Loose TOS Sockets risers - help with remedy

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KLund1
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Loose TOS Sockets risers - help with remedy

Postby KLund1 » Fri Mar 10, 2017 10:26 pm

So I have a dual TOS switching board. The board works on anther STE I have. But the STE I want to install into has an IC just above the TOS Roms that is in a socket, so it is higher than a chip soldered to the MB. To have the TOS switcher installed I have to have to put a socket on top of the TOS sockets so the switcher will clear the other chip.
The TOS Switcher has thick round pins. They fit nicely into sockets that have thin flat legs/pin. But those sockets move about a .75mm from side to side in the TOS sockets. And they do not make good contact inside the TOS sockets, and the STE will not see/boot them. They are not really made to go into an existing socket, but to be soldered to a board. I found another socket with thick round leg/pins that fit good into the TOS sockets. But the top holes where the TOS Switcher pins would go are too small.
Pic 1 you can see how the TOS switcher board (green) dose not clear the socketed IC on the right.
Pic 2 you can see that with sockets in TOS sockets the switcher board clears the IC on the right.
Pis 3 & 4 You can see the switcher pins, and the top/bottom of the sockets I have.
I know this are long sockets, that is why I cut off the extra pins. And I know the socket with the thin legs has bent pins, It was my test fit socket. I have others.
Suggestions on a better socket system?
Thanks
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UPDATED: Falcon 030(FX-1)(CF int & removable SD), MSTE 4+PS3000 4160STE 2.06+HDFD STacy4-internal-USD 1040STFM+I.B.Driver-5.25"FDD 1040STF 1040ST 520ST-AdSpeed 400-48k 800+810x2+820+822+825+830+835+850, 800XL+IndusGT 600XL 130XE+XF551x2 Portfolio 1200XL APE(Warp+32in1 OS SuperVideo 2.1 256k RAMBO)+1050x2 USD'd+SIO2PC, PC1+PCH204+PCM124+PCF554x2

czietz
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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Sat Mar 11, 2017 11:15 am

How about replacing the pins on the TOS switching board by longer ones itself instead of "sandwiching" sockets? Sure, it requires some (easy) desoldering, but then it decreases the potential for bad contacts.

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Re: Loose TOS Sockets risers - help with remedy

Postby nukebloodaxe » Sat Mar 11, 2017 11:40 am

I have one of these particular adaptor boards, so I am familiar with how much of a problem they are to fit into the standard dip sockets. The particular problem you are facing with the over-height socketed chip is new to me.

Might I suggest the following?

Unsolder the current pin-strips and sockets from the adaptor board. Solder in new strips with longer legs, and then resolder the sockets back on the adaptor board.

It might take a while to do, but at least it would leave your motherboard intact. Alternatively, exxosuk has an adaptor board here that will definitely fit your board: https://www.exxoshost.co.uk/atari/last/storenew/

I am, however, making the assumption you are okay with a soldering iron, how far are you prepared to go to fix things up?

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Re: Loose TOS Sockets risers - help with remedy

Postby spiny » Sat Mar 11, 2017 12:20 pm

i too have a bunch of these boards, the pins are the wrong size/shape. very poorly made, mine all live in a box, not in my ataris.

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Re: Loose TOS Sockets risers - help with remedy

Postby Maeke » Sat Mar 11, 2017 1:44 pm

indeed, these kits are much better, and the socketed ic isn't a problem with them; http://www.exxoshost.co.uk/atari/last/t ... ETOSSWITCH
And you don't need to modify w102 and w104.

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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Sat Mar 11, 2017 3:40 pm

nukebloodaxe wrote:Unsolder the current pin-strips and sockets from the adaptor board. Solder in new strips with longer legs, and then resolder the sockets back on the adaptor board.


If KLund1 doesn't mind cutting away some plastic pieces of the sockets on the adapter board, it might even be possible to replace the pin-strips without removing the sockets first.

