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Groups > comp.sys.acorn.misc > #3401 > unrolled thread

widescreen monitor on Risc PC

Started byJohn Rickman Iyonix <rickman@argonet.co.uk>
First post2012-01-22 21:51 +0000
Last post2012-01-23 11:32 +0000
Articles 19 — 9 participants

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  widescreen  monitor on Risc PC John Rickman Iyonix <rickman@argonet.co.uk> - 2012-01-22 21:51 +0000
    Re: widescreen  monitor on Risc PC druck <news@druck.org.uk> - 2012-01-22 22:45 +0000
      Re: widescreen  monitor on Risc PC John Rickman Iyonix <rickman@argonet.co.uk> - 2012-01-23 15:15 +0000
    Re: widescreen  monitor on Risc PC Stuart <Spambin@argonet.co.uk> - 2012-01-22 22:55 +0000
      Re: widescreen  monitor on Risc PC Chris Hughes <news@noonehere.co.uk> - 2012-01-22 23:19 +0000
        Re: widescreen  monitor on Risc PC "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-01-22 23:25 +0000
        Re: widescreen  monitor on Risc PC Steve Fryatt <news@stevefryatt.org.uk> - 2012-01-23 00:04 +0000
          Re: widescreen  monitor on Risc PC Chris Hughes <news@noonehere.co.uk> - 2012-01-23 11:29 +0000
            Re: widescreen  monitor on Risc PC Brian Carroll <bric-nospam@argonet.co.uk> - 2012-01-23 11:40 +0000
              Re: widescreen  monitor on Risc PC cferris@freeRemoveuk.com.invalid - 2012-01-23 12:05 +0000
                Re: widescreen  monitor on Risc PC Brian Carroll <bric-nospam@argonet.co.uk> - 2012-01-23 20:30 +0000
        Re: widescreen  monitor on Risc PC Stuart <Spambin@argonet.co.uk> - 2012-01-23 01:19 +0000
        Re: widescreen  monitor on Risc PC druck <news@druck.org.uk> - 2012-01-24 19:44 +0000
          Re: widescreen  monitor on Risc PC Chris Hughes <news@noonehere.co.uk> - 2012-01-24 22:38 +0000
            Re: widescreen  monitor on Risc PC druck <news@druck.org.uk> - 2012-01-25 07:50 +0000
              Re: widescreen  monitor on Risc PC druck <news@druck.org.uk> - 2012-01-28 00:08 +0000
            Re: widescreen  monitor on Risc PC Steffen Huber <spam@huber-net.de> - 2012-01-25 19:57 +0100
    Re: widescreen  monitor on Risc PC "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-01-23 10:33 +0000
      Re: widescreen  monitor on Risc PC Brian Carroll <bric-nospam@argonet.co.uk> - 2012-01-23 11:32 +0000

#3401 — widescreen monitor on Risc PC

FromJohn Rickman Iyonix <rickman@argonet.co.uk>
Date2012-01-22 21:51 +0000
Subjectwidescreen monitor on Risc PC
Message-ID<5d53bd5552.iyojohn@rickman.argonet.co.uk>
I have a BenQ 24" monitor with native resolution 1920x1080 (bought 
from CJE)
The mode file supplied works fine on my Iyonix, but I would like to 
use the monitor on a Risc PC. Is this feasible? Are there suitable 
MDFs?

I don't want to try it out in case I mess up either the monitor, or my 
wife's computer.

-- 
John Rickman - http://mug.riscos.org/

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#3402

Fromdruck <news@druck.org.uk>
Date2012-01-22 22:45 +0000
Message-ID<jfi3io$jn5$1@dont-email.me>
In reply to#3401
On 22/01/2012 21:51, John Rickman Iyonix wrote:
> I have a BenQ 24" monitor with native resolution 1920x1080 (bought
> from CJE)
> The mode file supplied works fine on my Iyonix, but I would like to
> use the monitor on a Risc PC. Is this feasible? Are there suitable
> MDFs?

That resolution should just be possible with 2MB of VRAM, but I've never 
tried it on an RPC (didn't have those sorts of monitors back then). But 
unless it monitor accepts 24Hz or 30Hz you'll not be able to drive it at 
60Hz without ViewFinder or VPOD. And unless you have a graphics card 
you'll be limited to 256 colours.

> I don't want to try it out in case I mess up either the monitor, or my
> wife's computer.

