[Ql-Users] QL backplanes....

2014-05-03 Thread Dave Park
I tried to start a discussion earlier on ​QL forum about​ QL backplanes, and asked people to send photos of their systems and tell me how they used them, and what factors made their decisions... I got a very poor response of zero to th ​at request. :) I have decided I phrased the question too

Re: [Ql-Users] QL backplanes....

2014-05-03 Thread Rich Mellor (RWAP)
I no longer use a QL with a back-plane - when I did have that set up it was to use an Aurora, Super Gold Card and QubIDE in a PC Tower Case. I also liked to have a spare slot for access to a QEP III for example (although I never had one at the time)... The main issue now is that ATX cases (for

Re: [Ql-Users] QL backplanes....

2014-05-03 Thread Dave Park
I have put some thought into how cards would be supported. Given my access to 3D printers, I can do quite fancy things with ease now. :) I am inclined to use a microATX or picoATX case - they're small, easy to access and quite cheap. Dave On Sat, May 3, 2014 at 2:42 PM, Rich Mellor (RWAP)

Re: [Ql-Users] QL backplanes....

2014-05-03 Thread Ralf Reköndt
I once had a kind of Mini-PC case, where I fitted a powersupply, an issue 5 board and a kind of backplane (with 6 plugs), unpowered with a separate left whole in the case to plug a QEP III into it (connected with a separate cable). The backplane was fitted with an SQB 513k plus an QFlash 64k

Re: [Ql-Users] QL backplanes....

2014-05-03 Thread Dave Park
It's not an issue for capacitors. Even when you bypass the voltage regulators on the QL and expansion cards, the smoothing capacitors on either side of the regulators are still in play. Dave On Sat, May 3, 2014 at 3:12 PM, Ralf Reköndt ralf.rekoe...@t-online.dewrote: I once had a kind of