Earliest examples of each machine?

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steve3000
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Re: Earliest examples of each machine?

Post by steve3000 »

CMcDougall wrote:
lee wrote: we have all seen an issue 1 now that one has just sold on eBay
for £331 just for the original board, not the rest
...pics or it did not exist :
There's also a photo of an issue 1 pcb with the same style printed serial number in the PCW magazine review from Jan 82. It was #10, and (probably coincidence) also missing the video-out BNC connector, as was the one on eBay.
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ask_nz
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Re: Earliest examples of each machine?

Post by ask_nz »

That issue one is very interesting - love the hand written serial number.

Just noticed that the keyboard circuit on that Issue 1 photo from the magazine is totally different to issue 2 keyboards. Apart from the speaker - the circuit seems to be on the upper side as you can see green and very distinct upper side copper tracings. Makes me think that they decided to transfer the circuit to lower side on later designs.

Totally different from issue 2/3 single sided keyboard circuit (which I believe are similar to issue 4/7 except the speaker's glued on and has no speaker mounting holes).

Anyone have any ideas about the issue 1 keyboard?

Ade.
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z0m8ied0g
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Re: Earliest examples of each machine?

Post by z0m8ied0g »

Got this machine this week...

Issue 2
Serial: 000338

I have another 3 very similar but they missing serials on the outside. Will open them up and have a look to see if they have internal numbers.
20180716_213720.jpg
20180716_213703.jpg
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tom_seddon
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Re: Earliest examples of each machine?

Post by tom_seddon »

Issue 3 Beeb with serial number ICL 003253 for sale on eBay: https://www.ebay.co.uk/itm/Acorn-BBC-B- ... 4159619153

--Tom
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Re: Earliest examples of each machine?

Post by iamaran »

My ICL issue 3 A->B 003353.
stuslayer
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Re: Earliest examples of each machine?

Post by stuslayer »

Currently on eBay with serial number ALA-01 - 000333, Electron: https://www.ebay.co.uk/itm/ACORN-ELECTR ... 4902.l9144
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daveejhitchins
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Re: Earliest examples of each machine?

Post by daveejhitchins »

07-ALA-01 - 000333 - Not sure how significant the 07 is?

Have a close look at the expansion connector :shock: it looks quit pitted, which may indicate poor storage!

Dave H :D
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1024MAK
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Re: Earliest examples of each machine?

Post by 1024MAK »

Looks like it has been stored somewhere damp, looking at the cassette, RGB, composite video and Modulator connectors on the side.
07-ALA01-000333 Electron
07-ALA01-000333 Electron
07-ALA01-000333 Electron
07-ALA01-000333 Electron
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martinw
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Re: Earliest examples of each machine?

Post by martinw »

I’m top of a list, well top of part of a list, I’ve never been top of a part of a list before 😎

Here’s my B+ in all of her pimped out finery 😁
A193D51D-DC02-421D-8811-CE953FF5D30A.jpeg
0C6AEF33-46D8-4CC2-BFCF-11EA0A1C46F3.jpeg
28858ED8-B487-411E-9F23-13B7C5580801.jpeg
4783C1A6-9318-47D7-ADD7-48AE98425878.jpeg
Martin
Last edited by martinw on Sat Mar 16, 2019 11:05 am, edited 3 times in total.
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ask_nz
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Re: Earliest examples of each machine?

Post by ask_nz »

1024MAK wrote:
Sat Mar 16, 2019 8:09 am
Looks like it has been stored somewhere damp, looking at the cassette, RGB, composite video and Modulator connectors on the side.

555BBE4C-D164-4781-99AD-285FE43B8CFA.jpeg

9EC349B0-312F-44EE-A41A-4039EB516160.jpeg

Mark
Yep - that's a winner =D> =D> =D>
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ask_nz
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Re: Earliest examples of each machine?

