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Author Topic: Accidentally bought rubber dome M2  (Read 3616 times)

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Offline Shyfe

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  • Posts: 120
  • Location: Illinois
Accidentally bought rubber dome M2
« on: Fri, 07 March 2014, 14:06:33 »
BNIB for $18 + shipping. now that I'm over the disappointment, anything fun I can do with it?
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Offline Mr.Tumor

  • Posts: 36
  • Location: va. beach
Re: Accidentally bought rubber dome M2
« Reply #1 on: Fri, 07 March 2014, 14:10:46 »
any firearms in the house?   i hear they make great targets.....


i shoulda been a comidan... realy


sry i couldent resist ....pls i mean no disrespect ... just trying to make a funny....
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Offline mougrim

  • Posts: 768
  • Location: Ukraine
Re: Accidentally bought rubber dome M2
« Reply #2 on: Fri, 07 March 2014, 14:18:23 »
No, seriously, rubber dome M2 is a piece of dog****. And has only collector value. If it was buckling spring version, that's another matter.
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Offline False_Dmitry_II

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Re: Accidentally bought rubber dome M2
« Reply #3 on: Fri, 07 March 2014, 15:41:20 »
Is it really that much worse than random rubber domes on the street today?
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Offline epzy

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Re: Accidentally bought rubber dome M2
« Reply #4 on: Fri, 07 March 2014, 15:45:00 »
Kill it with fire, only logical thing you can do.
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Offline berserkfan

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Re: Accidentally bought rubber dome M2
« Reply #5 on: Fri, 07 March 2014, 15:52:56 »
Simple, resell it to a co-worker or somebody who doesn't know the difference. You might be able to wheedle $30 out of that guy to cover your costs.
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Offline mougrim

  • Posts: 768
  • Location: Ukraine
Re: Accidentally bought rubber dome M2
« Reply #6 on: Fri, 07 March 2014, 15:59:26 »
Quote from: False_Dmitry_II on Fri, 07 March 2014, 15:41:20
Is it really that much worse than random rubber domes on the street today?
When it was made - no, it wasn't. But now it's kinda 20 years old. At least. So it's crap.
« Last Edit: Fri, 07 March 2014, 16:26:26 by mougrim »
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Offline fohat.digs

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Re: Accidentally bought rubber dome M2
« Reply #7 on: Fri, 07 March 2014, 16:13:01 »
These are not bad keyboards, and users would be perfectly happy with them if not for the "other" version.

I have gotten a couple of them and unloaded them on ebay for $15-20 + shipping. Be sure to disclose what you are selling and you should be able to recoup at least the cost, but probably not the freight.

Who knows, there may be a collector who wants "every Model M" looking for a prime specimen.
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Offline dgreekstallion

  • Posts: 215
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Re: Accidentally bought rubber dome M2
« Reply #8 on: Fri, 07 March 2014, 19:57:50 »
I take it the key-caps aren't interchangeable with B.S. keyboards?
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Offline fohat.digs

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Re: Accidentally bought rubber dome M2
« Reply #9 on: Fri, 07 March 2014, 21:07:59 »
Wait. The IBM Model M2 is not a rubber dome.

The M2 is an alternate buckling spring keyboard. The keys interchange with the ergonomic Ms, and standard M key stems will click into place, but the profiles are all different.
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"The Trump campaign announced in a letter that Republican candidates and committees are now expected to pay “a minimum of 5% of all fundraising solicitations to Trump National Committee JFC” for using his “name, image, and likeness in fundraising solicitations.”
“Any split that is higher than 5%,” the letter states, “will be seen favorably by the RNC and President Trump's campaign and is routinely reported to the highest levels of leadership within both organizations.”"

Offline demik

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Re: Accidentally bought rubber dome M2
« Reply #10 on: Fri, 07 March 2014, 21:44:34 »
goodwill?
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Offline mougrim

  • Posts: 768
  • Location: Ukraine
Re: Accidentally bought rubber dome M2
« Reply #11 on: Sat, 08 March 2014, 03:21:03 »
Quote from: fohat.digs on Fri, 07 March 2014, 21:07:59
Wait. The IBM Model M2 is not a rubber dome.

The M2 is an alternate buckling spring keyboard. The keys interchange with the ergonomic Ms, and standard M key stems will click into place, but the profiles are all different.

Actually there are two versions of M2 - buckling spring variant (somewhat simplified and more low-profile than regular Model M) and rubber dome one. If I'm not mistaken, rubber dome variant somewhat different in appearance from buckling spring M2.
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Offline C5Allroad

  • Formerly HUNTERANGEL121
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Re: Accidentally bought rubber dome M2
« Reply #12 on: Sat, 08 March 2014, 07:40:30 »
KILL IT WITH FIRE!!!!!
BE GONE RUBBER DOME!
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Offline JimByr

  • Posts: 63
  • Location: Massachusetts, US
  • ...old guy...
Re: Accidentally bought rubber dome M2
« Reply #13 on: Sat, 08 March 2014, 09:14:00 »
IBM Selectric Touch keyboard (Model M2)

1395300   buckling spring, US layout
1395706   buckling spring, UK layout
60G3507   buckling spring, labeled as M1 ("Options by IBM" unbundled)
42H0468   buckling spring, US layout, RJ-11 (can be used by making adapter)
73G4614   rubber dome
60G0817   rubber dome, with a big face plate. code name "Lion"

The terminal version is fully PS/2 compatible, and merely needs a passive adapter to map the RJ-45 pins to the appropriate PS/2 ones.
« Last Edit: Sat, 08 March 2014, 19:07:12 by JimByr »
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Offline Tactile

  • Posts: 1433
  • Location: Portland, OR
Re: Accidentally bought rubber dome M2
« Reply #14 on: Sat, 08 March 2014, 14:47:09 »
I like 'em. The rubber dome keyboards IBM made back then had great tactile feedback. Nice stiff rubber domes with a very distinct "pop" feel as the key goes down.
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Offline mougrim

  • Posts: 768
  • Location: Ukraine
Re: Accidentally bought rubber dome M2
« Reply #15 on: Sat, 08 March 2014, 16:20:28 »
Quote from: Tactile on Sat, 08 March 2014, 14:47:09
I like 'em. The rubber dome keyboards IBM made back then had great tactile feedback. Nice stiff rubber domes with a very distinct "pop" feel as the key goes down.
But I think after 20+ years any rubber transforms to crap almost automatically...
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Offline phoible

  • Posts: 108
Re: Accidentally bought rubber dome M2
« Reply #16 on: Fri, 02 April 2021, 02:03:39 »
I just accidentally bought a rubber dome M2 on eBay. Since it didn't work when I received it (and was sold as-is), I decided to restore it. Turns out that the internals are pretty similar to the buckling spring version (same PCB and conductive sheet from what I can tell).

I replaced the capacitors, cleaned the traces using isopropyl alcohol, and then ended up having to put some card stock below the foam to get the traces to make contact.

Now it works pretty well - the keys feel pretty good for a membrane keyboard. Not sure whether I'm going to resell it on eBay or keep it. I already have too many keyboards, and just wanted a buckling spring M2, so might resell it.
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