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Found 36 results

  1. Hi to everyone! I am new to the forum, and need some help with my Macintosh SE FDHD. I just refurbished and fixed one Macintosh Classic and it works perfectly except SCSI HDD (which sometimes requires side kick to start spinning), for which I already purchased SCSI2SD on eBay and can't wait for it to arrive. Anyway, I started refurbishment of mentioned Macintosh SE FDHD which was in absolutely terrible condition due to battery leakage (more like battery explosion, as it looked like from inside), everything was oxidized ... totally dead. I washed every part of it, besides HDD and floppy, as I did with Mac Classic and I managed to recap everything (except HDD and floppy drive ... really not deeded) and I fixed analog board (few transistors and diodes were shorted). I had to swap RAM with new RAM sicks (now it has 4MB), but when I plug it in and turn the switch ON, HDD starts to spin, but screen is totally black. OK, I did not put any battery back to the mother board (I will ... these days), but this should not be the reason why the screen is black, right? I know that there must be some signal generated by that big VLSI chip, but I cannot probe it with the scope because I do not know where to start since the schematics for Macintosh SE is nowhere to be found on the Internet. Of course I can look for datasheets of the ICs, but it will take forever. To be more specific the motherboard model is 820-0250-A (1988). I found some schematics for SE/30 but not for SE FDHD. Does anyone has schematics for motherboard model is 820-0250-A for SE FDHD, or maybe knows where to find it? If you do, please share.
  2. It's a Newlife Computer Corp CD306C expansion card for the Macintosh Se. I don't know how much, but it adds more RAM, I'm unsure if it's an actual accelerator card with a 68030 processor. Also it has an empty socket. Does anyone have any information on this? I would really appreciate this.
  3. So I acquired my Macintosh SE back in early 2017, when it was fully functional and usable. Since then there have been numerous problems with the machine, the hard drive failed first and it took until recently to replace it with a 50 pin Quantum LPS drive, the floppy drive failed after shortly after the hard drive and was replaced promptly and then the screen began displaying an unusual pattern out of the blue. The images, albeit of relatively poor quality due to my lack of a good digital camera- I am a strong believer in photographic film, attached show the patterns. The startup bong occurs and the computer does boot, but the screen is very bright and it is hard to see the desktop. One can faintly see the boot disk icon in the centre of the screen, this can only be seen when the brightness is turned down. In an attempt to solve this I turned to the 'Dead Mac Scrolls', this provided several paths for repair. The guide first suggested replacing the SN74LS38N chip, page 168. Looking back I this was probably a waste of time, being that turning down the screen brightness reveals how the screen has both video and raster. This didn't work and so my next step was to adjust the cut off on the side of the analogue board, as suggested on page 167. This also didn't work and thus I elected to replace the 2N3904 transistor on the CRT board, suggested on page 169. This also had no effect. The most recent attempt, as suggested on page 166, was to replace the R20 and R21 resistors on the analogue board. This too has resulted in failure, and I have run out of ideas as to what could be wrong. Looking through some other threads, it appears some others have had success applying the aforementioned methods but not with me. Could anyone hypothesise what is wrong and what parts should be replaced to repair it? Being a student in a remote part of England precludes swapping parts with other 68K Macs and importing a complete replacement of the analogue board due to remoteness and excessive cost. I simply must try and replace parts until it works, I don't have a community to swap boards with in my local area! Thank you!
  4. curtiscoffee

    Macintosh SE Not Working

    Hi, This is my first post on these forums. I felt this would be the best place to come to ask how to get my Macintosh SE working again. So I managed to get my hands on this Macintosh SE. It came with the original manuals, mouse, keyboard, and even a carry bag! I paid around $5 New Zealand dollars for it. Yes I can't believe it either. So when I got it home, I plugged it in and it turned on, and it worked! I think that the disk drive is dead, because it just had the disk logo with a question mark and ejected the yellow protector disk. I left it on for a few hours. I then noticed a burning smell and smoke came out of the back of it. I opened it and being very careful i turned it on and i noticed that the flyback transformer was arcing and the monitor wasn't turning on, But I did get the start up sound and the fan was running. At first I thought a cap had popped on the analog board, but after inspecting it they all look perfectly fine. Also checking the main board it looks perfectly fine and the battery hasn't leaked. Has anyone else had this problem before? Any help would be greatly appreciated.
  5. AgoraRoad

    What vintage macs do you own?

