Today I received.....

on-topic Acorn-related news and discussions not covered by the other forums
VincentVega
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Re: Today I received.....

Post by VincentVega » Sat Dec 16, 2017 1:30 pm

crj wrote:
VincentVega wrote:I have some 4GB WD Red hard drives waiting to be installed
That would be TB, I hope? Otherwise, I'm afraid I have some bad news for you about how much SD card you can buy for a tenner from Tesco. (-8
Whoops! Yes, 4TB, not 4GB.

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Lardo Boffin
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Re: Today I received.....

Post by Lardo Boffin » Sat Dec 16, 2017 6:21 pm

A DOA breadbin. It was sold as working but clearly got damaged in transit (some cracks in the case and screw plinths broken) and so now only shows a black screen. I have no reason to doubt the seller about it working as he fully refunded it having seen the transit damage.

E79075D6-C184-4E4D-9D40-27E25485EF19.jpeg
Even if I end up sending it off to be fixed it is still a cheap breadbin!


Also some chips thanks to Retroclinic:-

46E1AE94-971E-4F3C-B5E2-7054D9251240.jpeg
I can now fix a dodgy Opus Challenger 3 and upgrade it to 512K. Bonus!
BBC model B 32k issue 4, 16k sideways RAM, Watford 12 ROM board, Retroclinic Datacentre + HDD, Viglen twin 40/80 5.25" discs, acorn cassette, Acorn 6502 coproc
BBC model B 32k issue 7, turboMMC, Opus Challenger 3 512k, Pi 3 coproc
BBC Master

Andy1979
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Re: Today I received.....

Post by Andy1979 » Sun Dec 17, 2017 12:08 pm

Actually received a few weeks ago but haven't had time to play with it until today.

A Fisher-Price blue Hakko FX888D solder station, as recommended in numerous threads on stardot. Glad I decided to spend the extra over some of the stations on Amazon/eBay - it's a quality piece of kit.
IMG_4701.JPG
First job was fixing the vertical lines on my original Gameboy's screen, which is now working perfectly. Just need to remember where I put the double-sided tape now for reassembly.

Alongside the Gameboy I also retrieved a few other bits from my parents' loft, including my Atari Lynx, and a Pentium III system from circa mid-2000 with some very leaky capacitors - another job for the Hakko.

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CMcDougall
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Re: Today I received.....

Post by CMcDougall » Mon Dec 18, 2017 8:57 pm

More Discs from OneSwitch.....
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richw
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Re: Today I received.....

Post by richw » Mon Dec 18, 2017 11:06 pm

Wow. CECC!

They were just down the road from here. I remember their 'EcoMen' launcher thingy for the local school Econets.

Andy1979
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Re: Today I received.....

Post by Andy1979 » Thu Dec 28, 2017 3:14 pm

For Christmas I received a Raspberry Pi Zero W, and an Arduino Uno with a big box of sensors, LEDs, servo motors and other toys. Really clever piece of kit.
IMG_4771.JPG

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IanS
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Re: Today I received.....

Post by IanS » Fri Dec 29, 2017 5:22 pm

Econet Podule PCB. (Rom bit is untested, need to sort out a GAL first)
IMG_20171229_163937585.jpg

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danielj
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Re: Today I received.....

Post by danielj » Fri Dec 29, 2017 5:36 pm

=D> - does it have a podule ID or does it just behave as a modulebodgule, as it were? :)

d.

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IanS
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Re: Today I received.....

Post by IanS » Fri Dec 29, 2017 5:58 pm

If I get the rom working, the podule id will come from the eprom/rom/flash. Currently it's bodge-tastic.

makalu
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Re: Today I received.....

Post by makalu » Sat Dec 30, 2017 2:00 pm

trixster wrote:
RobC wrote:
trixster wrote:I have a bunch of those - the 2001fp. If I recall correctly you need one with a date of July 2007 and earlier.
I have a 2001fp marked March 2006 but it doesn't seem to like my A3000's output unless I use the VGA modes :(
Yeah, I got my dates wrong! It's July 2005 and earlier. I've just checked the three panels I have and all are late 2004/early 2005.
Can anyone confirm that a Dell 2001fp from July 2005 works? One site (url below) says June 2005 or earlier, and another site (url below) says that June 2005 and earlier work but September 2005 and later do not work, so it seems that that July is right on the border.

https://dfarq.homeip.net/lcd-monitor-retro-computing/
http://15khz.wikidot.com/

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trixster
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Re: Today I received.....

