Search found 189 matches

by belg4rion67
Mon Apr 25, 2011 1:41 pm
Forum: Hardware
Topic: GBS-8220 RGB TO VGA Converter
Replies: 91
Views: 61744

Re: GBS-8220 RGB TO VGA Converter

Hi "Commissario", I've ordered Jammaboard too and I'm 'waiting for it...
Is possible that the small trimmers near connector need some adjustment for QL signal to work properly? Have you some suggest for their position?
Many thanks in advance.
Paolo
by belg4rion67
Fri Apr 15, 2011 8:40 pm
Forum: Hardware
Topic: Monitor Connection?
Replies: 8
Views: 5754

Re: Monitor Connection?

Hi, for my QL I have made a scart cable like this: http://www.fruitcake.plus.com/Sinclair/Spectrum128/SCARTCable/Spectrum128SCARTCableQL.htm All resistor enter in scart shell wothout problem because are all 1/4 watt power and on my previous TV set (an old analog Philips system) images was fine, with...
by belg4rion67
Fri Apr 08, 2011 10:29 pm
Forum: Hardware
Topic: Monitor Connection?
Replies: 8
Views: 5754

Re: Monitor Connection?

Hi dear, I'm Paolo from Italy and in my country there's a web seller that has a cheap videoconverter: view at this link: http://shop.gruppoarea.info/elettronica/product_info.php?products_id=19319 is only for composite but works fine on my Speccy; for my QL I'm using a Samsung LCD monitor/tv connecte...
by belg4rion67
Fri Apr 01, 2011 10:02 pm
Forum: Hardware
Topic: Disk Interface Diagram
Replies: 6
Views: 3968

Re: Disk Interface Diagram

Many thanks to all Mr Navigator for useful infos: in effect I've tried also to find the WD ic's and the only seller is an american site but price is higher for a so older chip!! :(
I think that I'll try to find someone that sell me a disk interface....
Best regards guys
Ciao!
by belg4rion67
Thu Feb 24, 2011 12:16 pm
Forum: Hardware
Topic: Disk Interface Diagram
Replies: 6
Views: 3968

Disk Interface Diagram

Hi to all, if are not copyright protected, is possible to have form somebody the wiring diagrams of most known floppy disk interfaces for rebuilt/repair ?
I'm an electronic engineer with passion of built/rebuilt old circuit boards, all helps from you are well accepted :lol:
Ciao!!1
by belg4rion67
Tue Feb 22, 2011 7:40 pm
Forum: Hardware
Topic: Hardware incompatibilities
Replies: 10
Views: 5751

Re: Hardware incompatibilities

Hi Rich, sorry for delay: is a simple ram expansion unfortunatly without pass connector, in fact I'm looking for disk if with on-board ram ;)
On my expansion there are all LS chips then I suppose that they are fast enough to follow the QL clock :idea:
by belg4rion67
Mon Feb 21, 2011 9:37 pm
Forum: Hardware
Topic: Hardware incompatibilities
Replies: 10
Views: 5751

Re: Hardware incompatibilities

Hi, is a strange thing because I've installed on my original QL with Minerva Rom ver 1.98 a 512 K expansion ram buyed to Rich' site and works perfectly...
Is my opinion that some chips on expansion board have timing problems
by belg4rion67
Mon Feb 21, 2011 10:43 am
Forum: The Welcome Area
Topic: Hello from Italy
Replies: 8
Views: 4786

Hello from Italy

Hi to all, I'm very happy to have found this forum!! Its great and beautiful to find so many people who still use Sinclair computer like me :D

This forum will become for me (and I hope for other italian people :lol: ) a beautiful meeting place.
Cheers and "ciao a tutti"
by belg4rion67
Mon Feb 21, 2011 10:34 am
Forum: Wanted
Topic: Wanted: Floppy interface for QL
Replies: 3
Views: 2831

Wanted: Floppy interface for QL

Hi, I'm an happy QL's italian owner but unfortunately I not have the best thing for it: a floppy interface!!
I'm looking for any type of interface for my QL
I hope that there's someone that can help me!
Many thanks to all