Re: Thousandth data book uploaded to bitsavers

2017-07-13 Thread Jason T via cctalk
On Thu, Jul 13, 2017 at 3:03 PM, Al Kossow via cctalk wrote: > As of this morning, there are now over a thousand data books on bitsavers, > and well over four > million pages in all of the pdfs there. Huzzah! I don't think there's anyone else doing these, and certainly

Re: Xerox stores

2017-07-13 Thread Chuck Guzis via cctalk
On 07/13/2017 09:14 PM, jim stephens via cctalk wrote: > A friend asked about this, figured perfect for here. > Any info? > thanks > Jim Yup, there was definitely one in Santa Clara (IIRC). I picked up a few things at their going-out-of business sale. I think one was a DTC document feeder for

RE: Identifying Some SOT-23 Components

2017-07-13 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow > via cctalk > Sent: 14 July 2017 00:06 > To: cctalk@classiccmp.org > Subject: Re: Identifying Some SOT-23 Components > > > > On 7/13/17 3:24 PM, Rob Jarratt via cctalk wrote: > > > The

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread jim stephens via cctalk
On 7/13/2017 6:52 PM, Jon Elson via cctalk wrote: On 07/13/2017 11:02 AM, jim stephens via cctalk wrote: On 7/13/2017 12:31 AM, Eric Smith via cctalk wrote: There are also vacuum desoldering stations that use "shop air" to derive the vacuum, rather than having an internal pump. I've never

Xerox stores

2017-07-13 Thread jim stephens via cctalk
A friend asked about this, figured perfect for here. Any info? thanks Jim An old (!) friend was just reminding me of the Xerox personal computer circa 1981, which ran CP/M on a Z80 and came with a nifty daisy-wheel printer, and that's all well and good. But he swears they were sold in Xerox

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Jon Elson via cctalk
On 07/13/2017 11:02 AM, jim stephens via cctalk wrote: On 7/13/2017 12:31 AM, Eric Smith via cctalk wrote: There are also vacuum desoldering stations that use "shop air" to derive the vacuum, rather than having an internal pump. I've never used them as I don't normally have an air compressor

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Paul Berger via cctalk
On 2017-07-13 9:26 PM, jim stephens via cctalk wrote: 14-in-1-Welding-Torch-Nozzle-Tip-Cleaner-Cutting-Reamer-Kit-For-Welder-Soldering/ http://www.ebay.com/itm/322411677190 The seller is showing the same sort of kit we used with the DS-100. However I don't know what it has to do with a

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread jim stephens via cctalk
On 7/13/2017 4:50 PM, William Sudbrink via cctalk wrote: That was my experience with Weller and Pace, they clogged way too fast and you had to wait for the glass to cool to clean them. There was a toolkit that Weller supplied with very high temp probes. They cleared the head. you only

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Chuck Guzis via cctalk
On 07/13/2017 03:32 PM, jim stephens via cctalk wrote: > There were off brand tips. made 100% of the difference. We got some of > the ones from non Weller sources and they were just not workable. These weren't--I'm still working on my grocery bag full-o-tips that I picked up for pennies on the

RE: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread William Sudbrink via cctalk
> That was my experience with Weller and Pace, they clogged way too > fast and you had to wait for the glass to cool to clean them. That's part of the "beauty" of the SX-100 (90 and I think 80 as well), they have disposable cardboard traps. The 100 series tips have also been redesigned. I have

Re: Identifying Some SOT-23 Components

2017-07-13 Thread Al Kossow via cctalk
On 7/13/17 4:05 PM, Al Kossow via cctalk wrote: > SD is probably a Schottky diode DS

Re: Identifying Some SOT-23 Components

2017-07-13 Thread Al Kossow via cctalk
On 7/13/17 3:24 PM, Rob Jarratt via cctalk wrote: > The first appears to be a surface mount transistor (it is labelled "TR2"), > the markings are not very clear. On one board it seems to be marked "1N", > and on the spare it is marked "S1A". Neither of these seem to turn up on the > reputable

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Al Kossow via cctalk
On 7/13/17 10:22 AM, Chuck Guzis via cctalk wrote: > It was horrible--the tip would never stay tinned, the glass collector > and hose was always in the way (that glass gets *hot*) and the action > wasn't that good. That was my experience with Weller and Pace, they clogged way too fast and you

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread jim stephens via cctalk
There were off brand tips. made 100% of the difference. We got some of the ones from non Weller sources and they were just not workable. Also your Soldapullit alternative worked in about 1 in 10 uses for me. I suspect the boards I had had different heat characteristics, and I'd usually end

Identifying Some SOT-23 Components

2017-07-13 Thread Rob Jarratt via cctalk
I am still trying to fix my DECstation 220 motherboard. It suffered damage from battery leakage and I have found that replacing a couple of components has improved matters in that the BIOS now seems to execute consistently and the processor does not keep resetting. However the BIOS seems to be in

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Eric Smith via cctalk
On Thu, Jul 13, 2017 at 10:42 AM, William Sudbrink via cctalk < cctalk@classiccmp.org> wrote: > If you have the bucks, go for a Pace station with an SX-100 desoldering > tool. 40 pin chips > fall out like they were never soldered in the first place. > That's my experience with the Hakko

vintage apple collection

2017-07-13 Thread Jay West via cctalk
https://phoenix.craigslist.org/evl/sop/6209023826.html Not connected to the seller in any way, a friend of mine in phx just sent me the link as he knew I was "in to old computers". J

Slightly OT - New Radiohead album comes with a Spectrum ZX easter egg!

