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Syntho

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  1. Syntho

    PowerBook 3400c Repair Stories

    Not the ram card. Doesn’t affect booting.
  2. Syntho

    PowerBook 3400c Repair Stories

    I'm not sure I even see any caps on it. If I knew where they were I'd take a look.
  3. Syntho

    PowerBook 3400c Repair Stories

    More info: it powers up, I hear the chime, the HD spinning up, and it goes to a white/grey screen. Sometimes it'll go as far as having the cursor frozen on the top left, and oddly, sometimes it'll go to the disk icon with a ? while the cursor is still frozen. I'm not sure about this but I think taking out the ADB ribbon cable helps the disk icon show up more often. When I have an adb mouse plugged into it, the cursor still doesn't move. I have a good, working HD in it (tried multiple) but that doesn't seem to have an effect. At one time i thought I smelled burnt plastic/smoke coming from it after installing a new PRAM battery and HD, but it may have just been my imagination. The logic board actually looks good. No corrosion or anything. The PRAM battery was still good, but I switched it out anyway. In fact, that's when this all happened: when switching the HD and PRAM battery. I switch back and forth between the old and new HDs and batteries but that doesn't seem to have any effect. Is it at all possible that the PRAM battery I put into it, or the new HD (actually an ATA SD card adapter) has somehow fried something on the board? It was working fine before all of this, but now it's dying a slow death. The problem started right after switching out the aforementioned parts. A few times after getting the white/grey screen after switching those out, I seem to have disconnected the little power board out of its socket by mistake which caused it to not boot at all. After figuring that out I pushed it back in, but it went right back to the grey screen problem. I didn't do anything out of the ordinary on it or damage it either. I've done this exact sequence of switching out the PRAM battery and HD on another 3400 and it worked flawlessly and runs fine. I'm thinking it's best to just gut it and use it for parts. If someone can come up with a simple fix I'll see what I can do, but I don't have too much time to keep running diagnostics. I'll just look for another one that's working
  4. Syntho

    PowerBook 3400c Repair Stories

    Looks like it’s going to stay frozen with a white screen and cursor at the top left. It won’t move. I did get it to show the blinking question mark a time or two but usually it’s just a frozen cursor at the top left. Anyone have any ideas? I might just use this one for parts if it’s too much trouble to repair.
  5. Syntho

    PowerBook 3400c Repair Stories

    Turns out, the power board wasn't seated securely. I pushed it in, booted up and got the cursor and question mark (new HD). I thought all was well so I turned it off, put it back together and tried booting up, only to get a white screen. I've disassembled the whole thing, taking cables, pram batteries and ram boards out piece by piece to see what the culprit is, but I only get a white screen every time. There's got to be some simple thing going on here that I'm not aware of.
  6. Syntho

    PowerBook 3400c Repair Stories

    I have a 3400c that seems dead. It started when I'd boot it up and there was the typical white screen, but without the cursor. It never moved past there. Now it won't boot or get power at all. No chime or anything. There's a new PRAM battery in it so I don't think that's the problem. Maybe the motherboard is corroded from the old one though? I reset the power manager using the reset button on the back, unplugged it, tried everything.
  7. Syntho

    9600 Floppy Drive

    I ordered a cleaning kit. It says to access the drive for 15 seconds, but in DOS. What procedure would you use with a Mac?
  8. Syntho

    RAM test software

    By the way, I ave some sticks of ram that I know are 60ns, but the others I’m unsure of. Is it ok to mix 60ns and 70ns ram together? i don’t think there’s even a way to know if it’s 60ns or 70ns unless it’s clearly marked on the chip. And it’s not on all of them except the ones I got from Mac sales years ago.
  9. Syntho

    Powerbook 3400c RAM

    I think this is actually a 16mb ram card. I just noticed that at the top it lists the part number as KTA-pb3400/16. What confused me is at the bottom where it says PB3400/32. So it's probably working right.
  10. There is a utility to test RAM for G4 Macs, but is there one for a 9600? I can always use the built in RAM test but maybe there's a better tool.
  11. Syntho

    Powerbook 3400c RAM

    Here’s a supposed 32mb ram card. It shows only 32mb in total when it’s installed when it should be 48
  12. Syntho

    9600 Floppy Drive

    I'm looking on Ebay and it's hard to narrow down what to look for. When I type 'Mac Floppy drive' I only get a few results. Maybe I should post something in the Trade forum...
  13. Syntho

    9600 Floppy Drive

    For some reason both of the 9600 machines I have have floppy drives that aren't working so well. They give me issues with formatting and reading diskettes all the time. Is there a direct replacement for them that are good, HIGH QUALITY floppy drives? I'm not sure that these are different than any other floppy diskette drive that you'll buy, or if they're Mac specific or what.
  14. Syntho

    PowerBook 3400c CF Issues

    Just bought a couple. I guess the SD cards don't matter too much. I'll pick up a couple random 16GB cards.
  15. Syntho

    PowerBook 3400c CF Issues

    Do you think just about any would work in my 3400c? I'd like to get one from the USA so it'll be here quicker. Something like this: https://www.ebay.com/itm/SD-SDHC-SDXC-MMC-Memory-Card-to-IDE-2-5-Inch-44Pin-Male-Adapter-Converter-US/202436543286?epid=11023761362&hash=item2f22288336:g:YbAAAOSwttFbmxI6:rk:6:pf:0
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