• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. Simon_Carr

    Shutdown issues...

    Hello, back again now that the autumn/winter has returned and I've put down my bike and picked up my Centris again... Bit of an odd question here, but I'm a bit foxed... My Centris starts up okay, but when I come to shut it down again, it does that just fine, but then instantly restarts. I've...
  2. Simon_Carr

    CD Drive issue...

    Okay, my Centris is back up and running, but I'm continuing to have problems with the CD drive in the system. It is an original CD drive with Caddy (I think it was made by Sony), and when I started having problems with the Centris, I inserted a System 7.5.3 CD in a caddy into the drive. To cut a...
  3. Simon_Carr

    Start-up problem Centris 650

    Hello Again, Having got my maxxed-out Centris back up and running a couple of months ago, I've suddenly hit a problem. I was installing Mathematica on the Centris a few weeks back, when suddenly it all went awry; I don't think it was anything to do with the installation of Mathematica, but...
  4. Simon_Carr

    Iomega Zip 100 Plus Drive

    I've got an Iomega Zip 100 drive connected to my Mac Classic through the external SCSI port (with a SCSI 5 ID), and it works just fine. However, I've just picked up a Zip 100 Plus drive and tried to connect that to my Mac Classic instead of the usual standard 100, and I am simply not getting any...
  5. Simon_Carr

    Setting up ethernet and Internet....

    The latest thing for my Centris 650 is to connect it to the Internet and set up Eudora 3.0 for my personal email account and using iCab/WannaBe/Netscape Communicator 4.0 for a bit of a chuckle. The Ethernet port the Centris is connected to is one of two on a TP-Link Powerline system connected...
  6. Simon_Carr

    LocalTalk and StyleWriter II Printer Sharing

    I think I already know the answer to this, but I thought I would ask anyway... I have two 68k Macs (a Centris 650 running 7.5.5 and a Classic running 7.1), both of which I use for writing and database stuff at home. I also have a StyleWriter II printer which works really well and is completely...
  7. Simon_Carr

    Analog Board Caps

    While I am on the topic, I just wanted to query whether it is appropriate to replace the Power Supply capacitors like for like... I know that C1 (CP1 on my board?) is often suggested to be changed for something else, but before I start ordering all the assorted caps, I thought I should check...
  8. Simon_Carr

    Upgrading/Refurbishing a Classic

    Hello All, Having finally maxed out my Centris 650 (just awaiting the delivery of my final bank of 64Mb of RAM to top it out at a full 136Mb), I'm now turning my attention to my lovely little Mac Classic that was recently given to me by a friend who has had it since new. It is completely...
  9. Simon_Carr

    Creating CD-Roms in OSX that can be read by a 68k Mac

    Now I have my Centris 650 up and running in a totally gorgeous way, I've now hit a new problem that I didn't anticipate. I've spent an hour or so going round in circles courtesy of Google without much joy, hence I am posting again! The short question is "Is it possible to burn CD-R's using OSX...
  10. Simon_Carr

    Fitting a SCSI2SD in a 68k Mac

    Okay, as promised, here is my idiots guide to installing a SCSI2SD to replace a defective HDD. This has been tried and tested in my Centris 650, but should be broadly applicable to any 68k Mac. Thanks to gadget, rezwits and olePigeon for helping me to get it right over the weekend! Actually...
  11. Simon_Carr

    SCSI2SD..... Tearing my hair out!

    I have a Centris 650 that I have been slowly refurbishing over the past few months (yes, that slowly), starting off by recapping all the electrolytics in the PSU, giving the PCB a thorough clean and getting it ready to add 64Mb of RAM, a NUBUS card and, most importantly, replacing the old...
  12. Simon_Carr

    RAM related error codes, Centris 650

    I have just recently added 2 X 32Mb DRAM sims to my Centris, both brand new, made by a company at confirms these are compatible specifically with a Centris 650. It started perfectly first time, and I used it for an hour, amazed at the speed increase from the 16Mb specification it was when I...
  13. Simon_Carr

    Capacitors for Centris 650

    Hello! first post here, although I have been reading and following threads for a few months now. I've recently started acquiring old Macs (I've been collecting and restoring 8-bit Sinclair computers for some years, and have now stepped up to classic 68k macs), and I now have a working Mac...
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