Post by trixster » Sun Dec 31, 2017 12:36 pm

I guess me saying July 2005 and earlier might have been a bum steer :(

The three units I have are June 05, June 05 and Sep 04.
A3020 | A3000 | A420/1 | BBC B + 128K RAM/ROM + 20K Shadow + Pi0 + VideoNuLA
Master Turbo + DC + BeebSID | Atom | A4000 060 | A3000 060 | A1200 060 | A500
Atari Falcon 060 | Saturn | PS1 | SNES | CPC6128 | C64 | 3DO | MD | Jaguar

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vanekp
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Re: Today I received.....an Electron

Post by vanekp » Sun Jan 07, 2018 11:13 pm

20180107_233650s.jpg
after a month via ebay parcel service (SLOOOOW) and after 5 min it gave up the ghost 1st hanging then random characters on the screen then nothing..... Re-seated the ULA and it seems to have come back to life again after that.
Peter.

Kazzie
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Re: Today I received..... a Floppy Drive

Post by Kazzie » Mon Jan 08, 2018 10:24 am

18010001.jpg
An Acorn AND01 (single-sided) floppy disk drive, sold for spares with no cables or upper cover. A fixer-upper!

The contained Olivetti OPE FD501 drive's circuit board requires some work, as a pair of wires near the power connector carrying 12V and ground were pressed together, shorting my external power supply. Here they are bent apart again:
18010004.jpg
The disk spins and steps through tracks just fine, but can't read anything from a disk. (It'll apparently format all tracks, but can't write a catalog to track 0 as it can't find the sectors it apparently just put down.) The test point on the output of the MC3470 read amplifier (amplifies head output up to TTL levels) is stuck at 0.15V as the disk spins, so either it's amplifiers are blown or the (just cleaned) head is broken. I'm fancying the MC3470, as it uses both 12V and 5V power inputs, and am waiting for a replacement chip in the post.

Edit: Soldered the new MC3470 in and the drive throws 0C and 0E CRC errors on reading (instead of error 18 previous). After a few minutes of "warming up" it can read and write reliably. So a partial success.
Last edited by Kazzie on Wed Jan 10, 2018 8:08 pm, edited 1 time in total.
Pudsey - BBC Model B 32k issue 7, Sidewise ROM board with 16K RAM
Archimedes 420/1 upgraded to 4MB RAM (mid- restoration)

Commie_User
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Re: Today I received.....

Post by Commie_User » Wed Jan 10, 2018 5:55 pm

Lardo Boffin wrote:
Even if I end up sending it off to be fixed it is still a cheap breadbin!
With those orange keys, you may have an early one, which collectors gasp for. Why not buy one of those brand new motherboards and keep it going for as long as we've seen the BBC now?

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Lardo Boffin
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Re: Today I received.....

Post by Lardo Boffin » Wed Jan 10, 2018 6:42 pm

Commie_User wrote:
Lardo Boffin wrote:
Even if I end up sending it off to be fixed it is still a cheap breadbin!
With those orange keys, you may have an early one, which collectors gasp for. Why not buy one of those brand new motherboards and keep it going for as long as we've seen the BBC now?
Interesting...

Which boards are they? Also how do I identify an early / collectible one?
BBC model B 32k issue 4, 16k sideways RAM, Watford 12 ROM board, Retroclinic Datacentre + HDD, Viglen twin 40/80 5.25" discs, acorn cassette, Acorn 6502 coproc
BBC model B 32k issue 7, turboMMC, Opus Challenger 3 512k, Pi 3 coproc
BBC Master

Commie_User
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Re: Today I received.....

Post by Commie_User » Thu Jan 11, 2018 12:42 am

One thing you can try is matching serial numbers against the registry.

I tell you what, these guys are serious: http://c64preservation.com/dp.php?pg=registry


The motherboard should have a year printed on it, like this one: https://upload.wikimedia.org/wikipedia/ ... d_1984.jpg

The really collectable ones are revisions like the Aldi design and others not specifically general.