2017-07-13 Thread Ali via cctalk
https://www.engadget.com/2017/07/13/radiohead-album-hides-an-app-that-only-r uns-on-an-80s-computer/ Apparently the band Radiohead has issued a special edition album that includes a cassette of some of their demos. The very last recording on the tape turns out to be a Spectrum ZX program that can

Thousandth data book uploaded to bitsavers

2017-07-13 Thread Al Kossow via cctalk
As of this morning, there are now over a thousand data books on bitsavers, and well over four million pages in all of the pdfs there. In the middle of June, I got my fifth large databook collection, and didn't have space for it, so I've been doing dedup/recycling and scanning of what I hadn't

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Mike Loewen via cctalk
On Thu, 13 Jul 2017, Peter Cetinski wrote: On Jul 13, 2017, at 1:23 PM, Mike Loewen via cctalk wrote: I used a Pace rework station in the USAF, vacuum desoldering and hot air - very nice, but pricey. Wow, where were you stationed? In the late 1980s I was at

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Mike Stein via cctalk
- Original Message - From: "Mike Loewen via cctalk" To: "General Discussion: On-Topic and Off-Topic Posts" Sent: Thursday, July 13, 2017 1:23 PM Subject: Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live?

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Peter Cetinski via cctalk
On Jul 13, 2017, at 1:23 PM, Mike Loewen via cctalk wrote: > > I used a Pace rework station in the USAF, vacuum desoldering and hot air - > very nice, but pricey. > Wow, where were you stationed? In the late 1980s I was at Beale AFB working on SR-71 cameras and we

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Mike Loewen via cctalk
On Thu, 13 Jul 2017, systems_glitch via cctalk wrote: I've heard the Pace stations are *very* good. Never personally used one, they're above what I was willing to spend, even used! Thanks, Jonathan I used a Pace rework station in the USAF, vacuum desoldering and hot air - very nice, but

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Chuck Guzis via cctalk
On 07/13/2017 09:02 AM, jim stephens via cctalk wrote: > > > On 7/13/2017 12:31 AM, Eric Smith via cctalk wrote: >> There are also vacuum desoldering stations that use "shop air" to >> derive the vacuum, rather than having an internal pump. I've never >> used them as I don't normally have an air

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread systems_glitch via cctalk
I've heard the Pace stations are *very* good. Never personally used one, they're above what I was willing to spend, even used! Thanks, Jonathan On Thu, Jul 13, 2017 at 12:42 PM, William Sudbrink via cctalk < cctalk@classiccmp.org> wrote: > The 808 is nice, I have one. They come up used on ebay

RE: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread William Sudbrink via cctalk
The 808 is nice, I have one. They come up used on ebay from time to time relatively cheap. But I've been spoiled now. If you have the bucks, go for a Pace station with an SX-100 desoldering tool. 40 pin chips fall out like they were never soldered in the first place. I removed five S-100

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread systems_glitch via cctalk
Watch out with using compressed gas duster (*not* canned air) on anything hot. It can decompose into pretty horrible compounds, among them (depending on duster type) phosgene gas and/or hydrogen fluoride. The current batch I've got is difluroethane and will decompose HF gas (which of course

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread jim stephens via cctalk
On 7/13/2017 12:31 AM, Eric Smith via cctalk wrote: There are also vacuum desoldering stations that use "shop air" to derive the vacuum, rather than having an internal pump. I've never used them as I don't normally have an air compressor anywhere near my electronics workbench. This works very

Re: IBM 5110 - Where does the character set live? And other questions.

2017-07-13 Thread Robert via cctalk
On Thu, Jul 13, 2017 at 2:12 AM, Camiel Vanderhoeven via cctalk wrote: > Only the last bit to shift out of the register will have passed through > all flip-flops; numbering the flip-flops in such a way that the flip-flop > furthest away from the output is the first

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Robert via cctalk
On Thu, Jul 13, 2017 at 2:31 AM, Eric Smith wrote: > 2) vacuum desoldering gun: lots of people liked the Hakko 808, but it's > discontiued. The Hakko FR-300 looks like a reasonable replacement, and sells > for around $310. The drawback compared to the vacuum desoldering

Re: IBM 5110 - Where does the character set live? And other questions.

2017-07-13 Thread Camiel Vanderhoeven via cctalk
On 7/13/17, 4:38 AM, "cctalk on behalf of Robert via cctalk" wrote: >It does look like that last column (or possibly two) is missing, >doesn't it? Going back to the info on your excellent site, the shift >register does seem a

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread systems_glitch via cctalk
Another vote for the Hakko 472D. You can pick them up cheaply as used equipment. Do note that if you prefer the gun style handle over the pencil style, you can interchange them. If you have shop air, there's an even cheaper Hakko 470B -- I've heard it's a better/more effective pump than the 472D's

Re: Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Peter Cetinski via cctalk
> On Jul 13, 2017, at 3:31 AM, Eric Smith via cctalk > wrote: > > > 2) vacuum desoldering gun: lots of people liked the Hakko 808, but it's > discontiued. The Hakko FR-300 looks like a reasonable replacement, and > sells for around $310. The drawback compared to the

Through-hole desoldering (was Re: IBM 5110 - Where does the character set live? And other questions.)

2017-07-13 Thread Eric Smith via cctalk
On Wed, Jul 12, 2017 at 8:38 PM, Robert via cctalk wrote: > Side note: It's probably not a good time to try out my shiny new heat > gun that I've never yet used. Maybe save my first go on it for > something more replaceable. > A heat gun is definitely NOT the right tool