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  1. I got 2 Macintosh classic's (with some other stuff) not so long ago, and when I booted up the Mac classics, they both had this line (see picture, although one of them was a little dimmer. Also one in the pic has had varying results). One of them crapped out while I was trying to fix it and smelt like burn, but the other one still shows a line. I haven't really been able to find anyone else with this problem, so how do I fix this?
  2. I just got my hands on a new IIfx upgrade board (not the one that just sold on eBay for 600, I actually lost that) from an old Apple dev I met on Facebook. The thing was pristine but of course I recapped it to eliminate variables, and after getting all the parts together it's not booting. Instead what happens is the power supply comes to life, and the two floppy drives start firing off like crazy and chirp wildly for a second. There's no boot chime or death march chord, and the speaker/psu/drives all worked fine when this was still just a IIx. Any suggestions? I'm getting desperate
  3. So I acquired a Macintosh SE/30 this weekend, it was recapped, upgraded to 68MB RAM and had a SCSI2SD interface set up. Unfortunately I was naive enough to think a few months of watching YouTube videos would prepare me in handling this. I tried flashing a BasiliskII image onto the SD card thinking it would boot from there, but I guess formatting it raw like that removes the SCSI drivers, so the system doesn't read it. After finding the thread on initializing SCSI2SD on here, I realize I have to begin from scratch. I placed an order for the 7.3.5 Disk Tools disk set and began prepping for
  4. I am having issues with my Macintosh 512k. The machine will usually boot with the checkerboard pattern shown in the pictures. Sometimes it will make a very distorted sound on boot. The issue is not with the crt as it has been tested with other boards. Occasionally the checkerboard pattern will change. I suspect the the issue is with the roms installed. I have tried cleaning the roms but this does not change the issue. I am curious if any one else has ever had a problem similar to this.
  5. Hello, I recently bought a 128k Mac (non-functioning) and the seller told me that he thought that the 74F253 Ram Multiplexers were bad. But after replacing them with new Motorola ones, the screen still has the same issue. Here is a photo: I have no idea where to got from this point and a google search came up inconclusive. Please Help!!
  6. Hi, I bought Macintosh Plus (with 2.5Mb of ram) with CMS external SCSI hard drive, i also bought sealed and new system 6.0.8 floppy disks, i installed them on CMS external hard drive; when i open scrapbook or control panel or file manager, co-processor not installed error pops up, it keeps happening every time i open scrapbook or control panel or file manager. Please help me.
  7. Hi there, I have got a macintosh classic with a broken motherboard. It gives horizon lines and doesn't boot. I have tried a lot. I have cleaned the motherboard with alcohol, I have cleaned it in soapy water, I have replaced all capacitors, I have checked the traces and contacts, all with no succes. When I got this mac it had a bad battery leak but thankfully no traces were erased but I think (having tried almost everything) some chips got effected by the battery acid. What else can I try other than replacing the motherboard? All sugestions are more than welcome! Thanks, Luuk.
  8. I got it. I am overly pleased to say the least. by the way, did I mention I got all of this for $300? everything is in mint/brandnew condition. Everything. Zero corrosion anywhere and besides the slight yellowing, its basically brand new. The mouse and keyboard, software, and the entire macintosh and carying bag are mint. The software is still sealed and also looks brand new. The motherboard is the old one with the purple ceramic CPU. The CRT is also one I have not seen yet and has a slightly more yellow tint to the picture. There is no burn in and the screen is very bright, Brighter than my 5
  9. MacSE

    Macintosh Plus

    Just picked up a Macintosh Plus for $20. It came with keyboard, mouse, an external SCSI hard drive that doesn't work, and a Targus carry case. It works fine as soon as soon as I insert a boot disk. It hasn't yellowed from exposure to UV light, and doesn't need to be retrobrighted yet. I couldn't pass up such a good deal!
