View Profile: 2icebitn - Vintage Computer Forum

Today, 02:22 PM

2icebitn replied to a thread Retrobright in General Vintage Computer Discussions

Brown stains don't necessarily indicate smoke discoloration. I have a fairly discolored Lisa, was that way when I got it. I carelessly stored it, and...

17 replies | 190 view(s)

Today, 12:52 PM

2icebitn replied to a thread Retrobright in General Vintage Computer Discussions

I bought a 520stfm parts machine recently. I put it out in the yard for a couple weeks, and there was rain. There's a marked difference between the...

17 replies | 190 view(s)

Yesterday, 08:04 PM

2icebitn replied to a thread Lead free solder in General Off Topic

What sort of question is this? That's not local in any sense of the word. If there's a huge stockpile of cheap nickel silver, I guess I could be...

40 replies | 369 view(s)

Yesterday, 06:10 PM

2icebitn replied to a thread Retrobright in General Vintage Computer Discussions

Bleach is bleach. You don't mix it with other chemicals, that's a given. But it removes pigmentation, and it ain't coming back. That was my point.

17 replies | 190 view(s)

Yesterday, 04:45 PM

2icebitn replied to a thread Retrobright in General Vintage Computer Discussions

So then bleach should be a better idea, no? Or isn't that what peroxide does is essentially "bleach" the plastic? Everything in some sense is a...

17 replies | 190 view(s)

Yesterday, 04:40 PM

2icebitn replied to a thread Lead free solder in General Off Topic

Easy to me means going to the hardware/hobby store and buying small pieces or quantities. A 12" x 18" x .032" sheet of brass can be had for about 12$...

40 replies | 369 view(s)

Yesterday, 04:30 PM

2icebitn replied to a thread Retrobright in General Vintage Computer Discussions

8 bit guy has a video where he tries a number of methods, except the traditional concoction. It seems 40 volume liquid in water with only heat was...

17 replies | 190 view(s)

Yesterday, 02:26 PM

2icebitn started a thread Retrobright in General Vintage Computer Discussions

I accumulated materials to try this, a while back. I was under the impression that 40 volume peroxide was needed. Is that too strong, and if so how...

17 replies | 190 view(s)

Yesterday, 02:12 PM

2icebitn replied to a thread Lead free solder in General Off Topic

That's solid ns/GS (i.e not plated)? I don't believe I've ever seen an instrument made of anything but brass. Pretty psyk.

40 replies | 369 view(s)

Yesterday, 02:09 PM

2icebitn replied to a thread Lead free solder in General Off Topic

I could be wrong. There are.so many cuprous alloys to make any distinction between ns or GS largely meaningless. They're ambiguous terms anyway. I...

40 replies | 369 view(s)

Yesterday, 12:00 PM

2icebitn replied to a thread Lead free solder in General Off Topic

That was the joke. And German silver is something different iinm. Similar. Escutcheon pins in rifles are typically GS. I personally haven't heard of...

40 replies | 369 view(s)

Yesterday, 08:30 AM

2icebitn replied to a thread Lead free solder in General Off Topic

I have a Tek scope, a little rinky dink thing. 2315? I tossed it in a dumpster once, then thought I might need it, so had to fish it out :)

40 replies | 369 view(s)

Yesterday, 08:28 AM

2icebitn replied to a thread Lead free solder in General Off Topic

So will the oxidation just burn/fall off when melted, or will it stick to the joint like slag?

40 replies | 369 view(s)

Yesterday, 08:24 AM

2icebitn replied to a thread Lead free solder in General Off Topic

What about NiAg? Ok I had to ask, knowing how commonly it's used in the UK (and very uncommonly used here in NJ). I'm sure you'll get the joke also.

40 replies | 369 view(s)

October 21st, 2018, 10:52 PM

2icebitn replied to a thread Lead free solder in General Off Topic

Could you describe conditions where atmospheric sulphur is significant? I'll have to find the spool and photo it.

