Memory Expansion / Disk I/f currently available ?

RichardCGH · Post by **RichardCGH** » Fri Mar 31, 2023 9:37 pm

Hi
A quick Q.

Are there any new QL memory expansion and /or disc interface cards for the BBQL currently available to purchase ?

Or is now just second user stuff that people can buy ?

Chr$ · Post by **Chr$** » Fri Mar 31, 2023 9:59 pm

As far as I know the only combined disk/RAM was the Trump card clone from Siberia, but he can no longer send those, for obvious reasons, so 2nd hand is the only way.

Peter · Post by **Peter** » Fri Mar 31, 2023 11:05 pm

As far as I know, not even single memory expansions or disk interfaces are available new anymore.
Not very long ago there still was an internal memory expansion, but it seems sold out.

Chr$ · Post by **Chr$** » Fri Mar 31, 2023 11:12 pm

I occasionally make up and sell 512k internal RAM upgrades (that fit on top of the CPU and can be disabled by a tiny switch at the side).

https://qxl.win/quintupler.htm

I have a couple available at the moment, but don't have them on eBay right now.

Derek_Stewart · Post by **Derek_Stewart** » Sat Apr 01, 2023 9:05 am

Hi,

Maybe an existing disk interfaces could be reverse engineered, what would be the interface required, bearing in mid the Super/Gold Card suffer from custom chips that maybe unavailable.

dilwyn · Post by **dilwyn** » Sat Apr 01, 2023 10:16 am

There are circuit diagrams of a few of the older interfaces on my site (SuperQBoard and Medic IIRC). Maye something could be developed from these, although it might be better to develop something new with available chipsets if that were possible. Seems to be a continuing demand for these interfaces. Tetroid was well placed to take advantage of the demand before the sad situation in eastern Europe.

tetroid · Post by **tetroid** » Sat Apr 01, 2023 11:17 am

Derek_Stewart wrote: ↑Sat Apr 01, 2023 9:05 am Hi,

Maybe an existing disk interfaces could be reverse engineered, what would be the interface required, bearing in mid the Super/Gold Card suffer from custom chips that maybe unavailable.

dilwyn · Post by **dilwyn** » Sat Apr 01, 2023 12:19 pm

Greetings Tetroid. Nice to see that you are still here with us

Dilwyn

tetroid · Post by **tetroid** » Sat Apr 01, 2023 1:41 pm

Chr$ wrote: ↑Fri Mar 31, 2023 9:59 pm As far as I know the only combined disk/RAM was the Trump card clone from Siberia, but he can no longer send those, for obvious reasons, so 2nd hand is the only way.

Shipping - no problem ( except Poland and Finland in Europe, South America, Australia, New Zealand ).
Payment - problem, only via non russian PayPal accounts ( my friends ) or exchange for other parts.

napsternds · Post by **napsternds** » Sat Apr 01, 2023 9:28 pm

I have had this year an EXCELLENT experience ordering from tetroid. I got my TDI2 interface (ram, floppy, and ql-sd) and Super Gold Card delivered to Spain in a few days after payment.

I strongly recommend buying from him.

The Sinclair QL Forum

Memory Expansion / Disk I/f currently available ?

Memory Expansion / Disk I/f currently available ?

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