[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Chuck Guzis via cctalk
On 1/8/23 22:28, Chris via cctalk wrote: > If alcohol isn't a good idea, white vinegar or dilute ammonia could also > work. Ammonia is the world's best peneyrant as far as I'm concerned. But to > get into deep crevaces and crannies it needs time. Sometimes 24 - 48 hours. > It will remove

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Chris via cctalk
If alcohol isn't a good idea, white vinegar or dilute ammonia could also work. Ammonia is the world's best peneyrant as far as I'm concerned. But to get into deep crevaces and crannies it needs time. Sometimes 24 - 48 hours. It will remove somenpaint lickity split.

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Chris Zach via cctalk
When reading old floppies, how often is it advisable to clean the drive? I managed the first 3.5” floppies no problem, I’m using a USB Floppy Drive hooked up to my Mac Laptop, I was able to image them using “Disk Utility”. The next two floppies have had errors. Though I think I was able to

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Chris Zach via cctalk
I think I've only ever seen pictures. I know I haven't seen one up close. There is "close" and there is "this thing is going to tip over on me" close. It was pretty impressive: Amazing lights panel that would allow you to see what it was doing, what sector and track you were on, and all

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Grant Taylor via cctalk
On 1/8/23 8:41 PM, Doc Shipley via cctalk wrote: I avoid Disk Utility like the plague. Doc, will you please elaborate on why you avoid the Disk Utility (.app)? -- Grant. . . . unix || die

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Sellam Abraham via cctalk
When I'm archiving disks and begin to get unrecoverable errors, I do a head cleaning and, if the errors go away, it was a dirty head; but if they don't, something's wrong with the disk. Sellam On Sun, Jan 8, 2023 at 5:29 PM Zane Healy via cctalk wrote: > When reading old floppies, how often is

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Doc Shipley via cctalk
On 1/8/23 19:29, Zane Healy via cctalk wrote: When reading old floppies, how often is it advisable to clean the drive? I managed the first 3.5” floppies no problem, I’m using a USB Floppy Drive hooked up to my Mac Laptop, I was able to image them using “Disk Utility”. The next two floppies

[cctalk] Re: [SPAM] Re: what is on topic?

2023-01-08 Thread Ethan Dicks via cctalk
On Sun, Jan 8, 2023 at 11:52 AM Liam Proven via cctalk wrote: > > Win95/Win98 would be happy with a PC/AT 286, with appropriate RAM > > Nope. 32-bit only. 386DX or later. I tried it and benchmarked it at > the time of release. And it beat WfWg 3.11 by a significant margin, to > everyone's

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Warner Losh via cctalk
For 5.25" RX50 floppies, I imaged 400 of them before I needed to clean the drive... and even then I'm not sure it needed it... Warner On Sun, Jan 8, 2023, 6:29 PM Zane Healy via cctalk wrote: > When reading old floppies, how often is it advisable to clean the drive? > I managed the first 3.5”

[cctalk] Re: Reading Old Floppies

2023-01-08 Thread Chris via cctalk
I think people use alcohol to clean the ceramic heads. Not complicated, but getting in there ... You could also think about vacuuming or blowing crap out of the mechanism before cleaning the heads. Disks give errors, duh. Whatever you use to image a disk, use it as a first attempt, as that

[cctalk] Reading Old Floppies

2023-01-08 Thread Zane Healy via cctalk
When reading old floppies, how often is it advisable to clean the drive? I managed the first 3.5” floppies no problem, I’m using a USB Floppy Drive hooked up to my Mac Laptop, I was able to image them using “Disk Utility”. The next two floppies have had errors. Though I think I was able to

[cctalk] Re: PT-68K

2023-01-08 Thread Chris via cctalk
And I seem to recall a Rich Cini that used to have an MPX-16. Wish there was a list about that also ... On Sunday, January 8, 2023, 01:50:03 PM EST, Richard Cini via cctalk wrote: I remember it from when I subscribed. I just did a quick check and they ran the article in late-1987

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Ethan Dicks via cctalk
On Sun, Jan 8, 2023 at 1:50 PM Chris Zach via cctalk wrote: > That will be complex. I had an RK8 disk controller (the 6 foot cabinet > that was it) along with a pair of the RK03 disk drives and it was (a) > insane, (b) heavy beyond belief, and (c) finicky. I think I've only ever seen pictures.

