Updates to the Dick Smith System 80 site

2019-06-01 Thread Terry Stewart via cctalk
. It's 20 years since the site went live! Terry Stewart (Tez)

Re: The Retro Search is back up

2019-04-02 Thread Terry Stewart via cctalk
>>On Apr 1, 2019, at 7:11 PM, Kevin Parker via cctalk wrote: >> >>This will mostly interest TRS-80 enthusiasts on this list. >> >> Check it out at theretrosearch.com >> >Thank you for this, Kevin! This is awesome Kevin! Terry

More recovered Exidy Sorcerer software

2018-12-27 Thread Terry Stewart via cctalk
Hi, Merry Xmas and Happy New Year (or Happy Holidays if that is your flavour), Just to note to those interested in the Exidy Sorcerer. I've added 18 more programs to the Sorcerer archive at https://www.classic-computers.org.nz/blog/2017-01-23-software-for-real-sorcerers.htm . To see what they

A New Zealand-based early '80s microcomputer retailer talks about his experience

2018-08-29 Thread Terry Stewart via cctalk
This won't be of interest to everyone, but if you want to hear what it was like to open and run a microcomputer store in New Zealand back in the early 1980s, it's captured here. https://www.classic-computers.org.nz/blog/2018-08-23-viscount-electronics.htm Terry (Tez)

Re: 8 inch floppies, decaying

2018-07-11 Thread Terry Stewart via cctalk
Just my experience, I once did a trial where I took two identical 5,25 inch disks of the same batch from the same manufacturer. These were clean disks which both formatted and verified just fine, but I wanted to see if IPA did indeed damage the disk. One I swabbed one with 75% IPA, the other

An NTSC Atari looks good on a PAL TV. How come?

2018-03-07 Thread Terry Stewart via cctalk
Hi, The PAL vrs NTSC TV standard complicated things when collecting home computers from other countries. In New Zealand we are on PAL. PAL Atari 800s are rarer in the world that NTSC ones. That being the case I recently settled on an NTSC one for my collection. Hooking it up to a couple of my

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-11 Thread Terry Stewart via cctalk
>Sure. Neither would I. But how is this relevant to the CHWiki question? >> If I had to go to that extent of writing it as a robust, referenced, >> refereed, definitive technical article, I probably wouldn't bother. If I was writing an article as a contributor for a reference wiki, I wouldn't

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-11 Thread Terry Stewart via cctalk
Given that my article started this discussion, I should add my 2 cents worth. I’ll continue to do what I’m doing rather than putting this stuff on CHWiki. Grant’s motivations and explanations for posting on his site are pretty much the same as mine. I document these things largely for myself as

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-08 Thread Terry Stewart via cctalk
>That link mentions ExittoDOS.pif, and searches for it turn up related information about dosstart.bat. >I'd suggest digging around for them and some web searches. Hmm..interesting. >From a brief search and a test it seems using these files (or at least ones similar to those described) may have

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-08 Thread Terry Stewart via cctalk
>I recall using these drivers several years ago. >As I recall, the problem is that they're not amenable to hot-swapping. >That is, is you're using a USB flash drive with them, there was no code >that allowed you to remove the drive and substitute another without >rebooting. >Has this situation

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-07 Thread Terry Stewart via cctalk
I needed an MS-DOS 7.1 environment to give me FAT 32 hence the config.sys "menu" system. Terry (Tez) On Thu, Feb 8, 2018 at 4:20 PM, Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > On 02/06/2018 12:58 PM, Terry Stewart via cctalk wrote: > >> T

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-07 Thread Terry Stewart via cctalk
On Thu, Feb 8, 2018 at 9:28 AM, Curious Marc wrote: > Thanks Terry, I need to get my DOS7.1/Win98 Dolch to speak USB, that will > be helpful, particularly the DOS portion. I got my Win98 networked to Win7, > it's not that hard *once you know* and works really well. You