Ah, the romance. The 64 may lack the class of the Apple IIc or GS. It may lack the pedigree of the BBC. But get it going, slam in one of the new multi-utility carts and it rocks you out like it was made for the party.

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daveejhitchins
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Re: Today I received.....

Post by daveejhitchins » Thu Jan 11, 2018 6:58 am

Commie_User wrote:I tell you what, these guys are serious: http://c64preservation.com/dp.php?pg=registry
This looks like a really good idea :idea: It could take over from the German Tank thread, however, we'd need someone VERY dedicated to look after it =D>

Dave H :D
Parts: UM6502CE, GAL22V10D, GAL16V8D, AS6C62256A, TC514400AZ, WD1772, R6522, TMS27C512, AT28C256
Products: ARA II, ABR, ATI, AP6, MGC, AP5 . . .
For a price list, contact me at: Retro Hardware AT dave ej hitchins DOT plus DOT com

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Lardo Boffin
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Re: Today I received.....

Post by Lardo Boffin » Thu Jan 11, 2018 9:11 am

Commie_User wrote:One thing you can try is matching serial numbers against the registry.

I tell you what, these guys are serious: http://c64preservation.com/dp.php?pg=registry


The motherboard should have a year printed on it, like this one: https://upload.wikimedia.org/wikipedia/ ... d_1984.jpg

The really collectable ones are revisions like the Aldi design and others not specifically general.


Ah, the romance. The 64 may lack the class of the Apple IIc or GS. It may lack the pedigree of the BBC. But get it going, slam in one of the new multi-utility carts and it rocks you out like it was made for the party.
Interesting links!


Its a 1983:-
5C4C071D-BBDA-4160-AE40-17DF80D9ED1C.jpeg
Main PCB
250407 rev A
FD0F2251-081B-45D7-B505-59F4A41CD9A8.jpeg
Revision
Serial number UKB 173554 so I’m guessing not that early! Edit - looking at the links it would appear all UK models start with 1 so it appears to be number 73554. So much better. :D

And in serious need of a clean...
BBC model B 32k issue 4, 16k sideways RAM, Watford 12 ROM board, Retroclinic Datacentre + HDD, Viglen twin 40/80 5.25" discs, acorn cassette, Acorn 6502 coproc
BBC model B 32k issue 7, turboMMC, Opus Challenger 3 512k, Pi 3 coproc
BBC Master

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flaxcottage
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Re: Today I received.....

Post by flaxcottage » Thu Jan 11, 2018 2:25 pm

A Pi-DAC+ and matching case for it and my Pi.
IMAG1071.jpg
This really is an awesome piece of kit and looks exceptionally well made. The Pi-DAC+ is sitting on a Pi2B computer I had spare. It will also work on a Pi3.

I tried various ways of driving the Pi-DAC+ board;

1. Raspbian Wheezy and Python - much too fiddly to get working
2. OSMC - this works and coupled with an IR remote it works quite well though it is 'clunky' and it needs a screen
3. RuneAudio - absolutely brilliant once it is set up (not one for beginners!) and works 'blind'

What does it do? It is a music server connected to my HiFi system. The DAC+ really does deliver high quality sound, far better than the Pi's native audio output. The Pi plus RuneAudio acts as a server which can be controlled by any computer connected to my home network, including my Android smart phone and tablet.

I have a pretty large music collection - 50 years plus collecting records, CDs and now digital downloads. All the music has been converted to mp3 files and stored on a huge HDD. I set this to be shared on my network and my Pi box can access it and be controlled by my phone.

A highly recommended piece of kit and software. =D>
- John

Why do I keep collecting Acorn gear? I'm going to need a considerably bigger man-cave. :?

steve3000
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Re: Today I received.....

Post by steve3000 » Sat Jan 13, 2018 8:52 pm

A completely dead, but relatively unexpanded (apart from plug-in ICs) Issue 2 BBC model A:
20180110_232211.png
20180110_232122.png
Not sure where to start with this one, but is nice to find one with no soldered-in sockets underneath. Last time I saw an issue 2 model A like this was in the early 90's when I saved (and upgraded) a couple of minimally expanded BBC As from the skip at school, after they binned their Beeb network in favour of Archimedes.

