Search found 92 matches
- Fri May 03, 2024 10:54 am
- Forum: Hardware
- Topic: CST Ram Plus eproms - CST QDisc v4 issue
- Replies: 9
- Views: 529
Re: CST Ram Plus eproms - CST QDisc v4 issue
Hello again! I populated the CST Ram Plus card and i have some questions. I used 2N2222A instead of MPS2369. Both are NPN transistors and from the datasheets they seem to be interchangeable? Second, at the block diagram the lower right resistor is a 47KΩ or a 4.7KΩ resistor? And final, all eproms ar...
- Wed May 01, 2024 12:32 pm
- Forum: Hardware
- Topic: CST Ram Plus eproms - CST QDisc v4 issue
- Replies: 9
- Views: 529
CST Ram Plus eproms - CST QDisc v4 issue
HI to all! Recently i purchased a 512KB CST Rom Plus card. I want to ask which eprom programs i can burn to populate the four empty rom sockets. CST_Ram_Plus.jpg CST_ram_Plus (2).jpg Secondly, i assemble a CST QDISC v4 floppy disc controller, but it is not recognized on boot screen(green letters on ...
- Fri Jul 08, 2022 3:30 pm
- Forum: Hardware
- Topic: Sandy Q board PAL16R4ACN file
- Replies: 1
- Views: 668
Sandy Q board PAL16R4ACN file
Hello everyone! Is by any chance available the PAL16R4ACN file, which is found on a Sandy Q board 512K RAM doughterboard?
- Mon Jun 08, 2020 11:16 am
- Forum: Hardware
- Topic: QL Video issue - Red color missing
- Replies: 16
- Views: 11179
Re: QL Video issue - Red color missing
wouldn't be better to use 5.1V zener diodes?Dave wrote:Yes. Sometimes, shocks can travel from the unprotected RGB socket directly to the 8301 and blow an output.
5.6V zeners to ground from all five lines would be prudent, if you're comfortable to retrofit them.
- Sat Feb 15, 2020 5:57 pm
- Forum: Software & Programming
- Topic: P.I. Cole - noir detective game RELEASED
- Replies: 78
- Views: 29741
Re: P.I. Cole - noir detective game RELEASED
Completed. A great game! Thank you!
- Fri Aug 10, 2018 6:54 pm
- Forum: The Off-Topic Section
- Topic: For all your QL Software Needs
- Replies: 4
- Views: 4099
Re: For all your QL Software Needs
dilwyn wrote:And for your QL's hairdressing needs, visit Llandudno...
(this is on Facebook so not everyone might be able or wish to see the page)
https://www.facebook.com/QDosSalon/
- Sat Oct 07, 2017 10:03 am
- Forum: General QL Chat
- Topic: Bad evenings repairs
- Replies: 10
- Views: 8382
Re: Bad evenings repairs
Maybe there is a problem with the Thor psu and the output voltages it produces.
- Sat Oct 07, 2017 9:59 am
- Forum: Hardware
- Topic: QL Vision monitor has a blank screen.
- Replies: 5
- Views: 3471
Re: QL Vision monitor has a blank screen.
Take a look at the HT part (including the HT transformer) of the pcb. Maybe there is a desoldered part.
- Sun Jun 26, 2016 8:23 am
- Forum: General QL Chat
- Topic: UK Voted to Leave the EU
- Replies: 43
- Views: 25039
Re: UK Voted to Leave the EU
that is also an issue in Greece! People vote and the government do the opposite! Do you remember last year's referendum here in Greece?Outsoft wrote:...or think like in Italy that when we vote and won a referendum...the governamente make the opposite...
- Fri Apr 17, 2015 9:32 pm
- Forum: Hardware
- Topic: QL Monitor Lead
- Replies: 6
- Views: 3857
Re: QL Monitor Lead
or maybe a Commodore 1083s, like the one i use!