The Sinclair QL Forum

Yes - sorry - that is the location. I think there were some utilities or a utility disk - also on Dilwyn's site - I think there was a tool in there to help manage these boot parameters in the i2c RAM on the RTC chip - The idea would be to set the max amount of RAM in the system to 4MB - then Minerva...

http://www.dilwyn.me.uk/docs/manuals/mi ... ual_11.pdf

Is a good place to start

but it does show a good and thorough testing mentality - so that's a plus.

Happy Birthday indeed - following your recent posts attentively

those rechargeable batteries have a shelf life of about 10 years - so if that was the original one - it's easily 20+ years old

the CR2032 is a non rechargeable lithium cell - and the Minerva board probably has a charge circuit on board for that battery - in fact I think it may even be built into the RTC chip on the board - so you should replace it with a rechargeable. However, you can wire a diode in series with the batter...

something like this should work ok

https://www.ebay.co.uk/itm/291759355005 ... xyni9TA4Ux

the CR2032 is a non rechargeable lithium cell - and the Minerva board probably has a charge circuit on board for that battery - in fact I think it may even be built into the RTC chip on the board - so you should replace it with a rechargeable. However, you can wire a diode in series with the battery...

hopefully that will get you going - but you really do want to get that battery swapped out It's probably just a 3.6V NiCd with tags - and then shrink wrapped to stop it shorting to anything.

This is from the Minerva manual - page 53: Fitting and Getting Started Fitting is very similar to the original Minerva - see the instructions for this. The rechargeable battery can be placed anywhere convenient in the QL; we have allowed enough wire to put it in the spare corner of the case between ...