How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

2018-02-06 Thread Terry Stewart via cctalk
The title might suggest to topic is not vintage, but the reason I did this myself was to facilitate classic computer disk imaging. I’ve recently given USB drive capability to the MS-DOS 7.1 environment in a Windows 98SE computer I use for the purpose above. It was a bit of work configuring the

Re: IBM 9331-011 8" External Floppy Drive - eBay 183038271095

2018-02-01 Thread Terry Stewart via cctalk
> > > But, you have to tread very carefully. Because SOMETIMES [now rarely], > they could mean the PRE-5150 definition where "IBM compatible" meant > 3740/SSSD 8" with 128 byte sectors. > 5150 really was a danger to itself and/or others; it totally destroyed the > meaning ot "IBM compatible"

Re: IBM 9331-011 8" External Floppy Drive - eBay 183038271095

2018-02-01 Thread Terry Stewart via cctalk
>but dbit.com offers an adapter called an >FDADAP that >lets you connect a 50 pin 8" disk to the PC controller. I have a couple >and they work great. I second that. I've got one and works just as it should. Terry (Tez)

Re: IBM 9331-011 8" External Floppy Drive - eBay 183038271095

2018-02-01 Thread Terry Stewart via cctalk
> > > DOS/Windoze will have absolutely no idea how to understand what is on the > disk. > > Makes me thinks of the time a few months ago when a lab on our campus wanted me to read some 8 inch disks in the archives for them. The IT manager said "I think they are IBM-compatible" (and by that he

Even old accounting software needs love and rescuing from oblivion

2018-01-14 Thread Terry Stewart via cctalk
Hi folks, On the weekend I rescued some old software. It gave me an excuse to get my first micro out of its box and stretch its legs. Accounting packages hardly set the world alight but being a Dick Smith release for the System 80, it does have its place in Australasian computer history.

DP 1000 and filing off IC identifiers? Why?

2018-01-09 Thread Terry Stewart via cctalk
Hi, My apologies for cross-posting. I’m putting this on a few of the forums I have a third party TRS-80 Model 1 expansion unit that I used with my System 80 when I first got disk drives. I’ve decided I should add some pics and info to the System 80 website as I know they were used here in

Re: Does anyone recognise this please

2017-09-03 Thread Terry Stewart via cctalk
It looks very much like the Vic-20 one I have. Terry (Tez)

Re: Service manual for IBM PS/2 Monochrome Display?

2017-08-17 Thread Terry Stewart via cctalk
> > >IBM service manuals (certainly for PCs, PS/2s etc) did not normally > contain > >schematics. They were for repairs at the FRU (Field Replaceable Unit) > level, > >which is probably the complete monitor!. > I think you are right. Thanks Tony. It might have to remain an ornament. Terry

Service manual for IBM PS/2 Monochrome Display?

2017-08-16 Thread Terry Stewart via cctalk
(Note: Also posted to VCF) Hi Guys, It's a long shot but I’m searching for a manual, which hopefully someone has scanned somewhere. In my latest “check-my-gear-works” audit, an IBM PS/2 monitor failed. It worked initially although brightness and contrast needed to be almost fully up to see

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-05 Thread Terry Stewart via cctalk
?Anadisk tells me the disks are Single Sided, Single Density. > It can see ID marks as it tracks a disk but that is all. It can't see any data. >Could be an RX02 disk as people say Oh, and sector size is 128 bytes. On Sat, May 6, 2017 at 9:58 AM, Terry Stewart <te...@webweav

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-05 Thread Terry Stewart via cctalk
>In case not everyone noticed, but Terry's already given up on this Lol, true. The disks will be given back on Monday. It's no big deal. The owners can decided what they want to do. Even if I can't read it the disks, however, pondering just what the format might be is fun. I'm certainly

Re: Re: Extracting files off unknown 8 inch disks. Any thoughts

2017-05-04 Thread Terry Stewart via cctalk
>First if they are DEC its one of two formats either FM aka RX01 or FM2 >aka RX02. >(..an in-depth explanation) >How do I know. I have PDP-8, PDP11 (with RX02) and VAX (qbus uVAX, >uVAX2000, and 3100 family). >I used to and still do exchange between RT-11 and CP/M using RX01 mode >and a CP/M