    Here i have a Macintosh SE/30s that i found on the side of the road with a bunch of keyboards. Only one of them is working but i need to save up for a Floppy Emulator drive to really get this going!Post what you got below! http://www.agoraroad.com/macforum/vintage-computers/what-vintage-macs-do-you-own/
  6. Happy 41st birthday Apple II! http://www.agoraroad.com/macforum/vintage-computers/happy-41st-birthday-apple-ii!/
  7. MacFox

    Mac SE Problems

    So a few moths ago I bought an SE with 800k internal floppy and 20 MB internal HDD. It worked for about a week before problems started. I was trying to install Word 5.1, but it wouldn't install unless I removed all anti-virus software so I deleted the Norton software on the HDD. When I rebooted the machine, the OS (6.0.8) didn't start up. Figuring that I probably screwed up the OS install by deleting Norton, I downloaded some system 7.0 floppy images and wrote them to some disks using my Powerbook G3. I tried to install system 7, but it said that something was wrong with the HDD and refused to install. I rebooted and inserted the system 7 boot disk and tried using disk first aid, but to no avail. I opened up the machine and reseated the scsi cable, and still the HDD refused to work. At that point I decided to buy another HDD, so I did. unfortunately, I couldn't get the old HDD out. There are two screws on my HDD, one on the left and one on the right (I know that on other SE's, the second screw is usually under the HDD). The right one is underneath the CRT and due to this, I couldn't get my screwdriver to connect to the screw. Since my screwdriver has detachable bits, I detached the Phillips #2 bit and while I was able to connect to the screw I couldn't turn it. I also noticed a leaking cap near the CRT (I think it was on the flyback transformer, if I'm using the right term). So at this point, I decided I would go the external HDD route and deal with the cap later since I have no soldering skills and its location so close to the CRT made me nervous. I decided to turn the machine on again just for the heck of it and now the FDD doesn't read floppies. At that point, I just got frustrated and gave up. I got the SE for $50 on ebay, so I guess it's not a huge loss, but still it is a nice looking machine and one I would've loved to use a lot. So why am I making a thread now? Because I'm curious if I should try to fix this machine or not. New Year's is a time of reflection I guess. If I should fix it, would an external floppy work or do I need to replace the internal one? What is the best method of replacing that leaking capacitor I saw or should I ask a more experienced person to recap for me? Would I be better off just getting another SE? Thanks EDIT: Topic accidentally posted twice. If any mods are reading this, could you please delete the other copy of this thread?
  8. StuffIt 3.5 can’t see some .sit fires. I tried to install Aladin StuffIt 5.something and I don’t have 8mb or RAM on my 4mb SE. is there another software repository where everything for 68k is stored in floppy format (.dsk)? I am using SCSI2SD and Floppy Emu. Thanks.
  9. So I bought an AppleCD 600e drive recently for use with my Powerbook 5300c. Unfortunately, that laptop is having power issues and I don't have the soldering skills to fix it, so for now it is out of commission. This leaves me with a CD-ROM drive that I can't use...or can I? My SE has 4 MB of RAM and runs system 7.0 just fine. If I upgrade to 7.1 I should be able to use the CD drive, right? Are there any programs that came on CD, or that I could put on CD, that will run on an SE with 4 MB of RAM and System 7.1?
  10. MacFox

    Mac SE Problems

    So a few moths ago I bought an SE with 800k internal floppy and 20 MB internal HDD. It worked for about a week before problems started. I was trying to install Word 5.1, but it wouldn't install unless I removed all anti-virus software so I deleted the Norton software on the HDD. When I rebooted the machine, the OS (6.0.8) didn't start up. Figuring that I probably screwed up the OS install by deleting Norton, I downloaded some system 7.0 floppy images and wrote them to some disks using my Powerbook G3. I tried to install system 7, but it said that something was wrong with the HDD and refused to install. I rebooted and inserted the system 7 boot disk and tried using disk first aid, but to no avail. I opened up the machine and reseated the scsi cable, and still the HDD refused to work. At that point I decided to buy another HDD, so I did. unfortunately, I couldn't get the old HDD out. There are two screws on my HDD, one on the left and one on the right (I know that on other SE's, the second screw is usually under the HDD). The right one is underneath the CRT and due to this, I couldn't get my screwdriver to connect to the screw. Since my screwdriver has detachable bits, I detached the Phillips #2 bit and while I was able to connect to the screw I couldn't turn it. I also noticed a leaking cap near the CRT (I think it was on the flyback transformer, if I'm using the right term). So at this point, I decided I would go the external HDD route and deal with the cap later since I have no soldering skills and its location so close to the CRT made me nervous. I decided to turn the machine on again just for the heck of it and now the FDD doesn't read floppies. At that point, I just got frustrated and gave up. I got the SE for $50 on ebay, so I guess it's not a huge loss, but still it is a nice looking machine and one I would've loved to use a lot. So why am I making a thread now? Because I'm curious if I should try to fix this machine or not. New Year's is a time of reflection I guess. If I should fix it, would an external floppy work or do I need to replace the internal one? What is the best method of replacing that leaking capacitor I saw or should I ask a more experienced person to recap for me? Would I be better off just getting another SE? Thanks
  11. AwkwardPotato

