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  1. Compgeke

    iMac G3 DV SE recapping

    Yes you can, just make sure polarity is correct. Capacitors have progressed a lot over the years leading to smaller needed sizes for the same value.
  2. Compgeke

    Marathon Computer iRack DV

    I seen this on Craigslist for $10 and just had to have it. For those of you who don't know, Marathon Computer was a company who made rack mount things for Apple computers. Whether rack ears for your Powermac G4 or an entire case for your 9600. In this case, a 1U rack chassis for an iMac G3 DV...
  3. Compgeke

    Disable ram test on a Mac Plus; also, clock issues

    RE Clock: This is going to sound dumb, but have you checked the battery? If the battery is getting low it's going to drift.
  4. Compgeke

    Quadra 700 with battery damaged logic board

    It may just be that the power lines or something aren't making contact so it's not even recognizing there's something in the slots. It's hard to tell without removing them to see what's going on. Unfortunately finding replacements can be a bit more difficult, I'm not sure if anyone still makes...
  5. Compgeke

    SCSI2SD + Hard-Reset = No booting

    I've actually got a similar issue with my v5 board. If power is improperly removed, it corrupts the OS. When attempting to boot from it you'll get happy mac -> back to grey screen -> happy mac -> repeat. Doesn't matter if it's system 6 or system 7. Only real fix I had was to recopy the...
  6. Compgeke

    Quadra 700 with battery damaged logic board

    If you've got a long enough cable you can. With a double connector cable and a molex splitter you could even do hard drive and cd off the internal connector, just can't mount the CD.
  7. Compgeke

    iMac G3 (Rev A -> C) G4 CPU Upgrade

    The real issue with the IBMs is they have their own non-removable motherboard cache and as such don't like having it on the CPU. If I had a G3 ZIF without any cache it just might work. No idea on how they handle multiplier. They were offered in two different versions, a 233 MHz 604 and the 375...
  8. Compgeke

    iMac G3 (Rev A -> C) G4 CPU Upgrade

    Worthy of note on the IBM computers with a ZIF: They're just a CPU card without any cache or anything. Good chance it's just the 60x bus directly on the pins from the CPU, possibly even in the same pinout as the BGA chip. If someone wants to grab one and desolder the chip, it'd be possible to...
  9. Compgeke

    Performa 6200CD Won't Boot from CD

    I'd go ahead and try finding another install image and see if it works instead. Sometimes the discs will mount but not boot. Sometimes they'll boot on one system but not another. Another alternative if you have a USB IDE adapter is to use sheepshaver (or emulator of choice) to install the OS...
  10. Compgeke

    Performa 6200CD Won't Boot from CD

    Do you have any other systems to try the CD with? Being a home burnt CD it's entirely possible the issue is with the CD rather than the system itself. It'd be worth tracking down another image (even if it's another version) and see if it works.
  11. Compgeke

    Flashing a PB3112 SATA card

    Here's my method of doing it easily:  There're a few other ways if you dig around the forums, although I had various levels of success using them. The Wiebetech ROM is easy to flash but it won't work under classic Mac OS. The Seritek ROM is a bit more difficult to flash but it'll work with...
  12. Compgeke

    Ground Fault Circuit Interrupt - cheap fire insurance for vintage collection etc?

    ^ That's the kind of situation with a GFCI (RCD) should've helped. The chassis on an ATX PSU is almost always directly grounded and the short to case would've tripped it over.
  13. Compgeke

    Powerbases, L2 caches, and some chips.

    In that case, the cache dimms are compatible between all the PCI macs to the best of my knowledge. Trying to find a 1MB one is a bit difficult though, all the ones I've had were 256K or 512K. 
  14. Compgeke

    Powerbases, L2 caches, and some chips.

    Beware, good chance of magic smoke if you try this. It's very unlikely the pinout is the same between an IBM and a Mac.
  15. Compgeke

    Connecting my 1400c to wireless network

    Is your wireless an 802.11b with WEP (or unsecured)? Unless it meets those requirements, you're going to run into issues. The Wavelan based cards don't support WPA, WPA2, Wireless G(N, etc) and only do WEP or no security. A good workaround for this is to go find a Linksys E1000 or something at a...
  16. Compgeke

    Bridge Mac

    Late 90s PCI mac, any of them. Onboard features include serial ports, SCSI, 1.44 or 800K floppy, CD-ROM. Easy to throw in USB or ethernet card and if you want to hot rod the things, G3/G4 upgrades for something like an 8600 are relatively cheap and common.
  17. Compgeke

    50pin to 68pin SCSI adapter

    Any generic passive adapter will probably work, providing the drive will run in 8-bit mode. I personally use ones like https://www.ebay.com/itm/Monoprice-76-SCSI-HPDB-68-Female-to-IDC-50-Female-Adapter/371310538092 however you'll need to look around for ones that ship to your country. I've tried...
  18. Compgeke

    Quadra 700 with battery damaged logic board

    As far as battery damage goes, it's far from the worst. I'd suggest cleaning it up and seeing how many traces are damaged. You'll need to desolder the ram slot closest to the board as well to clean under it and replace it.
  19. Compgeke

    Thinking about a Beige G3 - Questions

    It really doesn't help that something like their top end system, the 9600, only used a fast SCSI 2 interface, not even the wide SCSI 2 or better yet SCSI 3. 10 MB/s was the theoretical max transfer rate, which compared to ATA-66 was about the same. Had they went ahead and used SCSI-3 on the 8600...
  20. Compgeke

    PB G3 lombard, ibook g3, 1400c battery recell/replacement

    On the 1400 side, yes you could use AA batteries however the battery capacity will be a bit less, about 71% of a brand new perfect condition battery. A 4/3A will hold ~3500 mAh vs ~2500 mAh for a good AA (Eneloop). I looked into it myself and came to the conclusion it's more cost effective to...
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