  10. So now that I've gotten my hands on a Macintosh SE/30 to fix up, I went and checked the seller's conclusion on what was wrong it. According to him, the CRT wouldn't come on, and he suspected the analog board. To put that theory to the test, I swapped boards between my working SE, and the SE/30. The SE in the SE/30 chassis booted, and was happily driving the CRT. Thus, the issue was not with the SE/30 analog board or CRT. And to be expected, the SE/30 totally failed to boot in the SE chassis. The seller thought the SE/30 didn't chime because the speaker cable wasn't plugged in, but his memory f
  11. Hello people! I recently acquired a Mac Plus while doing a clean out of my grandfather's old factory. The keyboard and mouse were FUBAR, as they had been left under an old can of paint which leaked all over them. He said that there was also a hard drive somewhere, but we couldn't find it. I scrubbed as much old paint of this Mac as I could, and besides from a rather even coat of yellowing, it seems to be in pretty good nick. I took it home and plugged it in, and it made the start up bong and the floppy drive made noises, but the screen never fired up. I cracked open the case and be
  12. Hey guys! Recently I managed to pick up a Macintosh Classic in very good nick, however, it wasn't working. The previous owner told be that he was using it one day, and the Mac made a bang and stopped working. He said that the fuse had gone, and that I would simply have to plug in a new fuse. I took it home and tried to power it up again just to see if I was lucky, but sure enough, it was broken. I didn't hear a hard drive spin, no beep, no CRT noises, nothing. I cracked it open and sure enough, the fuse was missing. I bought an equivalent fuse and plugged it in, I powered it up, but st
  13. Hey there. I've got a Color Classic that no longer wants to turn on. When the switch is flicked, you can here it it energize or whatever you want to call it, then when you press the on button on the keyboard, it tries to turn on, then makes a chirping noise and shuts off. I've re-capped most of the board except the big capacitor(no one has one). Any ideas? Thanks I think my mic on my phone is busted.
  14. Hi all, I've just had a new / vintage macintosh arrive at the lab See the following video on my Youtube channel to find out what it is, have a tour and do some gaming Hope you enjoy, Steve https://www.youtube.com/watch?v=__yarkfWf_Y
  15. Hi everyone, I own a Macintosh SE/30 with 5MB of RAM, 200MB HDD running with System 7.0 I know it's possible to connect one of these machines to the internet but I'm aware that's it's not an easy task ! Basically, all I know is that I need an ethernet/SCSI card. But I have no idea precisely what kind of ethernet card I need. And I don't know which software to use. Could you guys give me some advices ? I didn't manage to find any tutorial about this subject. Thanks !
  16. Hi everyone. Have a question. Is it possible to pop in an audio CD and have it played through the Macintosh? I have not been able to get this to work on any machine that did not physically come with a CD rom drive built in. Am I missing something here or??? I mostly want this for the pizza box macs like the LC, LCii, LCiii and the LC475's series computers. Thank you very much.
  17. Just scored an apple iie with 2 monitors and a duodisk, a working macintosh se/30, a nonworking macintosh se (sadly ), an apple 400k external floppy drive, an atari 400, an atari 800xl with 1050 external floppy drive, a tandy color computer model 2,a texas instruments 99/4a, and a commodore 128! I only paid $130 for all of it!!
  18. Hello everyone I'm trying to troubleshoot a 1MB logic board (820-0174-C). It doesn't chime only does what I posted in the video. I tried reseating ram, booting only with 1 stick of RAM, etc. reseating and cleaning hi and lo ROM DIPS. Voltages are good from a good, working analog board. The -5 voltage regulator on the logic board measures okay (-4.999 volts). I hear the TSM DIP can go bad too. Any other ideas as to what might be wrong? Any other guides for troubleshooting the logic board. Please watch attached video. Thanks everyone. trim.524A3B4F-052B-44CA-9011-5E24ED3DEFEC.MOV
  19. I have a macintosh 512k and keep getting sad mac error code 024280, I have found out i need to replace the ram. I did a google search of it, but couldn't find the right ram. RAM= NEC d41256c -20
  20. Anyone here ever used this card? It's a video capture card for select models of Quadras, Power Macs, and LCs. It supports s-video and composite and it allows you to use your Mac as a monitor for game consoles as well. I saw it on ebay and it looks pretty neat, but I would have to buy one of the compatible Mac models in order to use it. The box doesn't specify the exact model numbers that support the card, so I have to look online for a list of compatible models. Do you guys think the card is worth getting? I'm already thinking of getting a desktop 68k Mac anyway, so this would be just
  21. I purchased a Mac plus online from someone for a few bucks because it wasn’t working, so I decided to repair it myself plus it would be a great opportunity to learn about computers since I am pursuing in that field. I am having trouble with it. Symptoms: At startup the chime sound comes on, but I get a sad mac icon with a checksum of 0101A0 with some morse code on the bottom. Steps I took to try and solve the issue: I looked it up and it’s a ROM test failure. I tried resoldered the ROM sockets, but with no avail. I also tried replacing the simms with new ones, still didn't work.
  22. Hello, I was wondering if anyone could help me with booting off a JAZ disc. I recently acquired a Macintosh SE, however the hard disc is dead. I have a JAZ drive that I've never used before, and was wondering if I could get it to boot my SE. I plugged it into my Beige G3, formatted the disk, and installed system 7.1 on it. I left the disk in the drive and plugged it into my SE. I turned the jaz drive on, then the SE, (as I've been told it will act like a regular HDD if I do this). However, upon startup, the SE doesn't even seem to access the JAZ drive. I have tried setting the internal termina
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