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  1. S

    Has anyone been able to install MacOS 8.6 or 9.2.2 on a Mac II or Quadra with a PowerPC upgrade card?

    I'm going to try this at some point but I'm happy to run 7.6.1 and 8.1 on that machine.
  2. S

    Has anyone been able to install MacOS 8.6 or 9.2.2 on a Mac II or Quadra with a PowerPC upgrade card?

    Thanks for the replies. I was hoping 8.6 or 9.2.2 would detect the PowerPC card the way 8.1 did and "just work". I'm not interested in hacking the installer so I'll just leave it at 7.6.1 and 8.1 and use 8.6 and 9.2.2 on my slightly newer PowerMacs.
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    Has anyone been able to install MacOS 8.6 or 9.2.2 on a Mac II or Quadra with a PowerPC upgrade card?

    If so, just wondering what the process was. I recently picked up a DayStar PowerPC 100Mhz card for Mac IIci. I use a ZuluSCSI on that computer. I was able to boot the Apple Legacy Recovery CD ISO via the ZuluSCSI and install Mac OS 7.6.1 and 8.1 on separate drive images on the ZuluSCSI. I'm...
  4. S

    Macintosh IIci does not shut down

    @David Cook, thanks for your timely advice about those three logic chips. My IIci won't turn on at all now, but at least I have a plan to fix the problem. I took a look at that section of the board. Whoever recapped the board didn't change the caps in that section and there's obvious crust on...
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    Macintosh IIci does not shut down

    Thank you for the tips and advice.
  6. S

    Macintosh IIci does not shut down

    I'm new to this so please forgive the noob question. I see that I'll need 2x 74HC132 and 1x 74HC74. I've looked on DigiKey and Mouser and it seems there are many variants of each IC. Which are the correct ones to purchase? Or how do I figure out which ones are correct? Is there a site that...
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    Macintosh IIci does not shut down

    Thanks for the advice!
  8. S

    Macintosh IIci does not shut down

    I picked up a IIci about a month ago and it's got the same power issue as yours. The logic board in my IIci was recapped. Not sure about the power supply. I'm leaning toward it being a switch issue. Looking forward to seeing if you are able to resolve this.
  9. S

    Anybody have experience with Radius Rocket Stage II cards?

    This is the RAM I'm using: https://www.ebay.ca/itm/152119480198 I got excited and bought 16 sticks (enough to max out both cards). 😅 I didn't know to try using the slot closest to the PSU. I have a SuperMac Graphics card in that slot. I'll do as you say and try them in the closest slot, one at...
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    Anybody have experience with Radius Rocket Stage II cards?

    (I posted this in TinkerDifferent a few days ago. So far, no response, so I thought I'd try here) I recently picked up two Radius Rocket Stage II cards via eBay. One of them seems to be working (kind of). The other does not. I'm testing them in a Mac IIfx. The one that's working is only...
  11. S

    Seeking Daystar Turbo 601 software

    Welp, I accidentally bid on this listing on Yahoo Japan Auctions. I was so excited to see the great condition of the box, manuals and disks, I didn't notice at fist that the actual accelerator card wasn't included. If I end up winning the auction, I'll be sure to upload any unique software to...
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