Lardo buys another zeddy

XavSnap · Post by **XavSnap** » Thu Sep 19, 2019 10:22 am

Hi Lardo,

: D726EF46-3B4E-4B0B-AD5A-7F76DA688614[1].jpg (36.64 KiB) Viewed 17906 times

"JRS" ?
What's daaaat?

Lardo Boffin · Post by **Lardo Boffin** » Thu Sep 19, 2019 11:20 am

XavSnap wrote: ↑Thu Sep 19, 2019 10:22 am Hi Lardo,

D726EF46-3B4E-4B0B-AD5A-7F76DA688614[1].jpg

"JRS" ?
What's daaaat?

I had never heard of them before either. It is a 16K RAM pack (http://www.zx81stuff.org.uk/zx81/hardware/JRS16K and http://www.zx81stuff.org.uk/zx81/hardwa ... 800054.jpg) . It also came with the instructions and the pack in game Alien Attack. I need to get round to testing the game but I think the RAM is ok.

1024MAK · Post by **1024MAK** » Thu Sep 19, 2019 3:40 pm

For U.K. subjects only: oh, look at how many U.S. dollars there were to Sterling back then...

Back to the subject, have you peeked (

) inside

If yes, does it use 4116 (or equivalent) DRAM chips? And can you post photos

Note I suspect there are four screws and two are hidden under the label. If it’s working, and/or you don’t want to disturb the label, don’t worry about my curiosity, I’m fine if you want to leave it undisturbed.

Mark

Lardo Boffin · Post by **Lardo Boffin** » Thu Sep 19, 2019 4:13 pm

1024MAK wrote: ↑Thu Sep 19, 2019 3:40 pm For U.K. subjects only: oh, look at how many U.S. dollars there were to Sterling back then...

Back to the subject, have you peeked ( ) inside If yes, does it use 4116 (or equivalent) DRAM chips? And can you post photos
Note I suspect there are four screws and two are hidden under the label. If it’s working, and/or you don’t want to disturb the label, don’t worry about my curiosity, I’m fine if you want to leave it undisturbed.

Mark

Back in the days of nearly 2:1. A long time ago.

It is indeed working (has happily run The Gauntlet for a couple of hours now) and I suspect you are right about two screws under the label. Removing the lower two did not allow me to open it.
Even the tape loaded and ran Alien Attack!

Lardo Boffin · Post by **Lardo Boffin** » Wed Oct 02, 2019 10:18 pm

Just realised I never added a photo of the inside of the second zeddy.

Lardo Boffin · Post by **Lardo Boffin** » Tue Oct 08, 2019 4:37 pm

Just in case things get difficult after October.

Moggy · Post by **Moggy** » Tue Oct 08, 2019 5:22 pm

Alternative thread title...

Lardo opens a new assembly line.

(Sorry just had to)

Good to know that freshly refurbished zeddies will find their way, possibly to a new generation of 8-bit users.

1024MAK · Post by **1024MAK** » Tue Oct 08, 2019 6:21 pm

Lardo Boffin wrote: ↑Tue Oct 08, 2019 4:37 pm Just in case things get difficult after October.

No wonder Karl has little free time now...

Mark

Lardo Boffin · Post by **Lardo Boffin** » Tue Oct 08, 2019 8:08 pm

Moggy wrote: ↑Tue Oct 08, 2019 5:22 pm Alternative thread title...

Lardo opens a new assembly line.

(Sorry just had to)

Good to know that freshly refurbished zeddies will find their way, possibly to a new generation of 8-bit users.

I already have homes for three of these so maybe should have bought more....

Lardo Boffin · Post by **Lardo Boffin** » Wed Oct 09, 2019 3:59 pm

A beautiful condition, boxed and working zeddie. Although I have not tested the PSU yet.

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