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Richard

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Since: Nov 17, 2005
Posts: 39



(Msg. 1) Posted: Sun Jan 28, 2007 11:42 pm
Post subject: Tyan S2895 unhappiness
Archived from groups: alt>comp>periphs>mainboard>tyan (more info?)
It's been just over a year now that I had this very expensive computer
built for me and frankly it has been very disappointing.

The board is fitted with a pair of dual core Opterons, 6G of ram, four
of the fastest Seagate SCSI drives, and a pair of Raptors in a raid 0
configuration to provide a scratch disk for Photoshop CS.

This computer was built to just run Photoshop as fast as possible, but
it has not lived up to expectations. It is a dual boot with XPPro32 and
64. I generally run it in 64 bit mode. I find that when doing tasks,
it often simply seems to stop running Photoshop and two entries then
appear in the task manager window showing both 'not responding' If one
waits some minutes the situation will generally correct itself. Very
frustrating when one has a deadline to meet.

I am also experiencing instances of warning of a failed write, and this
sometimes happens when saying a file. There is then nothing to be done
but to close down and loose ones work. Sometimes the only way out is
to simply turn off the power. I often find that when closing down
after a session that it will not close down after getting to the closing
down screen.

The computer has been back to the builders but they cannot find anything
wrong with it.

Any help would be very much appreciated.

Many thanks
--
Richard

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Richard

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Since: Nov 17, 2005
Posts: 39



(Msg. 2) Posted: Sun Jan 28, 2007 11:57 pm
Post subject: Re: Tyan S2895 unhappiness [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
In his posting of Sun, 28 Jan 2007, Richard writes
>It's been just over a year now that I had this very expensive computer
>built for me and frankly it has been very disappointing.

Just as a follow-up. I'm using the on board SCSI. Photoshop is being
used with no added plug in filters and no additional fonts, so it should
have every chance to perform well. No other applications are running
when PS is working.

Thanks if you can help me.

Cheers
--
Richard

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Martin Shoemaker

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Since: Nov 15, 2005
Posts: 13



(Msg. 3) Posted: Mon Jan 29, 2007 9:42 am
Post subject: Re: Tyan S2895 unhappiness [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
I'm wondering why you think this is a hardware problem. I see similar
problems with other programs on my dual Opteron (XP64, S2892, not dual
core, and not nearly as loaded as yours). I also saw similar things on
my last computer, which was an Asus with an Athlon 64 and Win2K. Based
on what I see I would expect this to be either a problem in Photoshop
itself or a driver issue. One possibility is that the hardware is
outrunning the software. We had that problem back in the K6 era (or
maybe it was K5). Windows had software timing loops that were OK for 66
MHz, but didn't work at 100MHz. AMD caught a lot of flack and had their
reputation damaged, but it was Windows that needed to be, and was,
fixed. I'd like to think that programmers learned a lesson and now use
'test for finished' methods rather than software timing loops, but I
doubt that that is the case.

Martin

Richard wrote:
> It's been just over a year now that I had this very expensive computer
> built for me and frankly it has been very disappointing.
>
> The board is fitted with a pair of dual core Opterons, 6G of ram, four
> of the fastest Seagate SCSI drives, and a pair of Raptors in a raid 0
> configuration to provide a scratch disk for Photoshop CS.
>
> This computer was built to just run Photoshop as fast as possible, but
> it has not lived up to expectations. It is a dual boot with XPPro32
> and 64. I generally run it in 64 bit mode. I find that when doing
> tasks, it often simply seems to stop running Photoshop and two entries
> then appear in the task manager window showing both 'not responding'
> If one waits some minutes the situation will generally correct
> itself. Very frustrating when one has a deadline to meet.
>
> I am also experiencing instances of warning of a failed write, and
> this sometimes happens when saying a file. There is then nothing to
> be done but to close down and loose ones work. Sometimes the only
> way out is to simply turn off the power. I often find that when
> closing down after a session that it will not close down after getting
> to the closing down screen.
>
> The computer has been back to the builders but they cannot find
> anything wrong with it.
>
> Any help would be very much appreciated.
>
> Many thanks
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BC

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Since: Oct 15, 2005
Posts: 45



(Msg. 4) Posted: Mon Jan 29, 2007 4:32 pm
Post subject: Re: Tyan S2895 unhappiness [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Paul wrote:
> I understand Photoshop has a tuning parameter, which is how much RAM
> to grab. It could be that some of the problems are related to memory
> management, but I don't know enough about Photoshop and your other tools,
> to even guess at what to do. And as is usual with Photoshop questions,
> a search engine seems to be useless for finding solid tech info
> on Photoshop. If I wanted to know how to use a filter, or to use
> layers, I could probably find an answer. But computing related issues
> seem to be almost invisible when I search for them.