You can't damage a modern monitor, it just wont display anything if it 
doesn't like the signal. They'll be no harm to the computer either, just
get ready to type blind to restore a picture:-

   F12
   Wimpmode 28

---druck

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#3415

FromJohn Rickman Iyonix <rickman@argonet.co.uk>
Date2012-01-23 15:15 +0000
Message-ID<26e41c5652.iyojohn@rickman.argonet.co.uk>
In reply to#3402
In message <jfi3io$jn5$1@dont-email.me>
          druck <news@druck.org.uk> wrote:

>> I don't want to try it out in case I mess up either the monitor, or my
>> wife's computer.

> You can't damage a modern monitor, it just wont display anything if it
> doesn't like the signal. They'll be no harm to the computer either, just
> get ready to type blind to restore a picture:-

>    F12
>    Wimpmode 28

Emboldened by the above I found a 1680 x 1050 c256, 60Hz mode that 
works well.

Thanks Druck for the reassurance, and thanks Dave and Brian for the 
offer of MDFs.

john

-- 
John Rickman - http://mug.riscos.org/

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#3403

FromStuart <Spambin@argonet.co.uk>
Date2012-01-22 22:55 +0000
Message-ID<5255c32378Spambin@argonet.co.uk>
In reply to#3401
In article <5d53bd5552.iyojohn@rickman.argonet.co.uk>,
   John Rickman Iyonix <rickman@argonet.co.uk> wrote:
> I have a BenQ 24" monitor with native resolution 1920x1080 (bought 
> from CJE)
> The mode file supplied works fine on my Iyonix, but I would like to 
> use the monitor on a Risc PC. Is this feasible? Are there suitable 
> MDFs?

> I don't want to try it out in case I mess up either the monitor, or my 
> wife's computer.

I suspect you might need a Viewfinder or, if you're running RO6, a Vpod.

-- 
Stuart Winsor

Only plain text for emails
http://www.asciiribbon.org


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#3404

FromChris Hughes <news@noonehere.co.uk>
Date2012-01-22 23:19 +0000
Message-ID<8b56c55552.chris@o2.co.uk>
In reply to#3403
In message <5255c32378Spambin@argonet.co.uk>
          Stuart <Spambin@argonet.co.uk> wrote:

> In article <5d53bd5552.iyojohn@rickman.argonet.co.uk>,
>    John Rickman Iyonix <rickman@argonet.co.uk> wrote:
>> I have a BenQ 24" monitor with native resolution 1920x1080 (bought
>> from CJE)
>> The mode file supplied works fine on my Iyonix, but I would like to
>> use the monitor on a Risc PC. Is this feasible? Are there suitable
>> MDFs?

>> I don't want to try it out in case I mess up either the monitor, or my
>> wife's computer.

> I suspect you might need a Viewfinder or, if you're running RO6, a Vpod.

Viewfinder works fine with RO6

-- 
Chris Hughes

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#3405

From"Dave Plowman (News)" <dave@davenoise.co.uk>
Date2012-01-22 23:25 +0000
Message-ID<5255c5ec44dave@davenoise.co.uk>
In reply to#3404
In article <8b56c55552.chris@o2.co.uk>,
   Chris Hughes <news@noonehere.co.uk> wrote:
> > I suspect you might need a Viewfinder or, if you're running RO6, a
> > Vpod.

> Viewfinder works fine with RO6

Nice to know something does. ;-)

-- 
*Change is inevitable, except from a vending machine*

    Dave Plowman        dave@davenoise.co.uk           London SW
                  To e-mail, change noise into sound.

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#3408

FromSteve Fryatt <news@stevefryatt.org.uk>
Date2012-01-23 00:04 +0000
Message-ID<mpro.ly85io01nua0g02gz.news@stevefryatt.org.uk>
In reply to#3404
On 22 Jan, Chris Hughes wrote in message
    <8b56c55552.chris@o2.co.uk>:

> In message <5255c32378Spambin@argonet.co.uk>
>           Stuart <Spambin@argonet.co.uk> wrote:
>
> > I suspect you might need a Viewfinder or, if you're running RO6, a Vpod.
> 
> Viewfinder works fine with RO6

But a VPod doesn't work with anything else!

