Removing socketed SOJ40 SIMMs from S3 cards \ VOGONS

Removing socketed SOJ40 SIMMs from S3 cards

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First post, by appiah4

Posted on 2017-08-19, 08:49

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I have an S3 Trio64V+ with 2MB RAM (1MB o/b, 1MB socketed) and an S3 Trio64V2/DX with 1MB Ram (1MB socketed, 2 sockets empty for 1MB more). I want to move the 1MB chips from the V+ to the V2/DX (under the assumption that the latter is a better card overall).

Is there a specific tool for this? Things I tried to DIY with paperclips and whatnot have failed and I really don't want to try to lever them out and break the sockets..

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Reply 1 of 6, by derSammler

Posted on 2017-08-19, 09:05

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You need a chip puller for that. Expect the sockets to break anyway due to their age. (happened to me many times)

Reply 2 of 6, by appiah4

Posted on 2017-08-19, 09:21

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I guess I shoukd just buy a batch of 256Kx16bit chips fron aliexpress..

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Reply 3 of 6, by Anonymous Coward

Posted on 2017-08-19, 12:21

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Just use a very small flat head screwdriver. As long as you're careful everything should be okay.

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Reply 4 of 6, by 386_junkie

Posted on 2017-08-20, 15:19

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You'll get faster at it the more you do it.

I use a small change-able head screwdriver for this task. The heads that resemble toothpicks... two of them, at both ends of the socket.

Using care, pry the chip out using equal force each side... should pop out no problem.

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Reply 5 of 6, by c0keb0ttle

Posted on 2017-08-20, 20:11

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Get one of these dirt cheap thingies:
http://www.ebay.com/itm/1PCS-PLCC-IC-Chip-Ext … l-/221944834880

And while you're at it, one of these for those pesky ROM chips:
http://www.ebay.com/itm/U-Type-Flat-IC-Chip-P … r-/282406487883

Reply 6 of 6, by appiah4

Posted on 2017-08-21, 07:59

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I ended up getting 5 of the chips for around 8 bucks, and both types of extractors because I need them when dealing with Amigas anyway. 😀

Retronautics: A digital gallery of my retro computers, hardware and projects.

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