[cctalk] Re: DEC/HP computers from deceased collector (nr Andover UK)

2023-01-08 Thread rankest_rappels0g--- via cctalk
I would love a go at some fo these if no one of longer standing on this list has shown interest (I only recently signed up). Many thanks

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Vincent Slyngstad via cctalk
On 1/8/2023 3:34 AM, jos via cctalk wrote: Is it even possible to add a diskdrive to a PDP8/L ? My 1970 "Small computer handbook" only mentions TU55/TC01 and DF32 as mass-storage options for the 8/L. Both are essentially unobtainable. As others have suggested, a "period correct" 8/L solution

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread jake utley via cctalk
I got the 8L pretty cheap on eBay a few years back after it had been stripped for parts so it’s been a long restoration project this is why I’m so attached to it. Now that I’ve learnt that for the L I won’t be running anything other than paper tape I’m ok with that as I do like the limitations.

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Ethan Dicks via cctalk
On Sun, Jan 8, 2023 at 6:40 AM jos via cctalk wrote: > On 08.01.23 01:51, jake utley via cctalk wrote: > > Hello everyone I’m a young collector (18) of 60s and 70s minicomputers and > > micros. I have been restoring a PDP-8L and would love to find ether a > > Diablo series 30 or Dec RK03

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Chris Zach via cctalk
Is it even possible to add a diskdrive to a PDP8/L ? My 1970 "Small computer handbook" only mentions TU55/TC01 and DF32 as mass-storage options for the 8/L. Both are essentially unobtainable. Well, yes-ish. I thought about it last night and realized that the pdp8/L *does* have a data break

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread Chris Zach via cctalk
That will be complex. I had an RK8 disk controller (the 6 foot cabinet that was it) along with a pair of the RK03 disk drives and it was (a) insane, (b) heavy beyond belief, and (c) finicky. It also required Data break which is not built into the stock pdp8/L. You would need a BM08 box, and

[cctalk] Re: Downsizing "feeler"

2023-01-08 Thread Chris Zach via cctalk
Sorry to hear that George. I've been clearing out Bob's stuff for a few years now, what I found best was to identify the "commodity" stuff like pdp11's and separate those from the "priceless" stuff like all the Perqs and software. The commodity stuff just sell for whatever. There's a lot of

[cctalk] Re: PT-68K

2023-01-08 Thread Richard Cini via cctalk
I remember it from when I subscribed. I just did a quick check and they ran the article in late-1987 and 1988. It would be a neat project for sure. I took a quick look at the parts list and the only two things that jumped out at me is that there is a delay line and a PAL; everything else still

[cctalk] Re: WTB: IBM 700/c

2023-01-08 Thread Liam Proven via cctalk
On Sat, 7 Jan 2023 at 06:05, skogkatt007--- via cctalk wrote: > > preferably working. Or known screen issues but otherwise working. > the mono version intrigues me (model 700). But I need a color unit to test > out all these screens I have sitting here. > Now if anyone should need a NOS screen

[cctalk] Re: [SPAM] Re: what is on topic?

2023-01-08 Thread Liam Proven via cctalk
On Fri, 23 Dec 2022 at 07:54, Chuck Guzis via cctalk wrote: > Well, if you want to pedantic about it, you certainly could emulate a > 32-bit processor on any reasonably Turing-equivalent processor, given > sufficient memory. It might be incredibly slow, but you could do it. Noted Australian

[cctalk] Re: [SPAM] Re: what is on topic?

2023-01-08 Thread Liam Proven via cctalk
On Thu, 22 Dec 2022 at 23:41, Fred Cisin via cctalk wrote: > > On Thu, 22 Dec 2022, Sellam Abraham via cctalk wrote: > > You've apparently never heard of Tony Duell: last I read he was running > > Windows 98 on an IBM PC/XT or something like that :) Linux on a heavily-upgraded PC-AT with a '386

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread jake utley via cctalk
The nova a 800/1200 series machine and thank you for mentioning about the 8L drives. I’m hesitant to sell or trade it because it does kind of have sentimental value as the first machine I got and especially since it has such a interesting history (nuclear power plant in France). Since those

[cctalk] Re: Diablo series 30 or Dec RK03

2023-01-08 Thread jos via cctalk
On 08.01.23 01:51, jake utley via cctalk wrote: Hello everyone I’m a young collector (18) of 60s and 70s minicomputers and micros. I have been restoring a PDP-8L and would love to find ether a Diablo series 30 or Dec RK03 removable cartridge drive to go with this system. Is it even possible

[cctalk] Re: DEC/HP computers from deceased collector (nr Andover UK)

2023-01-08 Thread Chris Bryant via cctalk
Hi Mark, When I visited, there wasn't any documentation in sight and I would have expected there to be a pile on the floor it it did exist. I will ask. There may be a pause in this as Covid is about in the area and I haven't heard from my mutual friend in a day or two Regards Chris On