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| Upgraded 512k Motherboard stuck! |
Posted by: EvieSigma on 2017-05-25 08:55:34
I just got a 512k off eBay that turned out to have some kind of upgrade board inside that adds SCSI and likely also a 68020 or 68030 with FPU. However...I can't get the board out. If I try to slide it out it gets stuck halfway and will move no further.
What can I do? I really want to see this upgrade board but I don't want to destroy said board in the process...
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Posted by: Macdrone on 2017-05-25 08:57:45
did you unplug the motherboard power? With my SE and its accelerator just a flat screwdriver in the side vent and gently prying pops one side out, the you can just pull its across rather than back.
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Posted by: EvieSigma on 2017-05-25 09:02:30
Yeah, I always disconnect that first.
I didn't think to try popping it out that way, I thought I'd bend the frame doing that.
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Posted by: 360alaska on 2017-05-25 09:14:17
DON"T FREAKIN SLIDE IT!!! YOU'LL DAMAGE THE UPGRADE!
You need to bend the bottom rails that hold the board outward and remove the board that way.
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Posted by: EvieSigma on 2017-05-25 09:19:02
Okay, good to know!
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Posted by: EvilCapitalist on 2017-05-25 09:39:13
DON"T FREAKIN SLIDE IT!!! YOU'LL DAMAGE THE UPGRADE!
You need to bend the bottom rails that hold the board outward and remove the board that way. ^ QFT ^
The MicroMac Performer I've got in my Classic is too tall to allow the board to slide out anymore and the bottom rails have just enough give to let the motherboard come out straight down.
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Posted by: olePigeon on 2017-05-25 09:40:54
You don't have to bend it very far to get it to pop out the bottom. I'd recommend bending it from the keyed/slotted side, it's easier to bend.
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Posted by: EvieSigma on 2017-05-25 09:59:38
Slotted side as opposed to the side with circular holes?
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Posted by: EvieSigma on 2017-05-25 12:06:36
Glad I got it it out the right way! Look what I've got!
http://i.imgur.com/RXPAc5x.jpg
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Posted by: unity on 2017-05-25 17:13:33
Nice! I have a few boards like that of varying configurations. I have not installed any yet though.
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Posted by: Themk on 2017-05-25 17:15:57
Very neat accelerator. I assume that empty socket is for the PMMU?
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Posted by: EvieSigma on 2017-05-25 18:03:30
Your guess is as good as mine. I don't know anything about this particular board and the company that made it seems to be quite obscure.
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Posted by: jsarchibald on 2017-05-25 18:05:58
Do a search for Quesse on this site, there are a number of discussions on them over the years. I have one for an SE.
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Posted by: EvieSigma on 2017-05-25 18:08:13
Funny you mention the SE, as this board seems to have a PDS slot on its underside! Combination 128k/512k/Plus/SE accelerator board design for ease of production?
Also, how do you remove one of these boards, if I ever wanted to do such a thing? I don't want to break the strange connector it uses, with all the individual pins that resemble prison bars.
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Posted by: Themk on 2017-05-25 18:12:56
I don't want to break the strange connector it uses, with all the individual pins that resemble prison bars. Would that mean it just clips on to the MC68000 CPU?
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Posted by: EvieSigma on 2017-05-25 18:26:11
It doesn't though, I can still see the 68000 inside the "bars".
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Posted by: olePigeon on 2017-05-26 21:06:08
Really cool looking accelerator.
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Posted by: EvieSigma on 2017-05-26 21:07:48
It is!
I just ordered a box of 720k floppies so hopefully I can actually get this machine up and running and see exactly how much RAM is in it.
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