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    SE superdrive not able to read 800k disks?

    I did replace the original SE floppy with a superdrive, including the 3 roms. It works fine only with one disk, and this is the weird thing: 1) at boot, 800k disks does not work; the drive spit them out after a couple of spins. 2) None of my disks that were readable with the previous drive...
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    Open archive result in 0k file

    I will try with Basilisk too, I had little luck with that emulator, since I get black screen at launch for some reasons. The only 68k emu that I am able to run is mini vMac, and I am using a 100 mb disk file via hdexp131 to put data in and out the image; although I had no luck from day 1 with...
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    Open archive result in 0k file

    I see; so the issue is related not only to the software used to open the file, but to the file itself. I do recall that OSX use a 2 part file; where one is the visible part and the other is the actual data, hidden; I guess stuffit on windows is just taking the file part? I will have to prepare...
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    Open archive result in 0k file

    I am opening this archive on Pc (win 10) : http://macgui.com/downloads/?file_id=20337 The first time I decompress, I get a .sit file, so I decompress it again and I end up with a folder with 2 files. The problem is that both files are 0K; the archive itself is about 8K. Not sure if this is...
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    Upgrade SE to superdrive; which parts has to be swapped?

    Thanks! Rom high and low I think I know how to find them, but what about the IWM? Not sure what that is
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    Upgrade SE to superdrive; which parts has to be swapped?

    I do know that the hardware is different between a SE and a SE with the superdrive, but I can't find exactly what has to be chaged. At the moment I have 3 machines sitting on my bench, and I am making a good one out of the 3 parts :) One of them has a Superdrive; the logic board is not...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    I see, I did leave the logic board hanging on one side, and was able to fit the card in. The whole assembly close up, the connectors are a bit to an angle but so far it is booting up happily! I have no idea how to properly sit the logic board in, since I did notice that the major issue is a...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Thanks for the pic! This is the position of my logic board when I remove it; I slide it up briefly and once the tabs on the right are free, I pull toward me instead of sliding it up further, so I can disconnect the speaker and slide it off the rail on the right. So to put the expansion card I...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    I see, so it works even on a standard case? When you say "bend the left side of teh chassis outward", you mean the support where the motherboard slide in? The issue when I try to slide the motherboard in, is that one of the chip of the expansion board is actually hitting the top part, so I...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Ouch; they are both 800K+HD floppy models :( Is there a way to "mod the frame" so it won't have issues? I did notice that the logic board is inserted at an angle; which is why it can't fit the card. If it was going in straight, there is enough clearance to fit it, but the part where the board...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Thanks a lot!!!! Also is there a trick to put together the SE logic board, once you have the Accelerator card on it? I am trying to slide it on the bottom of my working SE and there is no space nor clearance for it to actually fit in the small space, since the board is touching the metal cage...
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Also does anyone have the radius SE accelerator software? I can't find it anywhere, and the only place where it was available does not have a working link anymore (Mac Driver Museum)
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    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Hi Peafour, I did not check the resistor, since I recall that there is no resistor if you have more than 2 MB (mine ahs already 2.5); but I forgot about the jumper. I will have to check it.
  14. I

    Mac SE memory upgrade issue and where to find the floppy for the Radius SE accellerator

    Hi all, I did order on Ebay a set of memory stick (1 MB) to max out my SE, but once I did install them, nothing good came out of it. At first boot with all 4 memory stick, the computer boot and no chime sound, the screen look like it has white rectangle all over it, while the sad mac logo is...
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    Create floppy from sit and sea.bin files on System 6

    I see, so the OS works as is, just copying the files on the drive? that is nice. Is the same also for other applications? I can get the various archives from the websites and move them to the SE via the SCSI2SD, but at the same time I was hoping to be able to make also the floppy as they were...
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    Create floppy from sit and sea.bin files on System 6

    I do have a pc, I use it with my USB floppy drive to make 720K floppy that I use among my other old computers that have no ethernet capabilities nor USB. The problem is that a PC drive cannot make variable speed 800K mac disks, which is wjy I am porting the images on the mac itself to make the...
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    Create floppy from sit and sea.bin files on System 6

    Greetings! I was lucky enough to find a cool SCSI to SD device that I can use instead of my hard drive on the Mac SE. I am awaiting for the device to be delivered, but I did realize that I have no clue about how old image files would work. The objective is to make System 6 floppy disks using...
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    Upgrading the SE: RAM and HD replacement + OS backup

    It is running System 6; I may be able to set a serial connection between the PC and the SE, although it is quite complex and I believe you still need System 7
  19. I

    Upgrading the SE: RAM and HD replacement + OS backup

    I see; so it would be possible but only if I have that software on the SE itself...dang, this is quite complicate :( I wish there was something like the ADF format for the Amiga; so I could compress disks and then write them back on the real SE. I was hoping the Mac has already in System a...
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    Upgrading the SE: RAM and HD replacement + OS backup

    Thanks Anthon; I have found these on Ebay; but ou said that they should have 8 chips... http://www.ebay.com/itm/4-pcs-4x1MB-30-Pin-SIMM-80ns-FPM-Memory-4MB-Apple-Macintosh-SE-Plus-II-/391557158565?hash=item5b2aa016a5:g:7LAAAOSwknJX1HF~ At this point then I will go for the SCSI adapter that use...
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