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Re: Loose TOS Sockets risers - help with remedy

Postby KLund1 » Sun Mar 12, 2017 12:44 am

I made a good investment for these boards a few years ago. I'l like to get them working. One works fine, It's just this particular STE I'm having trouble. It would be a real pain to de-solder all those pins, but I could do it. I'm not in a rush, a few pins a day, would be fine....
Where would I find long pins?
UPDATED: Falcon 030(FX-1)(CF int & removable SD), MSTE 4+PS3000 4160STE 2.06+HDFD STacy4-internal-USD 1040STFM+I.B.Driver-5.25"FDD 1040STF 1040ST 520ST-AdSpeed 400-48k 800+810x2+820+822+825+830+835+850, 800XL+IndusGT 600XL 130XE+XF551x2 Portfolio 1200XL APE(Warp+32in1 OS SuperVideo 2.1 256k RAMBO)+1050x2 USD'd+SIO2PC, PC1+PCH204+PCM124+PCF554x2

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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Sun Mar 12, 2017 9:35 am

Assuming you find a way to work around the sockets, desoldering the pins won't take long. Maybe 10-15 minutes for all of them?

On your photo they look like regular 0.1" pin headers used for board-to-board interconnects. Every electronics supplier should have them in different lengths.

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Re: Loose TOS Sockets risers - help with remedy

Postby KLund1 » Sun Mar 12, 2017 9:56 pm

Ya, you are probably right, but I like to take my time with soldering. Always easy to make a mistake.
I work at Fry's Electronics, and I looked down out parts isle and did not see any that were long enough. Could some post a link to were I might find some that might fit my need. I'm not even sure what the proper name to do a search for.
Thanks
UPDATED: Falcon 030(FX-1)(CF int & removable SD), MSTE 4+PS3000 4160STE 2.06+HDFD STacy4-internal-USD 1040STFM+I.B.Driver-5.25"FDD 1040STF 1040ST 520ST-AdSpeed 400-48k 800+810x2+820+822+825+830+835+850, 800XL+IndusGT 600XL 130XE+XF551x2 Portfolio 1200XL APE(Warp+32in1 OS SuperVideo 2.1 256k RAMBO)+1050x2 USD'd+SIO2PC, PC1+PCH204+PCM124+PCF554x2

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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Mon Mar 13, 2017 7:15 am


KLund1
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Re: Loose TOS Sockets risers - help with remedy

Postby KLund1 » Sun Mar 19, 2017 6:49 am

Wow!
Thanks
There is a lot to look at. Any suggestions as to what might be about right for what I need?
UPDATED: Falcon 030(FX-1)(CF int & removable SD), MSTE 4+PS3000 4160STE 2.06+HDFD STacy4-internal-USD 1040STFM+I.B.Driver-5.25"FDD 1040STF 1040ST 520ST-AdSpeed 400-48k 800+810x2+820+822+825+830+835+850, 800XL+IndusGT 600XL 130XE+XF551x2 Portfolio 1200XL APE(Warp+32in1 OS SuperVideo 2.1 256k RAMBO)+1050x2 USD'd+SIO2PC, PC1+PCH204+PCM124+PCF554x2

czietz
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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Sun Mar 19, 2017 2:46 pm

Sorry, it's hard to tell from the photo which length you need. Also, Digikey was just an example to show you that different lengths exist. I'd still recommend buying either from a local electronics store (if there is one in your vicinity) or maybe from eBay or so. Digikey charges a lot of shipping costs for such a cheap items like some pin headers.

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Re: Loose TOS Sockets risers - help with remedy

Postby DarkLord » Mon Mar 20, 2017 9:21 pm

So hard to find exactly what you need sometimes. Just keep searching and don't give up.

I had to use a riser in my STacy for the Pak 68/3 board. The exact pins/items I needed
was finally ordered from someplace in the UK (I live in the USA). Only thing that I could
find that seemed to fit just right.

Good luck.
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Re: Loose TOS Sockets risers - help with remedy

Postby czietz » Tue Mar 21, 2017 8:48 pm

Since you mentioned Fry's in the thread, I assume you live in the US. I'm afraid I have no idea where hobbyists there go to buy electronic components. Maybe someone else in the forum can point you to an (online) shop? At least I know Sparkfun, a US based shop. Maybe those headers will fit? https://www.sparkfun.com/products/10158 But check if the length is sufficient before ordering.


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