Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Tony Firshman
On Jan 17, at 17:16 | Jan17, Ralf Reköndt wrote: > > From: "Tony Firshman" > >> The *only* good things about it were the the look and feel. >> >> It suffered from keybounce. They produced a replacement chip for the 8049. >> That did cure keybounce but broke the serial ports. Hermes fixed bot

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Ralf Reköndt
Hmm, the same as with the Schön standard keyboard? Christopher Smith also sold an anti-bounce 8049, which had the same problems Cheers...Ralf From: "Tony Firshman" The *only* good things about it were the the look and feel. It suffered from keybounce. They produced a replacement chip for

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Dave Park
On Tue, Jan 17, 2012 at 8:35 AM, Urs Koenig (QL) wrote: > Rich Mellor wrote: >> That is a very interesting  interface on the top (is it a >> QTalk module ?).  Yours also has a fan fitted which is >> missing from mine. > Yes that's the QTALK module. > What may look like a fan is a loudspeaker. > >>

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Urs Koenig (QL)
Rich Mellor wrote: > That is a very interesting interface on the top (is it a > QTalk module ?). Yours also has a fan fitted which is > missing from mine. Yes that's the QTALK module. What may look like a fan is a loudspeaker. > On my QXT - the SuperQBoard is in the top slot of the > expansio

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Tony Firshman
On Jan 17, at 12:21 | Jan17, Bob Spelten wrote: > Op Tue, 17 Jan 2012 12:13:45 +0100 schreef Rich Mellor > : > >> The SPEM keyboard interface is also interesting - would be nice to get some >> photos of this for the QL WIki - does it plug into the ROM port? >> > In one of the pictures you can

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Tony Firshman
On Jan 17, at 12:17 | Jan17, Antonio Giusa wrote: > > On 17/gen/2012, at 12:13, Rich Mellor wrote: >> >> >> The SPEM keyboard interface is also interesting - would be nice to get some >> photos of this for the QL WIki - does it plug into the ROM port? >> > > The SPEM keyboard has no interfa

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Bob Spelten
Op Tue, 17 Jan 2012 12:13:45 +0100 schreef Rich Mellor : The SPEM keyboard interface is also interesting - would be nice to get some photos of this for the QL WIki - does it plug into the ROM port? In one of the pictures you can see the end of the flat cable, it has a thin pcb that plugs

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Antonio Giusa
On 17/gen/2012, at 12:13, Rich Mellor wrote: > > > The SPEM keyboard interface is also interesting - would be nice to get some > photos of this for the QL WIki - does it plug into the ROM port? > The SPEM keyboard has no interface. It plugs directly in the existing keyboard connector of the

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Rich Mellor
On 17/01/2012 10:15, Urs Koenig (QL) wrote: Rich Mellor wrote: I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have included a note of my trials and tribulations in getting the computer back up and running. Don't laugh too much

Re: [Ql-Users] QXT-640 Revived

2012-01-17 Thread Urs Koenig (QL)
Rich Mellor wrote: > I have managed to revive a Sandy QXT-640 computer - and have > listed it on sellmyretro.com > > Just for the fun of it, I have included a note of my trials > and tribulations in getting the computer back up and running. > Don't laugh too much !! I was able to purchase a SAND

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread David Tubbs
At 17:19 12/01/2012 +, you wrote: Mplane design was strongly influenced by Nasta. There were plenty of pull- up resistors and smoothing caps. The extensive ground plane was vital. I have no solid evidence, but I always assumed SGC etc had to be closest to the motherboard. I made a coupl

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Tony Firshman
On 12 Jan 2012, at 15:18, Dave Park wrote: > On Thu, Jan 12, 2012 at 8:36 AM, Dilwyn Jones > wrote: >> From: "Rich Mellor" >> Sent: Thursday, January 12, 2012 12:27 AM >> To: >> Subject: [Ql-Users] QXT-640 Revived >> >>> I have manag

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Billy
On 12/01/2012 00:27, Rich Mellor wrote: I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have included a note of my trials and tribulations in getting the computer back up and running. Don't laugh too much !! http://www.sellm

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Ralf Reköndt
From: "Dave Park" The only aspect of the QXT-640 I dealt with was that all the cards had the 7805 regulators removed and links inserted as the boards were given a clean 5v supply. It was a trap and bane of my existence that I had to carefully check any card I worked on to see if it had been adap

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Dave Park
On Thu, Jan 12, 2012 at 8:36 AM, Dilwyn Jones wrote: > From: "Rich Mellor" > Sent: Thursday, January 12, 2012 12:27 AM > To: > Subject: [Ql-Users] QXT-640 Revived > >> I have managed to revive a Sandy QXT-640 computer - and have listed it on >> sellmyretr

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Dilwyn Jones
From: "Rich Mellor" Sent: Thursday, January 12, 2012 12:27 AM To: Subject: [Ql-Users] QXT-640 Revived I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have included a note of my trials and tribulations in g

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Geoff Wicks
-- From: "Rich Mellor" Sent: Thursday, January 12, 2012 12:27 AM To: Subject: [Ql-Users] QXT-640 Revived I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have inclu

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Geoff Wicks
-- From: "Rich Mellor" Sent: Thursday, January 12, 2012 12:27 AM To: Subject: [Ql-Users] QXT-640 Revived I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have inclu

Re: [Ql-Users] QXT-640 Revived

2012-01-12 Thread Rich Mellor
Hmm - no idea what keyboard I/F was originally used - presumably it may well have been the Jurgen Falkenberg interface - I can't think of any alternatives at the time ! On 12/01/2012 04:22, Ralf Reköndt wrote: Ah, I see, it is the original mouse delivered with the Sandy SuperQMouse board. I ha

Re: [Ql-Users] QXT-640 Revived

2012-01-11 Thread Ralf Reköndt
Ah, I see, it is the original mouse delivered with the Sandy SuperQMouse board. I have exchanged it very soon with an Amiga one. What kind of keyboard I/F was originally placed in the QXT? Or was it just a special keyboard (this is an Epson one, I see)? Cheers...Ralf - Original Message -

[Ql-Users] QXT-640 Revived

2012-01-11 Thread Rich Mellor
I have managed to revive a Sandy QXT-640 computer - and have listed it on sellmyretro.com Just for the fun of it, I have included a note of my trials and tribulations in getting the computer back up and running. Don't laugh too much !! http://www.sellmyretro.com/offer/details/RARE_Sandy_QXT-6