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  1. Charlieman

    Accelerators

    SE and SE/30 PDS are completely incompatible. If you line up the Daystar adapter socket with the SuperMac one mentioned below, the physical differences should be clear. That will probably work on a Plus, assuming that the processor clip still works after all these years. Dove would have made a...
  2. Charlieman

    Macintosh Serial Numbers

    The serial number is only displayed on the outside of a compact Mac. For a Mac Plus, the sticker is on the underside of the case. For earlier models, the sticker is next to the monitor brightness adjustment. Upgraded models retain the old serial number and the early front panel design.
  3. Charlieman

    Apple II items

    That's a basic expansion kit for a IIe: 80 column card with RAM expansion, disk controller and an Epson printer board. You should have asked the seller where the IIe system unit resides...
  4. Charlieman

    Let's talk Nubus DOS cards...

    Some general ramblings about NuBus PC cards and DOS emulation software... The Orange Micro cards were intended for DOS/Windows use. As I wrote at http://www.vintagemacworld.com/O386.html, it is possible to run other operating systems if you are willing to experiment. CP/M-86 should be a fairly...
  5. Charlieman

    Apple II Key Cap removal

    You need an Apple Keycap Extractor (part number unknown, but it does exist because I have one in front of me). Alternatively, buy a cheap pair of tweezers which can be opened up and bent. You need the ends to be 15mm apart so that they fit over the keycap comfortably. The "hooks" to pull up the...
  6. Charlieman

    Cleaning a 7200/90 motherboard

    Trag asked: That board design was used in some markets with a PPC 601 running at 120MHz in the PowerMac 8200.
  7. Charlieman

    Backup and Restore Software for System 6.0.8

    dmetzacher: Yes, you will lose the desktop files which apply file type associations. For a big disk with a varied application set (a Quadra or PowerMac used as primary work computer), this would be painful but not critical. For a small disk and a modest configuration, you may not even notice...
  8. Charlieman

    CF versus IDE HDD results

    The three tables at the top are interesting. For tiddly files (smaller than 128KB), the performance benefits on read access are modest, but these are the file sizes that are most common for Mac OS 7.6 Macs. Apart from the System file and Finder, how much in the System folder is bigger than...
  9. Charlieman

    Backup and Restore Software for System 6.0.8

    A simple Finder copy will capture most invisible files -- if you copy a container (folder/disk icon), Finder copies the contents. Exceptions might be the desktop files so you would lose application/file type associations if that was the case. However during the 25+ years that I have been backing...
  10. Charlieman

    Macintosh Memory Map

    Thanks for the descriptions above, which essentially define the 4MB RAM limit for most 68000 Macs. Presumably the Portable and some others were able to map the ROM to a higher memory location (and that when this occurred, the system knew the upper RAM bounds). Which leads to the question whether...
  11. Charlieman

    Macintosh Portable OS Reinstall?

    I would strongly advise against System 7.5.x on any 68000 unless you have applications that explicitly require it. Most enthusiasts would say that the best OS for a 68000 is 7.1 but if you don't have a copy, System 7.0.x with Tune-up is usually good enough. Whatever you decide, have a look at...
  12. Charlieman

    Sick Mac IIci Board

    Please can you define "the board is mute". No startup sound? No boings when operating?
  13. Charlieman

    Pinouts -- PrinterPort -> Chips ?

    Don't forget serial and floppy drive performance limitations, or the LC 5200 weirdness.
  14. Charlieman

    Opinion: Asante or Farallon?

    The Nvidia vs ATi comparison is a good one. For a brief window of time, one of the two will be slightly ahead in terms of performance or production quality; and both companies have their bad times. But for an LC PDS NIC, any "big brand" will be good enough. The Sonic that I mentioned was used as...
  15. Charlieman

    "Mini/30" Custom system

    When the Colour Classics enthusiasts were hacking, putting an entire PowerMac inside an SE/30 or CC would have been ridiculous. I am on my second Mac Mini, and I still marvel at its simplicity.
  16. Charlieman

    Opinion: Asante or Farallon?

    It is just an LC PDS NIC card, I'm afraid. Farallon probably contracted the design and manufacture. Assante may have designed it in house. Wherever it was designed, you should assume that the designers tried to do a good job. There are half a dozen other brands that you might recognise. I use a...
  17. Charlieman

    Getting files onto old compact Macs

    In the old Kermit days, you could type in a ridiculously long string and run EXEC to download your own copy of Kermit. Thankfully I have never used computers without access to the internet or bulletin boards (and I am one of the older contributors here, by age). On occasions I have been saved...
  18. Charlieman

    7.5.3 Network Access Disks

    You may, but anything that needs to write to the boot disk may fail. Try booting from CD and connecting to an AppleShare server.
  19. Charlieman

    TWO SLOT IIsi Nubus Card hack . . . (SE/30 hacks)

    Thanks for the pictures, Trash. My only concern is that with so many redirections, it is difficult to keep track of Pin 1.
  20. Charlieman

    Analog Board Cable Length and Timing . . .

    Power R and similar put a tap into that cable to feed an external monitor...
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