> I don't see a SCSI card mentioned in the K8WE manual, so I assume
> it is something you've added. When you get delayed write
> failures, are they occurring on the SCSI side or on SATA ?
> What SCSI card have you got ? And what is the model number
> of the Opterons you are using ? A Google search using the
> name of the SCSI controller, might turn up something.

Dear Richard and Paul,

models S2895UA2NRF and S2895UA2NRF-RS have built in SCSI:

Integrated SCSI Controller (option)
• LSI 53C1030 U320 SCSI controller
- Two U320 68-pin SCSI connectors
- Connected to PCI-X Bridge B

http://www.tyan.com/products/html/thunderk8we.html

From Adobe's web site:

***
High-capacity RAM compatibility

Make the most of systems running 64-bit processors. Photoshop CS2 can
address approximately 3.5 GB of RAM on a Power Macintosh G5 running Mac
OS X, a Windows XP 64-bit Edition system running an Intel® Xeon™
processor with EM64T, or an AMD Athlon™ 64 or Opteron™ processor.
***

I do not see any mention of a 64 bit compatible version of PSCS2 on
their web site: just Win2K and XP SP1 and 2....

Looks like there will *not* be a 64 bit version for a while:

http://blogs.adobe.com/scottbyer/2006/12/64_bitswhen.html

Lots of discussion there....

http://news.com.com/2061-10791_3-6146229.html

Hmm, I do NOT run CS2 (um, Elements? Sorry....) but could it be that
the problem is in Adobe's program not taking advantage of the resources
available to it, and not the Tyan? That's the impression I get from
reading some of these articles....

So, as Paul mentioned, maybe checking in to a Photoshop forum and
comparing notes there would be of benefit.

HTH and good luck,

BC
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BC

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Since: Oct 15, 2005
Posts: 45



(Msg. 5) Posted: Mon Jan 29, 2007 5:50 pm
Post subject: Re: Tyan S2895 unhappiness [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Richard wrote:
> It's been just over a year now that I had this very expensive computer
> built for me and frankly it has been very disappointing.

Dear Richard,

looks like tweaking CS2 is quite an art.

From Adobe's web site:

*Troubleshoot system errors or freezes in Photoshop (CS2) on Windows XP*

http://store1.adobe.com/cfusion/knowledgebase/index.cfm?id=327946

Perhaps a triple boot system?

Possibly a clean install of XP32, with minimal drivers and add ons, like
the above article mentions would allow CS2 to work a bit better.

Paul mentioned 4GB of RAM, 2G per processor: the most any of my machines
has is 2GB, but, I read of a lot of issues with people trying to use
even 4G, and being frustrated by their inability to do that. Maybe the
hardware is exceeding the software's abilities with that much RAM?

HTH,

BC
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Richard

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Since: Nov 17, 2005
Posts: 39



(Msg. 6) Posted: Tue Jan 30, 2007 10:02 pm
Post subject: Re: Tyan S2895 unhappiness [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
In his posting of Mon, 29 Jan 2007, BC writes
>Richard wrote:
>> It's been just over a year now that I had this very expensive
>>computer built for me and frankly it has been very disappointing.
>
>Dear Richard,
>
>looks like tweaking CS2 is quite an art.
>
>From Adobe's web site:
>
>*Troubleshoot system errors or freezes in Photoshop (CS2) on Windows XP*
>
>http://store1.adobe.com/cfusion/knowledgebase/index.cfm?id=327946
>
>Perhaps a triple boot system?
>
>Possibly a clean install of XP32, with minimal drivers and add ons,
>like the above article mentions would allow CS2 to work a bit better.
>
>Paul mentioned 4GB of RAM, 2G per processor: the most any of my
>machines has is 2GB, but, I read of a lot of issues with people trying
>to use even 4G, and being frustrated by their inability to do that.
>Maybe the hardware is exceeding the software's abilities with that much
>RAM?
>
>HTH,
>
>BC

Guys

My apologies for the delay in getting back to you all and thanks for
your suggestions. I am fighting some deadlines at the moment so it may
be a day or so.

Cheers

Richard
--
Richard
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