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
>The 'RX02' format used by PUTR is actually IBM System 34 format, >since DEC's 8" DD disks use a strange combination of SD headers >with non-standard ID marks, and DD data fields, that can't be >accessed with a standard PC FDC regardless of the software used." Right. It's definitely a

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
cctalk wrote: > > > On 5/4/2017 6:16 PM, Terry Stewart via cctalk wrote: > >>> If these are from a VAX, could they be microcode disks for a > >>> 11/780? > >> There was a RX01 attached via a LSI-11 as console. > > > > And yet, if there were an RX0

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
>And yet, if there were an RX02 somewhere on this VAX, I don't believe you'd be able to read them at all... RX02 seeming more likely with a VAX. Interestingly PUTR, does seem to accommodate this, and the kind of system I have set up (i.e. 1.2 MB 5.25 inch in CMOS even though it's an 8 inch

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
n ODS2. > > Jerry Weiss > j...@ieee.org > > > > On May 4, 2017, at 4:41 PM, Terry Stewart via cctalk < > cctalk@classiccmp.org> wrote: > > > > Hi guys, > > > > Just tying up some unfinished business. Right at the beginning of this > > th

Re: Re: Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
>Is your 8 inch setup capable of FM/single density? >I think that Dave has a utility to test that. Yes, quite capable. It passes Dave's test and I have read/written in single density when archiving other stuff. Archiving my FM/single density POLY and Panasonic stuff was no problem.

Re: Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
>Does your system handle single density? (some FDCs do; some don't) Oh, yes it does.

Re: Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
>Using IMD, or other tools, can you determine the density, bytes per sector, and sectors per track of the disks (try at least 2) >Also, is the data recorded single sided, or both sides? >If you can read it with IMD, then you can start wading through content within sectors to get more clues about

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-05-04 Thread Terry Stewart via cctalk
Hi guys, Just tying up some unfinished business. Right at the beginning of this thread I said... >Guys in the building next door to me (a Science lab) have found some 8 inch floppy disks. >They want to see what’s on them, or at least to archive them. >They have no idea what machine these disks

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-04-17 Thread Terry Stewart via cctalk
>If you can find an old registered copy of FORMATQM, it allowed very >flexible formatting. So, you could format a DMF floppy by defining a >format in the FORMATS.CFG file thus: Reminds me of NEWDOS/80 V2 on the TRS-80 Mod 1/III. The PDRIVE command let you define your very own disk format! No

Re: Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-04-17 Thread Terry Stewart via cctalk
>>It may also be that is just doesn't support 77 and can only do 80 tracks. >I don't think it is this. I can format it fine with 77 tracks using 22DSK and IMD. It has no problem reading or >writing to 77 track formatted disks. Oh sorry Dwight, I thought you meant the drive here. You mean

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-04-17 Thread Terry Stewart via cctalk
>It may also be that is just doesn't support 77 and can only do 80 tracks. I don't think it is this. I can format it fine with 77 tracks using 22DSK and IMD. It has no problem reading or writing to 77 track formatted disks. Terry

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-04-17 Thread Terry Stewart via cctalk
>Here's a writeup for those interested: >http://www.classic-computers.org.nz/blog/2017-04-15- adventures-with-an-8-inch-disk-drive-part1.htm One thing in this project puzzled me. Initially when I was testing the drive I tried to format it for 77-tracks. I used the command FORMAT B: /u /T:77

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-04-17 Thread Terry Stewart via cctalk
Hi, Just an update on this. I still haven't got those 8' floppies of unknown origin to play with but I HAVE made a lot of progress with my own disks. Thanks to everyone who gave me help with this. Here's a writeup for those interested:

Re: New addition to the collection

2017-03-25 Thread Terry Stewart via cctalk
Re NEC 8201a... This is a machine I have a lot if fondness for. Wrote many article drafts and crunched a lot of numbers on that little unit. Terry (Tez)

