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Recent content by Powertrip

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    PowerExpress/PowerMac 9700 Prototype

    This is even more epic than my Daystar Unicorn. Glad it still fires up!
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    Powermac 9600 w/ 400 MHz G3 Upgrade

    Amazing find! The 9600 tower is my favorite of the Apple designs, and you got a well configured example in what looks to be amazing shape!
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    PCI Bridge in a Beige G3 Tower

    Try this if you can: Have one monitor on the onboard graphics, and another on the PCI graphics card.  I ran into many graphics related troubleshooting headaches working on a few G3s and 8600/9600 towers last year.  In the end, it took zapping PRAM, a fresh battery, and 68kmla positive mojo.  If...
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    powermac G3 Beige G4 Upgrade

    I also got one of those 800MHz G4 ZIFs from the UK recently.  The problem with using faster CPUs was the voltage regulator module (VRM).  The Raytheon VRMs are good to go.  The other brand will be hit or miss.  the ZIF CPUs from the G4s will work fine even though they were designed for a faster...
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    What makes the 68k processors so cool?

    Very cool find! I was also not aware of that community.
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    G4 processor upgrade question

    Thanks for the input, guys.
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    I've had enough! SCSI-2

    This stuff is crazy interesting to a guy who is intimidated by soldering and board level repair and upgrades. And it is so very cool to have people with this knowledge and talent in our community!
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    G4 processor upgrade question

    I did, but that seemed mostly to discuss the difficulties of OEM processors versus aftermarket upgrade and whether those were made compatible between my two generations. ETA: It seems like an upgrade was made to work with a Sawtooth that was originally for a QS but had to do some software tweaks.
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    G4 processor upgrade question

    So back in the day when I got my collection of college macs, I got several 733MHz Quicksilvers and several 400MHz gigabit models. The GBs all had Gigadesigns 800MHz upgrades with 2MB cache. Now I am going from memory but I recall swapping the upgrade CPU from a working GB to a working QS but...
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    Daystar Genesis MP startup hang troubleshooting

    One of two in my possession.  The other one however will not start.  Press the power button and I get a click and then nothing.  Currently trying to resolve the same issue with a 9600/350 and I was thinking they were both bad PSUs.  However I just swapped a known good PSU out of an 8600/250 into...
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    Daystar Genesis MP startup hang troubleshooting

    Next on the list is to figure out the best way to copy the drive and archive it before doing much tinkering.
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    Daystar Genesis MP startup hang troubleshooting

    Good to know!  My banner is actually *above* the Welcome to Macintosh" window! So with the control panel, I can upgrade to at least an 8.x system and still have the functionality of the Daystar quad CPU board??  That would be awesome!
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    Daystar Genesis MP startup hang troubleshooting

    So first thing this morning I tried step 1 above.  And discovered a huge mistake I made upon setting this machine up that thankfully did not lead to Bad Things. I unplugged a cable leading to the installed PCI ATA card, and I unplugged my mistake.  With the way that the SCSI cable was routed, I...
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    FPU and SCSI2SD for LC550

    Very nice project and results are looking good! I have never been a fan of the All In One Macs, but I very much enjoy watching a project someone is passionate about come to successful completion. I hope you get much enjoyment out of your rejuvenated machine!
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