-- 
Steve Fryatt - Leeds, England             Wakefield Acorn & RISC OS Show
                                             Saturday 28 April 2012
http://www.stevefryatt.org.uk/           http://www.wakefieldshow.org.uk/

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#3411

FromChris Hughes <news@noonehere.co.uk>
Date2012-01-23 11:29 +0000
Message-ID<b034085652.chris@o2.co.uk>
In reply to#3408
In message <mpro.ly85io01nua0g02gz.news@stevefryatt.org.uk>
          Steve Fryatt <news@stevefryatt.org.uk> wrote:

> On 22 Jan, Chris Hughes wrote in message
>     <8b56c55552.chris@o2.co.uk>:

>> In message <5255c32378Spambin@argonet.co.uk>
>>           Stuart <Spambin@argonet.co.uk> wrote:
>>
>>> I suspect you might need a Viewfinder or, if you're running RO6, a Vpod.
>> 
>> Viewfinder works fine with RO6

> But a VPod doesn't work with anything else!

Not strictly true it will work with RISC OS 4.39 - sort of. But much 
better with RO6.16 and above. I have one here



-- 
Chris Hughes

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#3413

FromBrian Carroll <bric-nospam@argonet.co.uk>
Date2012-01-23 11:40 +0000
Message-ID<5256094367bric-nospam@argonet.co.uk>
In reply to#3411
In article <b034085652.chris@o2.co.uk>, Chris Hughes
<news@noonehere.co.uk> wrote:
> In message <mpro.ly85io01nua0g02gz.news@stevefryatt.org.uk>
>           Steve Fryatt <news@stevefryatt.org.uk> wrote:

> > On 22 Jan, Chris Hughes wrote in message
> >     <8b56c55552.chris@o2.co.uk>:

> >> In message <5255c32378Spambin@argonet.co.uk> Stuart
> >>           <Spambin@argonet.co.uk> wrote:
> >>
> >>> I suspect you might need a Viewfinder or, if you're
> >>> running RO6, a Vpod.
> >> 
> >> Viewfinder works fine with RO6

> > But a VPod doesn't work with anything else!

> Not strictly true it will work with RISC OS 4.39 - sort of.
> But much better with RO6.16 and above. I have one here

Really?  I have an unused VPod and would like to try it on RISC
OS 4.39. Can you give few clues please, here or privately.

Brian.

-- 
______________________________________________________________

Brian Carroll, Ripon, N Yorks  brian at carrolls dot me dot uk
______________________________________________________________

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#3414

Fromcferris@freeRemoveuk.com.invalid
Date2012-01-23 12:05 +0000
Message-ID<948a0b5652.cferris@cferris.freeuk.com>
In reply to#3413
In message <5256094367bric-nospam@argonet.co.uk>
          Brian Carroll <bric-nospam@argonet.co.uk> wrote:

> In article <b034085652.chris@o2.co.uk>, Chris Hughes
> <news@noonehere.co.uk> wrote:
> > In message <mpro.ly85io01nua0g02gz.news@stevefryatt.org.uk>
> >           Steve Fryatt <news@stevefryatt.org.uk> wrote:
> 
> > > On 22 Jan, Chris Hughes wrote in message
> > >     <8b56c55552.chris@o2.co.uk>:
> 
> > >> In message <5255c32378Spambin@argonet.co.uk> Stuart
> > >>           <Spambin@argonet.co.uk> wrote:
> > >>
> > >>> I suspect you might need a Viewfinder or, if you're
> > >>> running RO6, a Vpod.
> > >> 
> > >> Viewfinder works fine with RO6
> 
> > > But a VPod doesn't work with anything else!
> 
> > Not strictly true it will work with RISC OS 4.39 - sort of.
> > But much better with RO6.16 and above. I have one here
> 
> Really?  I have an unused VPod and would like to try it on RISC
> OS 4.39. Can you give few clues please, here or privately.
> 

Does VPod come with any technical info about how to drive it?

-- 
Colin Ferris Cornwall UK

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#3416

FromBrian Carroll <bric-nospam@argonet.co.uk>
Date2012-01-23 20:30 +0000
Message-ID<525639bf08bric-nospam@argonet.co.uk>
In reply to#3414
In article <948a0b5652.cferris@cferris.freeuk.com>,
   <cferris@freeRemoveuk.com.invalid> wrote:
> In message <5256094367bric-nospam@argonet.co.uk> Brian Carroll
>           <bric-nospam@argonet.co.uk> wrote:

> > In article <b034085652.chris@o2.co.uk>, Chris Hughes

[ ... ]

> > > Not strictly true it will work with RISC OS 4.39 - sort
> > > of. But much better with RO6.16 and above. I have one here
> > 
> > Really?  I have an unused VPod and would like to try it on
> > RISC OS 4.39. Can you give few clues please, here or
> > privately.