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-24 Thread Terry Stewart via cctalk
>I'll add one more note that an 8" drive supports 77 tracks/cylinders, >where a 5.25" high-density drive supports 80. So be careful. Noted. Everything is now ready waiting for those bits and pieces to arrive from the U.S. Last night I spent some time going deeper into IMD118, 22DISK and

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-23 Thread Terry Stewart via cctalk
>For what it's worth, unless you're intent on *writing* 8" single-density >floppies on the PC, the interconnect between the 8" drive 50-conductor >cable and the PC 34-conductor one is pretty straightforward. You don't >need a FDADAP board for that, although it's very convenient. Yes, and I'm all

Re: RE: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-23 Thread Terry Stewart via cctalk
>Let's start with determining the hardware aspects to see whether Terry's machines are capable of reading the disks. Yes, this is the first step for me. Last night I pulled out an MS-DOS 486 that seems capable. It can read/write single density according to TESTFDC. This is the machine I'll use.

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-23 Thread Terry Stewart via cctalk
gt; > > >> On 03/22/2017 08:39 PM, Terry Stewart via cctalk wrote: > >> > >> Chuck, in the highly likely event of the formats NOT being common > >> CP/M or DOS ones (i.e. ones I could probably manage), I'll give these > >> guys your email (-: > > &

Re: Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-22 Thread Terry Stewart via cctalk
Thanks Guys, Now I'm intimidated (-: Just kiddingthat's useful stuff Fred. Thanks for taking the time to type all that out. I'll give it a go...and see what I can see. If anything it's a good excuse for me to wire the drive up. I'd like to image those Panasonic disks one day for

Extracting files off “unknown” 8 inch disks. Any thoughts…

2017-03-22 Thread Terry Stewart via cctalk
Hi, I’ve posted this to the VCF too…apologies for cross-posting. I’d be grateful for any guidance or comments anyone could give me on this problem. Guys in the building next door to me (a Science lab) have found some 8 inch floppy disks. They want to see what’s on them, or at least to

User group magazine scans for an orphan computer model

2017-03-18 Thread Terry Stewart via cctalk
I've been scanning some user group newsletters. Reading them today reveals just how important they were for orphan machines home computers like the EACA Colour Genie. Even if you're not interested in that model, they are worth a look as they do reflect the "user club" scene of the day. I'm

Re: VIC 20 in film

2017-02-25 Thread Terry Stewart
I've never seen one in a film but one did appear in the New Zealand comedy "Flight of the Conchords" running New Zealand Government Internet 1.1 (: https://youtu.be/M-vNLCiJlng Terry (Tez) On Sat, Feb 25, 2017 at 8:46 PM, Eric Smith wrote: > Anyone else notice it in _John

Sorcerer Software

2017-01-28 Thread Terry Stewart
For anyone who has a newly acquired an Exidy Sorcerer, this page might be helpful. http://www.classic-computers.org.nz/blog/2017-01-23-software-for-real-sorcerers.htm Terry (Tez)

Re: What is the most amount of money you've spent on a computer or computer-related item?

2017-01-12 Thread Terry Stewart
I find generally I haven't paid too much for the gear I've got. However, it's not the initial payment, it's the shipping (huge when your talking about New Zealand from anywhere), and then the bits and pieces you might have to buy to repair/restore the said item. These two incidentals often cost

Polycorp Poly repair (b)log

2017-01-09 Thread Terry Stewart
A few months ago I picked up some Polycorp Polys, a computer designed specifically for the educational market in New Zealand. One worked and one didn't. The latter is now fixed. As usual I've written it up with lots of pictures. If anyone is interested you can read about it here.

