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falen5

Any thoughts on this....it arrived!!!

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hi techknight 

 

its still sitting on the table downstairs - havnt done anything with it yet - its probally an apple ii clone... but said i would share what i found so far before i do anything - gonna try bring this thing back to life

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the white wires soldered onto the back of the analog board goto the card in slot 4 - they might be the video signal. Should take pictures of everything before i knock any wires off. After allot of searching I found these pictures of the origional machine - http://www.retrocomputer.tux.hu/index.php?option=com_wgpicasa&view=album&album=5975666009977580785&page=1&Itemid=14

 

theres 6 pages of pictures of the machine in there

Edited by falen5

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Well after skimming through the video, I was screaming at the camera at you... LOL... 

 

Take the cards out! take the thing apart! its no good to anyone if we cant really see what it is, what it can do, or what it did.... 

 

Watching how you were trying to remove the cards was painful. LOL. its like friggen pull the card out already. sheesh. 

 

Anyways, Rant aside. I think the large board on the side is a memory expansion. To access the HDD, it would had to have a modified ROM so it can boot from it, or a special floppy to load the HDD drivers. 

 

I can only "assume" one of the card is an MFM controller. 

Edited by techknight

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good man techknight - i want to tear it apart like yesterday - but there are wires soldered all over the place and i have to take pictures of everything. I dont like putting too much force on boards - would it be ok to lever the cards up instead if just pulling them straight up - this thing is old....might end up ripping the entire slot of the board. Is there any point in spraying wd40 into the slots. That colored ribbon cable i held up to the camera has a pretty good length to it - me thinks it was plugged into some external  machine, looks like this may of been used in industry . I think the 4th slot is a video card - it has thoes white wires coming out from the back of the card - i think they are the same wires soldered onto the analog board  analog board does not look like any apple board

 

im getting older and more paitent man. I intent to strip this baby bare and ill take pictures of everything and share the here,

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my god.. these cards were stuck in there pretty bad - levered them out - 

 

Video card had 2 wires attached and 2 that seem to have broken off.... BEFORE I TOOK IT OUT!!!!....

 

Motherboard says apple on it - i only have apple ii e's - dont know if its a clone or not

 

looks like language card/ memory expansion card

serial card

z-card - is that the same as z-engine c/pm card?

video card

floppy controler

ide or scsi controler card - dont know which?

 

will start taking it apart tomorow

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Edited by falen5

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That Z card has an SGS Z-80 CPU,so it might be a CP/M card. I replaced a ton of those SGS cpu's from Italy way back in the 80's. They were used in bar code readers and had a high failure rate.

Edited by rickrob

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The board with a blue connector looks like a Printer card.

 

The one named Videx is a clone also, spoken here (french forum)

 

http://www.silicium.org/forum/viewtopic.php?f=21&t=41249

 

and information is here too, 80 column card i think

 

https://en.wikipedia.org/wiki/Videx

 

The big board on the side, yes probably memory expansion.

 

Logic board is an original Apple II one, clones are not supposed to have Apple Computer written all over it.

Edited by bibilit

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Oh man, this is the coolest thread I've seen in a while! That machine is crazy, and I'm delighted that it ended up with someone on this board - I'm dying to see where this goes...

 

:)

 

H.

 

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Now, when was it made? ;)

I think it's more likely it's a II Plus board, and not a particularly early one. (It's totally missing the 4k/16k jumper blocks, for instance.) Without getting my Plus down and taking a look I'm sort of inclined to say it's one of the post-1982 ones that says "Singapore" on the back, because that's what's in mine and it looks suspiciously like the same thing.

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W

Anyways, Rant aside. I think the large board on the side is a memory expansion. To access the HDD, it would had to have a modified ROM so it can boot from it, or a special floppy to load the HDD drivers. 

Do you mean the big board to the left (looking from the rear) of the drive cage? No way that's a memory board. Notice how it has three ribbon cables coming off it, one of which goes to a slotted card in the motherboard (see below). That's pretty obviously an MFM-to... something, disk controller. I want to say that "something" is SASI, 1978's paleolithic predecessor to SCSI, but it could be something proprietary. (I don't think it's Corvus, it looks like that used fewer pins.)

 

The board with a blue connector looks like a Printer card.

 

Given that it appears that this connected to the board above I'd say it's the host interface for the hard drive adapter board above.

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... been skipping through the video, per an observation at around the 11 minute mark, a IIplus motherboard doesn't have a joystick port. But you've probably figured that out by now. ;)

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i dont know what the goo is on the motherboard is - but it looks like it came from above the machine, landed on the drive bay cover and worked its way down. Does not seem to be corrosive . No signs of rust or corrosion of the electronics ... SO FAR...... there are lumps of rust laying about in there... cant see where from...from above pics there is some rust/corosion on the pins in the slots but they look intact. Just got home. Will start stripping this thing in a while - hope to have it completely disassembled tonight. will share what i find.

 

 

This is most of my collection to date - fixed / recapped most of them  bar 3 or 4 se/30's from the maxell bomb syndrome, and another 2 or 3 plus's that i cant get working. Question.... i had 20/20 vision when i started doing this madness about 3 years ago...........now i have very bad short sightness............to this day i still believe it was the fumes and smoke from soldering.........just wondering if anyone else had similar experience.

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Edited by falen5

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It would be interesting to know the *why* behind hacking together such a monstrosity, and whether it was truly a one-off for personal use or is something that was "professionally" repackaged and sold as some sort of embedded/turnkey solution. I find it noteworthy that it was fitted with a CP/M card; that's more evidence that it was built for a business application. The question would be, of course, why you'd go through the trouble of stuffing an Apple II+80 column board+CP/M card+hard disk into a case that probably could have been ordered off the shelf with a Z-80-based computer in it already.

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While the fumes and smoke from soldering certainly aren't healthy in significant exposures, I expect your vision change may have more to do with spending a lot of time focused close up on fine work. As we age, the ocular muscles become less elastic, so it becomes more difficult to keep things aligned from near to far. I have strabismus which is a misalignment and have found it's become significantly worse in the last few years.

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