    Macintosh SE won't read any disks

    I recently obtained my first 68K Macintosh, a Macintosh SE with dual 800k floppy drives. Turning it on, it boots to the blinking question mark screen, but won't read any disks. I'm almost certain that my system disk is fine; I created it with Disk Copy 4.2 on a PowerMac 6100 using this guide. I also plugged in a known working external 800k drive from an Apple IIGS, and it won't read the disk either. I've made sure to bless the system folder on the disk. Assuming that it's an issue with the logic board, which components should I look at replacing? Thanks!
  12. I thought I'd start a new thread focused solely on this topic. The Macintosh SE that I bought a month ago came with a floppy disk labeled "Your Apple Tour of the Macintosh SE". When I tested it the, the disk was read, and I worked through the intro program. So I know it worked not long ago. Meanwhile, I acquired an SE/30 - which promptly ate and destroyed that floppy disk. So the only disk that I knew worked for certain on the Macintosh is not available. I then found some 720k DOS disks and used a Power Macintosh 7100 with Disk Copy to create system disks from the disk images found on the Internet. However, when I put in thes disks, the SE ejects them immediately. I have some dedicated Mac disks, like FAX drivers and such - these also are ejected. Some questions for you - When presented with the Mac question mark ? are all disks rejected that are not bootable? Is there any issue with using previously formatted DOS DSDD floppies to format for Macintosh? I have re-lubricated the floppy drive. When I had it apart, I noticed that the heads stuck together magnetically. Does that mean I need to de-magnetize them? Or is that normal? The recommendation for Disk Copy is to use the version that matches the operating system. Does that mean the target operating system (6.0.8 ) or the source (I'm using OS 9 on the 7100)? Does it matter which verion of Disk Copy that I use? Should I use v4.2 only? In one of the floppy dissembly videos, someone mentioned that in the eject mechanism, you have to set the little nub to 12 o'clock. Mine was at 9 o'clock, so I set it to noon. Is that necessary? I haven't seen anyone else mention that. This is what my eject gears looked like:
  13. I recently picked up a Macintosh SE for $5. The hard disk was dead, as I expected. I put in a boot disk and turned the computer back on. However, I soon realized I was using a System 1.1 Boot disk, which is not compatible with the SE. I don't have an ADB mouse/keyboard, only a 128k/512k/Plus keyboard and mouse. I tried pulling out the disk (I didn't know about the pinhole by the disk drive when I was doing this) , and it came out. I noticed that a small metal bracket is now in the middle of the floppy drive. Is this normal? I noticed it moves upwards when the mac is turned on. I am having someone make a system 6.0.8 boot disk, and I want to know if the disk drive needs to be repaired before I can use the boot disk. If it's just a "cosmetic" problem, I can still use the drive fine by pushing up the metal piece. Thanks in advance
  14. yamaha94

    GCC UltraDrive 20 & Macintosh

    Hi Everyone - I was snooping around my local electronics Recycling shop and found a Vintage Macintosh External Hardrive. I can't find anything about these units. Made by GCC Technologies "Ultra Drive 20". Did a great clean up - filled with so much dust and debris. I should of taken a before and after picture. Still Powers up. Still have to test with a Serial/SCSI cable to my Macintosh SE to see if it still 100% works. Total price = $10 dollars. Does anyone have any manuals or information on these units? All I know its a third party peripheral similar to the Macintosh Branded ones. Much thanks (Picture Attached)
  15. smiba

    Focus on chip

    From the album: Chip Porn

    © Smiba

  16. smiba

    Focus on CPU

    From the album: Chip Porn

    © Smiba

  17. smiba

    Chip 2

    From the album: Chip Porn

    Z8530PC 8730FM © 1982 AMD

    © Smiba

  18. smiba

    Chip 1

    From the album: Chip Porn

    737 V I788Q VGC7219-0676 344SO603A (M)©APPLE'86 KOREA A
  19. smiba

    Backside

    From the album: My Macintosh SE

    No, this is the original power cable and I won't change it for one that points down.

    © Smiba

  20. smiba

    Right side closeup

    From the album: My Macintosh SE

    © Smiba

  21. smiba

    Left side closeup

    From the album: My Macintosh SE

    © Smiba

  22. smiba

    Overview

    From the album: My Macintosh SE

    © Smiba

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