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  1. CharlieFrown

    Scored a Silkscreened Drexel 128K Mac!

    Congrats on this Mac, the prices of these 128k Macs are so beyond my budget!  
  2. CharlieFrown

    SE/30 distorted or no sound

    Hi,  I am trying to revive my old SE/30 after capacitor goo disaster, which took its graphics and sound. It was cleaned and recapped.  Had to replace UE8 and the display was brought back, now I want to do something with a sound. Initially it used to give me a startup sound, then the sound...
  3. CharlieFrown

    signs of dead flyback transformer? Mac Plus issues

    thank you for this suggestion techknight, strangely fuse seems to be ok. Gave this Plus a ride to a repair shop, maybe they will find the cause.  Will keep this topic updated. 
  4. CharlieFrown

    signs of dead flyback transformer? Mac Plus issues

    thank you Elfen, today I gave it a closer look and see what I found, cracked two 4.7uF x2 capacitors. Might be more damaged parts. 
  5. CharlieFrown

    signs of dead flyback transformer? Mac Plus issues

    hi guys, I got this Macintosh Plus with non bleeder type FBT. Completely dead, no signs of life..NADA.  It had a nasty battery spillage which got outside its compartment and corroded metal frames, luckilyy no visible damage to the logic board. That battery goo affected analog board as well...
  6. CharlieFrown

    Replacement 30-pin SIMM Sockets?

    I would look around for old or possibly damaged 386/486  motheboards with "short simm" slots.
  7. CharlieFrown

    [Wanted] RasterOps Colorboard 708+/30 drivers

    thank you Unknown_K, need to try them! this site rules btw 
  8. CharlieFrown

    [Wanted] RasterOps Colorboard 708+/30 drivers

    Hi, spotted this card in one SE/30 I could buy, but the problem is I cannot find any drivers online..any idea? thanks charlie
  9. CharlieFrown

    SE/30 strange radio interference noise

    it's back again, random slowndowns, simasimac stripes, non working sound despite new caps! Will try to wash mobo instead of cleaning with IPA, then will try again. 
  10. CharlieFrown

    SE/30 strange radio interference noise

    ok turning brightness down seems to solve the problem, need to fiddle with cutoff.
  11. CharlieFrown

    SE/30 strange radio interference noise

    Hi, I can hear really weird SE/30 sound, like radio interference noise, it corresponds with clicking mouse button, but can also be heard as independent noise without any use of input device. What do you think it is? Motherboard has SMD caps replaced. 
  12. CharlieFrown

    SE/30 no fun with new purchase

    another one saved from dumpster! Replacing video board did the trick. I suspect the old one is gonna work after continuity fix.
  13. CharlieFrown

    Dove MacSnap 512ke DIY max upgrade

    Anyone tried upgrading their 1 MB Dove MacSnap to the fullest (2 MB)? Do you thinks it's possible to do? Found interesting piece of advice from 1987... link "I called Dove Technical department to ask them about doing that, and the first time they tolled me that all I had to do was:            ...
  14. CharlieFrown

    Mac Classic II dim CRT + jail bars

    do you guys think that you usually  need  a new optocoupler (isolator) after Classic II recap? 
  15. CharlieFrown

    Classic with a surprise inside

    excellent find! 
  16. CharlieFrown

    cant create System 6.08 disk on Plus

    here's update. You need to self-extract to hard disk instead of floppy, save it as "disk1", then run Disc Copy 4.2, open image (disk1) and copy it to floppy. Works great! 
  17. CharlieFrown

    cant create System 6.08 disk on Plus

    Hi, I am clueless what's wrong. I am trying to create System 6.0.8 floppies using my 4 MB Plus with external hard disk running System 6.0.3. I did transfer 4 self-extracting files  (SSW System 6.0.8 disk 1-4. sea 800k version), they worked perfectly with my Classic II, which no longer works...
  18. CharlieFrown

    Create floppy from sit and sea.bin files on System 6

    do you have an access do Windows PC ? I used TransMac to copy self extracting archives (.bin?) to floppy and funny thing is they were visible as executable files on Mac side.  The only problem might be 800k limit. 
  19. CharlieFrown

    Mac Plus "happy mac" freeze during bootup

    Problem solved. Removed R8 resistor "256k bit memory" and used 4 x 1 MB memory chips (instead of 256 kB ones). Works smoothly! 
  20. CharlieFrown

    Mac Plus "happy mac" freeze during bootup

    ok not really freezing... as it stops booting from hard disk I can insert floppy and it's trying to read it, but no success.  Another thing is it correctly ejects non system floppy and I can manually eject any floppy with mouse button pressed, so I guess IWM chip is ok?
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