Re: Year 2017

2017-01-01 Thread Terry Stewart
Yes, happy New Year's everyone. 2017 is the year where I'll give my 60+ computers a health check. For most the last time this happened was 2015. Not a comprehensive test, but a switch on, check the video looks ok and is stable, PEEK/POKE the RAM, make sure all the keys work and storage media is

The Dick Smith System 80, as sold to New Zealanders

2016-12-26 Thread Terry Stewart
Over this Xmas break I've grabbed some time to add a few bits and pieces to my Dick Smith System 80 website. Some on the list might find this stuff interesting, hence the post. For those who might not know, Dick Smith was a colourful Australian entrepreneur (and helicopter pilot), who pioneered a

The CHALLENGER 1P Technical Report

2016-12-25 Thread Terry Stewart
Hi, Please forgive me if this OSI document is already on the web somewhere. I looked but couldn't find it. I have a copy so I scanned it. It can be downloaded at: http://www.classic-computers.org.nz/blog/2016-12-25-OSI-CP1-technical-report.htm Feel free to link to it, or place it in other OSI

Re: General public machines (Was: Altair 8800 name Was: Re: Altair 680 Expansion Boards?

2016-12-23 Thread Terry Stewart
On 24/12/2016 8:32 AM, "Fred Cisin" wrote: NO source is completely reliable. >> > On Fri, 23 Dec 2016, allison wrote: Most number and data I see to day in the popular media is just plain wrong. > particularly on anything like this. Surely, there must have been some

Re: Reasonable price for a complete SOL-20 system?

2016-10-26 Thread Terry Stewart
> > >Oh yes, the styling is clearly very similar. I like the built-in tape > drive. Do you think that was likely inspired by the Commodore Pet? > It could have been. I think EACA were looking at something people could just pick up, take home and use without extra cables and "other bits". This is

Re: Reasonable price for a complete SOL-20 system?

2016-10-25 Thread Terry Stewart
>I bought the lovely SOL-20 system yesterday. Picture: >https://twitter.com/nf6x/status/790631315695513600 Lovely. I'm sure the sloping wood-(veener) sided case design of the Dick Smith System 80 was inspired by the SOL.

Re: Archived viruses, was Re: Reasonable price for a complete SOL-20 system?

2016-10-24 Thread Terry Stewart
Here is some I wrote some time ago on my experiences with vintage viruses. Bear in mind it's a narrative (and hence somewhat long-winded and rambling) but anyway..here it is for anyone interested... http://www.classic-computers.org.nz/blog/2009-08-30-vintage-viruses.htm Terry (Tez)

Re: Archived viruses, was Re: Reasonable price for a complete SOL-20 system?

2016-10-22 Thread Terry Stewart
> I used to work for AVG; I can ask if you like. My copy of AVG detected the stoned virus on an old floppy on my WinXP machine a couple of years ago. Terry (Tez)

Re: Getting out of the hobby

2016-10-11 Thread Terry Stewart
Yes, some things I've enjoy about the hobby is.. 1. Admiring the "design" aspect of machines back in those days (all unique and all different) and experiencing them hands-on 2. Learning about the machines, their origins and purpose (from reading, watching videos and hands on) and thereby

Re: New acquisition. Ploycorp Poly 1. New Zealand school computer

2016-10-09 Thread Terry Stewart
> wrote: > > > Cool system. > > > > Bill Degnan > > twitter: billdeg > > vintagecomputer.net > > On Oct 8, 2016 5:33 AM, "Terry Stewart" <te...@webweavers.co.nz> wrote: > > > > > Hi guys, > > > > >

New acquisition. Ploycorp Poly 1. New Zealand school computer

2016-10-08 Thread Terry Stewart
Hi guys, In case anyone is interested... http://www.classic-computers.org.nz/blog/2016-10-9-poly-acquisition.htm This could have been the BBC of New Zealand schools... (-: Terry (Tez)

Epson QX games (with graphics) (was Epson QX-10, battery removal)

2016-07-17 Thread Terry Stewart
BTW, while we discussing the QX-10 I'd love to hear from anyone that has any games which show off its nice green-screen graphics. Terry (Tez)

Re: Epson QX-10, battery removal

2016-07-17 Thread Terry Stewart
ter the CMOS parameters each time I drag it out. (: Cheers Terry (Tez) On Mon, Jul 18, 2016 at 9:52 AM, Hagstrom, Paul <hagst...@bu.edu> wrote: > > > On Jul 17, 2016, at 4:57 PM, Terry Stewart <te...@webweavers.co.nz> > wrote: > > > >> Anyone here successf

Re: Epson QX-10, battery removal

2016-07-17 Thread Terry Stewart
>Anyone here successfully replaced the battery? Hi Paul, As I mentioned, I did try a standard Lithium battery after disabling the recharging circuit. The machine just would not fire up boot. I haven't tried a NiMH or Lithium ion rechargeable though. I'd be interested to know if these work.