> Does VPod come with any technical info about how to drive it?

The required driver software in on the Vpod board: nothing else
needs to be loaded. The technical info, as usual with STD's
stuff, assumes more knowledge of the user than I think is wise. 
I have 4 x A5 sides with small print:  it would look normal if
printed at A4 size.  I also have some email correspondence with
Matt Edgar; Vpod's originator.

I have had Vpod working OK on a spare RiscPC with RISC OS 6.02,
but I don't like the latter, hence my pouncing on Chris Hughes'
statement above.

Brian.

-- 
______________________________________________________________

Brian Carroll, Ripon, North Yorkshire, UK  
______________________________________________________________

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#3409

FromStuart <Spambin@argonet.co.uk>
Date2012-01-23 01:19 +0000
Message-ID<5255d05ba5Spambin@argonet.co.uk>
In reply to#3404
In article <8b56c55552.chris@o2.co.uk>,
   Chris Hughes <news@noonehere.co.uk> wrote:
> Viewfinder works fine with RO6

I know. I was refering to the fact the Vpod needs RO6

-- 
Stuart Winsor

Only plain text for emails
http://www.asciiribbon.org


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#3421

Fromdruck <news@druck.org.uk>
Date2012-01-24 19:44 +0000
Message-ID<jfn1na$idd$1@dont-email.me>
In reply to#3404
On 22/01/2012 23:19, Chris Hughes wrote:
> Viewfinder works fine with RO6

*Some* variants of ViewFinder "work" with RISC OS 6.

Where "work" means RO6 decides your card is only capable of low 
resolution modes, regardless of what it was perfectly happy generating 
for years under RO 4.x

---druck

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#3422

FromChris Hughes <news@noonehere.co.uk>
Date2012-01-24 22:38 +0000
Message-ID<2d44c95652.chris@o2.co.uk>
In reply to#3421
In message <jfn1na$idd$1@dont-email.me>
          druck <news@druck.org.uk> wrote:

> On 22/01/2012 23:19, Chris Hughes wrote:
>> Viewfinder works fine with RO6

> *Some* variants of ViewFinder "work" with RISC OS 6.

> Where "work" means RO6 decides your card is only capable of low
> resolution modes, regardless of what it was perfectly happy generating
> for years under RO 4.x

Odd that then mine worked fine, with higher resolution modes and does 
now.

But I remember you wanted to drive a monitor at an extremely high 
resolution which of course you could still do if you carried on using 
the MDF, file rather then viewfinder pulling the EDID info from the 
monitor which did not like offering you the ultra high resolution you 
were using. That is an issue with the Monitor not Viewfinder or RO6


-- 
Chris Hughes

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#3423

Fromdruck <news@druck.org.uk>
Date2012-01-25 07:50 +0000
Message-ID<jfoc7s$rpv$1@dont-email.me>
In reply to#3422
On 24/01/2012 22:38, Chris Hughes wrote:
> In message<jfn1na$idd$1@dont-email.me>
>            druck<news@druck.org.uk>  wrote:
>
>> On 22/01/2012 23:19, Chris Hughes wrote:
>>> Viewfinder works fine with RO6
>
>> *Some* variants of ViewFinder "work" with RISC OS 6.
>
>> Where "work" means RO6 decides your card is only capable of low
>> resolution modes, regardless of what it was perfectly happy generating
>> for years under RO 4.x
>
> Odd that then mine worked fine, with higher resolution modes and does
> now.

Such as? I'm talking proper high resolution, not paltry HD from today's 
LCDs.

> But I remember you wanted to drive a monitor at an extremely high
> resolution which of course you could still do if you carried on using
> the MDF, file rather then viewfinder pulling the EDID info from the
> monitor which did not like offering you the ultra high resolution you
> were using. That is an issue with the Monitor not Viewfinder or RO6

Rubbish, the monitor advertises 2048x1536 at up to 80Hz over EDID. It 
was RO6 that insisted the card couldn't do more than 1600x1200 at 32bpp. 
There was no commitment to fix that, so I ditched RO6 and the RPC along 
with it.