This model A however has a completely dead PSU (full of visibly dry/fractured solder joins)...and as for the computer, even with a known good PSU fitted, there's no sign of life on switch-on, no Beeeeeep, just a faint crackle and hiss from the speaker. Fixing this might need a thread of its own.

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Lardo Boffin
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Re: Today I received.....

Post by Lardo Boffin » Sun Jan 14, 2018 12:29 pm

Thanks to Aldi (£9):-
A450C0C1-BCFB-441B-879C-F02123D22D78.jpeg
Now I can start to sort all the bits I have accumulated. Although I think I need a few of these...
BBC model B 32k issue 4, 16k sideways RAM, Watford 12 ROM board, Retroclinic Datacentre + HDD, Viglen twin 40/80 5.25" discs, acorn cassette, Acorn 6502 coproc
BBC model B 32k issue 7, turboMMC, Opus Challenger 3 512k, Pi 3 coproc
BBC Master

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CMcDougall
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Re: Today I received.....

Post by CMcDougall » Sun Jan 14, 2018 12:58 pm

steve3000 wrote:A Issue 2 BBC model A:.
ahh, £26.01 +5pp, so it was you that beat me by £5 on eBay
https://www.ebay.co.uk/itm/BBC-Model-A- ... 7675.l2557
fast post, finished 5Jan
not got an iss2 in my colection :x
never came with any MIA software, so not that bothered .... :^o
ImageImageImage

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danielj
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Re: Today I received.....

Post by danielj » Sun Jan 14, 2018 3:40 pm

Lardo Boffin wrote:Thanks to Aldi (£9):-

Now I can start to sort all the bits I have accumulated. Although I think I need a few of these...
Excellent spot! I just whizzed out and nabbed a couple :D - added excellence in that you can divide the drawers into 3...

crj
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Re: Today I received.....

Post by crj » Mon Jan 15, 2018 3:37 pm

A sample of the Samtec ZA8:

Image

Fingertip for scale.

This is an awesome little thing: 12.5mm by 9mm by 1mm thick, with 100 sprung contacts on each face, to carry fast signals between parallel boards.

The interesting point from my perspective is that it has really high signal density without requiring any soldering. That means it's possible to make a tiny product that hobbyists can easily integrate into their projects...

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CMcDougall
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Re: Today I received.....

Post by CMcDougall » Tue Jan 16, 2018 12:28 am

a bare Issue3 MB from MarkH / RetroClinic, saved from bin, put some chips /jumpers on, gave it another 16k ram
& : :D =D>
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worker!
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vanekp
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Re: Today I received.....

Post by vanekp » Tue Jan 16, 2018 8:58 pm

Nice that is got salvaged and saved from being destroyed for ever =D> =D> =D>
Peter.

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Lardo Boffin
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Re: Today I received.....

Post by Lardo Boffin » Wed Jan 17, 2018 1:40 pm

Inspired by recent adventure games books and discussions about GAC programming...

Very nice condition GAC:-
4777C25D-CEC1-40DB-9A17-3083CAD047F6.jpeg
Front cover
A2A3E1DA-D1AA-440A-A5C6-1F06D70E30A9.jpeg
Inside
The manual looks hardly used!
BBC model B 32k issue 4, 16k sideways RAM, Watford 12 ROM board, Retroclinic Datacentre + HDD, Viglen twin 40/80 5.25" discs, acorn cassette, Acorn 6502 coproc
BBC model B 32k issue 7, turboMMC, Opus Challenger 3 512k, Pi 3 coproc
BBC Master

Commie_User
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Re: Today I received.....

Post by Commie_User » Wed Jan 17, 2018 6:18 pm

It makes the 80s seem a lot more recent again, packaging in that kind of nick.

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Multiwizard
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Re: Today I received.....

Post by Multiwizard » Thu Jan 18, 2018 7:13 pm

Today I received this:

Atom #16 (or so)
and a MPF-1

Greetings, Wim... :-)
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duikkie
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Re: Today I received.....

Post by duikkie » Fri Jan 19, 2018 5:21 am

wel luisteren naar de waarschuwing op de sticker !

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