5190 thread starter macrumors 6502a

    Hack5190

    Joined:
    Oct 21, 2015
    Location:
    Stuck on Earth in the USA
    #6
    Both CPU's passed ASD and Apples hardware test. Today I was able to associate the lockup's to heavy gpu usage.
     
  7. Hack5190, Jan 12, 2016
    Last edited: Feb 8, 2016

    Hack5190 thread starter macrumors 6502a

    Hack5190

    Joined:
    Oct 21, 2015
    Location:
    Stuck on Earth in the USA
    #7
    A big thank you to everyone who offered advice. But between video and reliability issues it's time to give up on this unit.

    My craigslist find yielded an NVIDIA GeForce 6800 Ultra video card and airport card (both in my 'good' G5). Not to mention a complete dual processor 1.8 parts machine (less one dodgy motherboard). Overall it wasn't a bad purchase :D

    UPDATE: The conclusion to this saga can be found here http://forums.macrumors.com/threads/dual-to-single-conversion-saves-g5.1955062/
     

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