---druck

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#3434

Fromdruck <news@druck.org.uk>
Date2012-01-28 00:08 +0000
Message-ID<jfvea6$aue$1@dont-email.me>
In reply to#3423
On 25/01/2012 07:50, druck wrote:
> the monitor advertises 2048x1536 at up to 80Hz over EDID.

85Hz actually. Iiyama Pro 512 and still going strong.

---druck

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#3427

FromSteffen Huber <spam@huber-net.de>
Date2012-01-25 19:57 +0100
Message-ID<9ob1ljFggfU1@mid.individual.net>
In reply to#3422
Chris Hughes wrote:
> In message<jfn1na$idd$1@dont-email.me>
>            druck<news@druck.org.uk>  wrote:
>
>> On 22/01/2012 23:19, Chris Hughes wrote:
>>> Viewfinder works fine with RO6
>
>> *Some* variants of ViewFinder "work" with RISC OS 6.
>
>> Where "work" means RO6 decides your card is only capable of low
>> resolution modes, regardless of what it was perfectly happy generating
>> for years under RO 4.x
>
> Odd that then mine worked fine, with higher resolution modes and does
> now.

It is not odd, it is pure luck.

AFAIK, later Radeon ViewFinders are not supported by RO6, so you lose
all the cool features like dual monitor support, DVI support etc. if
you downgrade your ViewFinder.

Steffen

-- 
Steffen Huber - http://www.huber-net.de/
hubersn Software - http://www.hubersn-software.com/

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#3410

From"Dave Plowman (News)" <dave@davenoise.co.uk>
Date2012-01-23 10:33 +0000
Message-ID<5256031f94dave@davenoise.co.uk>
In reply to#3401
In article <5d53bd5552.iyojohn@rickman.argonet.co.uk>,
   John Rickman Iyonix <rickman@argonet.co.uk> wrote:
> I have a BenQ 24" monitor with native resolution 1920x1080 (bought 
> from CJE)
> The mode file supplied works fine on my Iyonix, but I would like to 
> use the monitor on a Risc PC. Is this feasible? Are there suitable 
> MDFs?

> I don't want to try it out in case I mess up either the monitor, or my 
> wife's computer.

I also have a 24" monitor on this RPC. Its native resolution is the same.
I have a Viewfinder, but prefer to use 1600 x 900. I can feed it to
another monitor via a VGA DA, so have to disable the Viewfinder for that.
I have an MDF for 1600 x 900 at 256 colours which works well if that's any
use.

-- 
*Speak softly and carry a cellular phone *

    Dave Plowman        dave@davenoise.co.uk           London SW
                  To e-mail, change noise into sound.

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#3412

FromBrian Carroll <bric-nospam@argonet.co.uk>
Date2012-01-23 11:32 +0000
Message-ID<52560880ebbric-nospam@argonet.co.uk>
In reply to#3410
In article <5256031f94dave@davenoise.co.uk>, Dave Plowman (News)
<dave@davenoise.co.uk> wrote:
> In article <5d53bd5552.iyojohn@rickman.argonet.co.uk>, John
>    Rickman Iyonix <rickman@argonet.co.uk> wrote:
> > I have a BenQ 24" monitor with native resolution 1920x1080
> > (bought from CJE) The mode file supplied works fine on my
> > Iyonix, but I would like to use the monitor on a Risc PC.
> > Is this feasible? Are there suitable MDFs?

> > I don't want to try it out in case I mess up either the
> > monitor, or my wife's computer.

> I also have a 24" monitor on this RPC. Its native resolution
> is the same. I have a Viewfinder, but prefer to use 1600 x
> 900. I can feed it to another monitor via a VGA DA, so have to
> disable the Viewfinder for that. I have an MDF for 1600 x 900
> at 256 colours which works well if that's any use.

I am using a 23" monitor (LG Flatron M237WDP from R-Comp) on a
RISC PC with 2Mb VRAM but no graphic card or VPod.  I have an
MDF for 1440 x 900 256C 55Hz which gives a very clear and stable
display in correct X/Y proportion; ie a drawn circle is
displayed as a circle.  There is room for 2 A4 pages side by
side in wordprocessors, etc, at 100% magnification.  Let me know
(address below) if you want the MDF.

Brian.

-- 
______________________________________________________________

Brian Carroll, Ripon, N Yorks  brian at carrolls dot me dot uk
______________________________________________________________

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