The Sinclair QL Forum

I still desperately need an issue 7 QL motherboard. It is vital for testing new QL products.

I received what I was looking for in the mail this morning. Thank you!

I just remove the copper carrier spring from the cartridge, re-felt it then re-insert it. There are three designs of carrier spring. Two are easy and one is medium difficult to remove and reinsert. I kept every carrier from bad microdrives so I have a supply of pre-felted spares if I damage one. If ...

So here's what I'm going to do: I'm going to set this up with 4x 74LVX245s on it. All with have the low side connected to a Pi header, and the high side uncommitted. There will be a small jumper area so you can connect any GPIO to any QL bus pin. I'll offer the bare card, cards with just the SMD mou...

The battery backed clock would be an install option - it doesn't have to be used or powered. It would effectively be Minerva MK1.5 - gaining only the clock. Yes, it would co-exist.

I have a small amount of the material left.

I'm very busy in a project right now, but if you PM me in 4-5 days, I will be able to help you.

I have space in another board I'm sending out for manufacture to slip in this little beastie. Screen Shot 2017-06-08 at 4.05.02 PM.png My internal debate is, do I just want to do a basic carrier for Minerva, or should I go the trivial extra to add a battery backed clock option? Adding that also allo...

They are really solid, yes! I like how they came out. After the amount of thought I put into them and the amount of testing they had, I know they're really clean, too.

I hope you get some good use out of them.

Post photos!

Then make yourself a toasted cheese sandwich, and go sit in the back of your closet with a good book, the sandwich, a torch and some spare batteries. You'll feel like a kid again.

I recommend 'C' by Kernighan and Ritchie. It's a riveting read!

I see from the tracking that some of the first backplanes arrived today. I look forward to people posting some pics of their new builds