Re: Epson QX-10, battery removal

2016-07-17 Thread Terry Stewart
Hi Jules I found removing my QX-10's battery stopped the machines working. I tried replacing it with a lithium battery after disabling the recharging circuit but that didn't work either. The old battery doesn't show any signs of leaking so I just left it in there. I check all my machines with

Youtube show and tell of that Bondi Blue iMac I posted a while back

2016-07-12 Thread Terry Stewart
In case anyone is interested: https://youtu.be/JrBqqL6VS6M Terry (Tez)

Re: word processor history -- interesting article (Evan Koblentz)

2016-07-07 Thread Terry Stewart
>To this day, I still use "joe" as my all-around text editor under Linux >and BSD. It uses mostly WS key conventions. I remember using "Runoff" (for formatting text) and "Junior" (full screen editor) on a PRIME. Then there was "Mince" which I think was a "Junior" port to the IBM-PC? Terry

Latest addition: A bondi-blue iMac

2016-06-30 Thread Terry Stewart
My classic/vintage computer activity has taken a back seat lately but I did find a machine I had on the "classic" list for some time. It's now part of the collection. http://www.classic-computers.org.nz/collection/imac.htm Some would say this is not vintage, classic or collectible (and so

Re: classics I threw away or sold ... foolishly

2016-05-18 Thread Terry Stewart
Yes, sometimes these things are thrown away in ignorance. Before I got into the hobby I junked a 40 track, SS Tandon drive because I figured something had broken. Now I know more, I'm sure it was just dirty heads from using degraded disks. Something a minute or two with a wet q-tip would have

Re: Vintage Computer Festivals???

2016-04-18 Thread Terry Stewart
>Over here you have rows and rows of beautiful old cars shining in the sun (of course at VCF the equipment is running, not just sitting there!), >and over on the other side you've got people selling stuff. These shows appeal to a much wider audience than just the people who actually buy antique

Re: Vintage Computer Forum

2016-04-14 Thread Terry Stewart
>It does for me. >www.vintage-computer.com/vcforum/ >> http://www.vcfed.org/forum/activity.php Yes, me too. My experience of the whole thing was a seamless one. I'm redirected from my old bookmarked link and everything works just as it did. Terry (Tez)

Colour composite video for the BBC micro

2016-01-11 Thread Terry Stewart
Sometimes capability is already built in but not widely known or publicized. Sometimes all it needs is a jumper! http://www.classic-computers.org.nz/blog/2016-01-12-composite-video-for-bbc.htm Terry (Tez)

Re: Floppy recovery

2016-01-05 Thread Terry Stewart
>I wonder how it could take them three months to figure something out. Maybe Chuck can comment. Yes, I would have thought an old MSDOS machine with a 360k 5.25 inch floppy drive plus Chuck's 22DISK program and the job could have been done in a day? Might be more too it than it seems maybe...

Re: Floppy recovery

2016-01-05 Thread Terry Stewart
at 10:03 AM, peter <pe...@rittwage.com> wrote: > On 2016-01-05 15:56, Terry Stewart wrote: > >> I wonder how it could take them three months to figure something out. >>> >> Maybe Chuck can comment. >> >> Yes, I would have thought an old MSDOS machine

Re: Experiences with a composite video mod for a Sinclair ZX81

2016-01-02 Thread Terry Stewart
On 3/01/2016 2:50 pm, "drlegendre ." wrote: > > Thanks Terry, fair enough. =) > > Has it been done with the ubiquitous 2NA? That one is probably in > everybody's kit.. it might be even more common than the 3904 > > Wondering.. is there a way to re-purpose that Chan. 3/4

