Derek_Stewart wrote: ↑Sat Apr 01, 2023 9:05 am Hi,
Maybe an existing disk interfaces could be reverse engineered, what would be the interface required, bearing in mid the Super/Gold Card suffer from custom chips that maybe unavailable.
Search found 144 matches
- Sat Apr 01, 2023 11:17 am
- Forum: Hardware
- Topic: Memory Expansion / Disk I/f currently available ?
- Replies: 15
- Views: 3575
Re: Memory Expansion / Disk I/f currently available ?
- Wed Mar 09, 2022 2:04 pm
- Forum: The Off-Topic Section
- Topic: Happy Birthday!
- Replies: 437
- Views: 218878
Re: Happy Birthday!
Thank you.
- Sat Mar 05, 2022 8:41 am
- Forum: General QL Chat
- Topic: Paging Tetroid....
- Replies: 2
- Views: 1459
Re: Paging Tetroid....
Hi.
Hot news.
I am sorry, PayPal shuts down its services in Russia.
Now I can't sell via SMR and ebay.
Hot news.
I am sorry, PayPal shuts down its services in Russia.
Now I can't sell via SMR and ebay.
- Fri Feb 25, 2022 6:31 pm
- Forum: General QL Chat
- Topic: Paging Tetroid....
- Replies: 2
- Views: 1459
Re: Paging Tetroid....
Yes, I still be able to ship hardware to the West.
Russian post can ship to Europe ( except Ukraine ), USA, Canada.
Russian post can ship to Europe ( except Ukraine ), USA, Canada.
- Tue Mar 09, 2021 2:58 am
- Forum: The Off-Topic Section
- Topic: Happy Birthday!
- Replies: 437
- Views: 218878
Re: Happy Birthday!
Pr0f wrote:С днем рождения (google translated)!
Thank you very much.vanpeebles wrote:Happy Birthday to Tetroid at the Ob QL Design Bureau!
- Sat Sep 19, 2020 11:12 am
- Forum: Hardware
- Topic: HAL equations / JED for use in a GAL chip
- Replies: 7
- Views: 2730
Re: HAL equations / JED for use in a GAL chip
Thank you Vitaliy, Not sure what value I put in there - it was a low value - but I will make sure it is 47Pf. I also need to replace my reset switch as the original QL one I've used is not playing well, they are such a poor design. What switch part did you use in your design for the reset switch? D...
- Fri Sep 18, 2020 6:03 pm
- Forum: Hardware
- Topic: HAL equations / JED for use in a GAL chip
- Replies: 7
- Views: 2730
Re: HAL equations / JED for use in a GAL chip
Thanks Marcus - I am using a 'D' variant at 15ns - I have some 'A' variants at 25ns coming my way in the next few days - I will try again. Symptoms with the D are a bit odd! 1488 chip got a bit warm - but it could be a bad one - running tests without that in place Memory detected by Minerva on powe...
- Thu Sep 03, 2020 4:36 pm
- Forum: Hardware
- Topic: Issue Tx boards discussions
- Replies: 64
- Views: 31052
Re: Issue Tx boards discussions
This is PST529C - simple reset/power-on resetPr0f wrote:What is IC39 the small surface mount component under the 68008?
Or Russian analog - KR1171SP47
- Sun Aug 16, 2020 8:30 pm
- Forum: Hardware
- Topic: Issue Tx boards discussions
- Replies: 64
- Views: 31052
Re: Issue Tx boards discussions
Two rows have parallel connection, because of different connectors have 2.54 or 5.08 mm between rows. Modern connectors - 5.08mm, but old QL connector - 2.54. This was exactly my experience too. I had to put a second row of contacts in for the same reason. How come the DRAM didn't change from 64Kx1...
- Sun Aug 16, 2020 12:56 pm
- Forum: Hardware
- Topic: Issue Tx boards discussions
- Replies: 64
- Views: 31052
Re: Issue Tx boards discussions
Unfortunately, we need only mass production ( big batch ) for QL case to have the resonable price. Case - last big problem.Tesla wrote:Tetroid, It is wonderful.
New motherboard + new keyboard, will we see the new ql soon?