40 replies | 369 view(s)

October 21st, 2018, 10:35 PM

2icebitn replied to a thread Lead free solder in General Off Topic

One roll was exposed to a good deal of humidity I guess, and has significant black sooty oxidation. Perhaps not through the whole roll, but neither...

40 replies | 369 view(s)

October 21st, 2018, 08:15 PM

2icebitn started a thread Lead free solder in General Off Topic

I bought upwards of 10x 1lb. rolls of Kester 96.3% tin, 3.7% Silver solder years ago, .015" diameter wire (very thin). Did I waste my money? Will I...

40 replies | 369 view(s)

October 20th, 2018, 06:57 PM

2icebitn replied to a thread Very Early 5150 Issues (No Post, RAM bad) in PCs and Clones

As far as chips between CPU and RAM, look for ls244, ls245, and iirc ls373. There once was a full page pc/xt schematic, many years ago. I guess no...

34 replies | 911 view(s)

October 20th, 2018, 06:15 PM

2icebitn replied to a thread So what are you and your Mavica up to these days? in General Off Topic

Mine uses floppies. Make an offer and it's yours.

2 replies | 153 view(s)

October 20th, 2018, 04:53 PM

2icebitn replied to a thread The Mystery Tandy 1000 Model in Tandy/Radio Shack

Correct me if I'm wrong, but the earliest 1000s whatever their designation, all had custom Asics, no?

39 replies | 7883 view(s)

October 20th, 2018, 02:10 PM

2icebitn replied to a thread How To Deal With a System That Belonged To A Very Heavy Smoker? in Vintage Computer Hardware

Well I used to smoke also, sporadically from 16 to 43. It's really amazing I didn't have a stroke 8 years ago, I was seemingly on the verge of one....

13 replies | 274 view(s)

October 20th, 2018, 10:13 AM

2icebitn replied to a thread Psion HC 110 in PCs and Clones

Ok so the battery case is actually made to be opened. How wonderful is that. So I opened it, and to my astonishment there lies 6 cells of yet another...

2 replies | 107 view(s)

October 20th, 2018, 08:36 AM

2icebitn replied to a thread How To Deal With a System That Belonged To A Very Heavy Smoker? in Vintage Computer Hardware

To add to what I've said, you could just start off with a spray bottle with hot tap water and soap and vinegar. Soak the board, see what comes off....

13 replies | 274 view(s)

October 19th, 2018, 07:47 PM

2icebitn replied to a thread How To Deal With a System That Belonged To A Very Heavy Smoker? in Vintage Computer Hardware

Cleaning vinegar will destroy stinky feet odor, and even cat piss. In fact with repeated application (i.e soaking) with hot water and vinegar,...

13 replies | 274 view(s)

October 19th, 2018, 06:12 PM

2icebitn replied to a thread How To Deal With a System That Belonged To A Very Heavy Smoker? in Vintage Computer Hardware

For starters, put it in a bin of some sort, bathtub, sink, douse it with hottish water and dish detergent. Say 2 tablespoons per pint. deluge it, let...

13 replies | 274 view(s)

October 19th, 2018, 12:28 PM

2icebitn replied to a thread Quadra 950 info needed - Any old skool graphic designers out there? in Later Apple (68000+ based machines - Mac, Lisa, etc.)

Macs in general (1987 - 199?) don't have a default video mode. The cable or adapter selects it. The db15 to bnc cables I have default (by design) to...

10 replies | 187 view(s)

October 18th, 2018, 07:57 PM

2icebitn started a thread WTB: SGI Indigo 2 parts in Vintage Computer Items Wanted

For the purple puter: need a 5 1/4" drive sled, an optical drive, and the door/flap. I also need a teal case. Just the plastic is fine. PM...

0 replies | 56 view(s)

October 18th, 2018, 07:20 PM

2icebitn replied to a thread PC6300 no longer POSTs in PCs and Clones

Many thanks Jimbo.

72 replies | 6972 view(s)