Experiences with a composite video mod for a Sinclair ZX81

2016-01-02 Thread Terry Stewart
Going through and testing the collection over this Xmas period also prods me into doing mods I've procrastinated about. A very simple mod but here is a write up for anyone who is interested... http://www.classic-computers.org.nz/blog/2016-01-03-composite-video-for-zx81.htm Terry (Tez)

Re: Experiences with a composite video mod for a Sinclair ZX81

2016-01-02 Thread Terry Stewart
On 3/01/2016 12:48 pm, "drlegendre ." wrote: > > Which type of transistor did you use for the mod? I don't see that in the > writeup.. though I could well be missing it. > > Linked article says only "simple NPN" Good point. I'll have to mention it. It was just a common

Apple IIe Platinum key mechanism replacement

2015-12-27 Thread Terry Stewart
Making my junk look less like junk. Nothing groundbreaking for the engineers in this group but may be of interest to those voyeurs/nostalgerists that like looking at close-ups of the keycaps...or not... http://www.classic-computers.org.nz/blog/2015-12-27-appleiIIe-plantinum-keycap-replacement.htm

Re: Merry Christmas

2015-12-26 Thread Terry Stewart
Yes Merry Christmas from down under! Terry (tez) On 27/12/2015 5:37 am, "Jon Elson" wrote: > Yes, I also want to wish everybody, and Jay, especially, a merry Christmas > and a happy new year! > > Jon >

Re: Piggybacking 74LS logic chips to confirm a suspected fault

2015-12-22 Thread Terry Stewart
Bos" <hp-...@xs4all.nl> escreveu: > > > > > > > > -Oorspronkelijk bericht----- > > > Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Terry > Stewart > > > Verzonden: dinsdag 22 december 2015 21:50 > > > Aan: General Discussion: On-Topi

Piggybacking 74LS logic chips to confirm a suspected fault

2015-12-22 Thread Terry Stewart
Hi, I've written up my recent third Apple II repair, this time an Apple IIe. http://www.classic-computers.org.nz/blog/2015-12-22-appleiIIe-no-video.htm One interesting aspect of this repair is that piggy-backing a logic chip helped confirm a faulty one. I'd only ever used this technique with

Another apple II+ repair

2015-12-17 Thread Terry Stewart
For anyone interested, here's another repair writeup. I didn't keep as good a notes as I should have on this one and the memory (my memory!) is of little help. If I'm going write these things up I really should do it straight afterwards! Anyway, the board lives now. It's something I could never

Apple II+ repair details

2015-11-30 Thread Terry Stewart
Speaking of Schrodinger's feline, here are details of my recent Apple II+ repair for those who might be interested: http://www.classic-computers.org.nz/blog/2015-11-29-more-repairs-to-my-appleII+.htm Terry (Tez)

Re: Apple II+ repair details

2015-11-30 Thread Terry Stewart
:20 AM, jwsmobile <j...@jwsss.com> wrote: > > On 11/30/2015 12:18 PM, Terry Stewart wrote: > >> Speaking of Schrodinger's feline, here are details of my recent Apple II+ >> repair for those who might be interested: >> >> http://www.classic-computers.org.nz/blo

Re: Apple II+ repair details

2015-11-30 Thread Terry Stewart
asurement. It might have been enough to force a connection in the socket. Terry (Tez) On Tue, Dec 1, 2015 at 12:22 PM, Terry Stewart <te...@webweavers.co.nz> wrote: > Thanks for those comments Jim, Yes, something to think about. > > Peter Coghlan dropped me a note privately, say

A stored collection piece is a Schrodinger's cat

2015-11-27 Thread Terry Stewart
This self-satirizing flow diagram reflecting my experiences testing computers in my collection may (or may not) amuse some on this forum. I'm sure at least some can relate to the scenarios though... http://www.classic-computers.org.nz/blog/2015-11-28-computer-collectors-testing-flowchart.htm