Post by ask_nz »

martinw wrote:
Sat Mar 16, 2019 10:31 am
I’m top of a list, well top of part of a list, I’ve never been top of a part of a list before 😎

Here’s my B+ in all of her pimped out finery 😁

Martin
Nice :)
Ade
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ask_nz
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Re: Earliest examples of each machine?

Post by ask_nz »

z0m8ied0g wrote:
Mon Jul 16, 2018 10:16 pm
Got this machine this week...

Issue 2
Serial: 000338

I have another 3 very similar but they missing serials on the outside. Will open them up and have a look to see if they have internal numbers.

20180716_213720.jpg20180716_213703.jpg
Do you know if its a model A or B?
Ade
kanetracey
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Re: Earliest examples of each machine?

Post by kanetracey »

Someone interested to see if an Issue 1 actually existed..

Well I was fortunate enough to buy one with serial 100155 model (A) with zero upgrades and fully working condition. Amazing

Heres the proof!!
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Issue1-2.jpeg
Issue1-1.jpeg
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leenew
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Re: Earliest examples of each machine?

Post by leenew »

Wow! She is a rare beastie!!
I believe it should have a massive heatsink on the Video ULA, so be careful of overheating....

Lee.
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marcusjambler
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Re: Earliest examples of each machine?

Post by marcusjambler »

My Issue 2 Model A :D

Cleartone 102432
IMG_4395a.jpg
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Re: Earliest examples of each machine?

Post by stuslayer »

I just picked up an Adelaide A3010, Serial 01-AGB15-1011001

I have a thread on the 32 bit hardware forum, needs some work.
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flibble
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Re: Earliest examples of each machine?

Post by flibble »

I think the Centre for Computing History have you beat for an A4000

Image

http://www.computinghistory.org.uk/det/ ... orn-A4000/
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Re: Earliest examples of each machine?

Post by stuslayer »

That's pretty cool
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Re: Earliest examples of each machine?

Post by Steve1234 »

My German Electron is 07-GLA01-1010629

The pcb is issue 1
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Re: Earliest examples of each machine?

Post by Madmatt »

Hi Ade,

My recently booted up for the first time in 29 years is an ICL model 3 s/no 001862
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1862.jpg
Andy1979
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Re: Earliest examples of each machine?

Post by Andy1979 »

A3010 2mb Learning Curve (since upgraded to 4mb):
A3010Serial.jpg
01-ALC15-0000024

As you'd expect it's an adelaide board.
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a1exh
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Re: Earliest examples of each machine?

Post by a1exh »

Acorn A5000a : 2MB, 80MB hard drive, 33MHz ARM3 (Alpha version) : 25-ALB32-1012887

http://thalion.exotica.org.uk/acorn_a5000/IMG_0859.jpg
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SarahWalker
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Re: Earliest examples of each machine?

Post by SarahWalker »

That's a reasonably high serial number for an A5000a. There aren't that many of them.
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a1exh
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Re: Earliest examples of each machine?

Post by a1exh »

SarahWalker wrote:
Tue May 04, 2021 12:21 pm
That's a reasonably high serial number for an A5000a. There aren't that many of them.
The other A5000a serials in this thread (and others) are quite close together compared with mine

27-ALB32-1010157
25-ALB55-1010639
25-ALB32-1010715
25-ALB35-1010895

I saw that you once wrote there wasn't enough serials to predict the number of A5000a's sold using the "German Tank Problem" formula.
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SarahWalker
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Re: Earliest examples of each machine?

Post by SarahWalker »

Yes, but based on what serials we _do_ have (8 serials spread across 3 models), yours is comfortably the highest I've seen for an A5000a. So it's far from an 'earliest example'.
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Re: Earliest examples of each machine?

Post by iainfm »

Think I may be in the running for earliest A5000 - 25-ALB12-1001695.
A5000 serial.jpg
History of it was it was a demo machine for Academy Computer Systems in Inverness, where I had a bit of an after-school / Saturday job. I acquired it from them not long before they went bust.

Also, my two BBC Bs for the record:

Issue 4: 01-ANB01-3008824
Issue 7: 07-ANB01-3784392
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