Re: New logo: Vintage Computer Federation

2015-10-14 Thread Terry Stewart
>As time goes on more computers become vintage. ...as do their owners... (: Terry (Tez) On Thu, Oct 15, 2015 at 8:49 AM, Andrew Burton wrote: > > > - Original Message - > From: "ben" > To: > Sent: Wednesday,

Amstrad external disk drive (FD-1)

2015-10-08 Thread Terry Stewart
More Amstrad restoration, for those who might be interested. http://www.classic-computers.org.nz/blog/2015-10-08-amstrad-fd1-adventure.htm Terry (Tez)

Amstrad CPC6128 joins the rest home

2015-09-25 Thread Terry Stewart
It's a busy life nowadays but never too busy to kit out a newly-acquired Amstrad CPC6128. http://www.classic-computers.org.nz/blog/2015-09-24-amstrad6128-acquire-fix-and-stockup.htm for those who might be interested. It's the first time I've played with those 3 inch disks. Tez

Re: De-yellowing

2015-08-22 Thread Terry Stewart
Has anyone tried ditching the peroxide and simply gone to using a solution of sodium percarbonate (e.g. Oxyclean)? Cheap and pretty shelf-stable in the powder form Yes, I have Chuck. http://www.classic-computers.org.nz/blog/2011-01-21-deyellowing-with-oxy-only.htm Sometimes it doesn't turn out

Re: Creating 5.25 floppies

2015-08-17 Thread Terry Stewart
I've got this hazy memory saying that the boot area (or possibly just the first track?) of the 'DD' CP/M disk might still be FM, though, even though the rest of the disk isn't, and so it needs a FM-capable controller to write out an image. Maybe I'm mixing that up with a different system, though..

Retrochallenge Update (was Re: How many use old browsers (e.g. = Netscape 4 or IE 6) as their ONLY source of web content?)

2015-07-16 Thread Terry Stewart
On Fri, Jul 3, 2015 at 10:26 AM, Terry Stewart te...@webweavers.co.nz wrote: Hi, I'm engaged in a Retrochallenge project where I'm recoding my classic-computers.org.nz site to make it suitable for mobile platforms. I want to modernise the code as well, making it as close to HTML5 standard

Re: How many use old browsers (e.g. = Netscape 4 or IE 6) as their ONLY source of web content?

2015-07-03 Thread Terry Stewart
It loads up fine using Mozilla/5.0 or SWB V1.1-12 based on Seamonkey 1.1.12 (or ...snip... Looks grand in Lynx too. Highlighting IBM XT and pressing enter downloads the picture and displays it using XV as expected. Great, thanks Peter. -- Well,

Re: How many use old browsers (e.g. = Netscape 4 or IE 6) as their ONLY source of web content?

2015-07-02 Thread Terry Stewart
Thanks for all those replies, and feedback on what the test page looked like on various devices. Much appreciated. I see there are various views as expected. I guess it depends on what I want the website to do in the end. One of the reasons I'm doing this is more to make sure the pages are ok

How many use old browsers (e.g. = Netscape 4 or IE 6) as their ONLY source of web content?

2015-07-02 Thread Terry Stewart
Hi, I'm engaged in a Retrochallenge project where I'm recoding my classic-computers.org.nz site to make it suitable for mobile platforms. I want to modernise the code as well, making it as close to HTML5 standard as I can The RetroChallenge blog site is here.

Re: SIO2SD for Atari 8-bits - Just got one.

2015-06-13 Thread Terry Stewart
That is neat where can we get one!? You can order there here: http://lotharek.pl/product.php?pid=63 Terry (Tez) On Sun, Jun 14, 2015 at 2:54 PM, couryho...@aol.com wrote: that is neat where can we get one!? In a message dated 6/13/2015 4:28:28 P.M. US Mountain Standard Time,

Amstrad CPC 464

2015-06-07 Thread Terry Stewart
For any on the list that might be interested... The colourful Amstrad CPC 464. The latest in my stash/hoard/collection to get the YouTube treatment. http://youtu.be/rOuPuE194fo Terry (Tez)