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PC slowed down when reading a CompactFlash card

 
 
Matthieu Gaillet
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      8th May 2005

Hi freaks,

Could someone explain me why each time that I'm reading photos from my
compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
mouse begins to react more or less randomly, the sound is bad (when playing
MP3), .... It seems that reading the card stops all the others activity...
Strange.

The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..

Thanks for helping

Matt


 
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Gomma Pyle
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      8th May 2005

"Matthieu Gaillet" <(E-Mail Removed)> wrote in message
news:a4b64$427de906$3ea68fca$(E-Mail Removed)...
>
> Hi freaks,
>
> Could someone explain me why each time that I'm reading photos from my
> compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
> mouse begins to react more or less randomly, the sound is bad (when
> playing MP3), .... It seems that reading the card stops all the others
> activity... Strange.
>
> The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
> using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..
>
> Thanks for helping
>
> Matt
>
>


perhaps a cpu or ram shortage..............


 
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Matthieu Gaillet
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      8th May 2005

No, there is plenty of free ram and the CPU is idle. You clearly feel that
when the PC access the CF, it cannot do something else at the same time, a
bit like when you were accessing floppy disk at the Win3.1 - Win95 times if
you remember...

Matt

"Gomma Pyle" <(E-Mail Removed)> wrote in message
news:d5ksbj$dm4$(E-Mail Removed)...
>
> "Matthieu Gaillet" <(E-Mail Removed)> wrote in message
> news:a4b64$427de906$3ea68fca$(E-Mail Removed)...
>>
>> Hi freaks,
>>
>> Could someone explain me why each time that I'm reading photos from my
>> compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
>> mouse begins to react more or less randomly, the sound is bad (when
>> playing MP3), .... It seems that reading the card stops all the others
>> activity... Strange.
>>
>> The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
>> using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..
>>
>> Thanks for helping
>>
>> Matt
>>
>>

>
> perhaps a cpu or ram shortage..............
>



 
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Wayne Stallwood
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      8th May 2005
Matthieu Gaillet wrote:

> The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
> using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..


PIO mode disk access can hit CPU performance quite hard, if possible you
want this in DMA mode but I don't know if that is even possible with your
hardware.
 
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Shepİ
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      8th May 2005
On Sun, 8 May 2005 12:54:20 +0200 If I have seen farther it is because
I have stood on the shoulder of giants "Matthieu Gaillet"
<(E-Mail Removed)> wrote :

>
>Hi freaks,
>
>Could someone explain me why each time that I'm reading photos from my
>compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
>mouse begins to react more or less randomly, the sound is bad (when playing
>MP3), .... It seems that reading the card stops all the others activity...
>Strange.
>
>The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
>using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..
>
>Thanks for helping
>
>Matt


http://www.compactflash.org/faqs/faq.htm

I suspect the card should be in DMA mode as per another poster.As I
don't have a flash card I can't bench test how to apply this but the
above link should help.
HTH




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Matthieu Gaillet
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      9th May 2005
Okay... I'll try to set it to DMA, but if I remember well, the setting used
was "DMA if available"....
I don't have the CF right here, I'll make an update.

Thanks to all of you

Matt

"Shepİ" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> On Sun, 8 May 2005 12:54:20 +0200 If I have seen farther it is because
> I have stood on the shoulder of giants "Matthieu Gaillet"
> <(E-Mail Removed)> wrote :
>
>>
>>Hi freaks,
>>
>>Could someone explain me why each time that I'm reading photos from my
>>compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
>>mouse begins to react more or less randomly, the sound is bad (when
>>playing
>>MP3), .... It seems that reading the card stops all the others activity...
>>Strange.
>>
>>The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
>>using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..
>>
>>Thanks for helping
>>
>>Matt

>
> http://www.compactflash.org/faqs/faq.htm
>
> I suspect the card should be in DMA mode as per another poster.As I
> don't have a flash card I can't bench test how to apply this but the
> above link should help.
> HTH
>
>
>
>
> --
> Free Windows/PC help,
> http://www.geocities.com/sheppola/trouble.html
> remove obvious to reply
> email (E-Mail Removed)
> Free original songs to download and,"BURN" :O)
> http://www.soundclick.com/bands/8/nomessiahsmusic.htm



 
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kony
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      9th May 2005
On Mon, 9 May 2005 10:18:50 +0200, "Matthieu Gaillet"
<(E-Mail Removed)> wrote:

>Okay... I'll try to set it to DMA, but if I remember well, the setting used
>was "DMA if available"....
>I don't have the CF right here, I'll make an update.
>


Odds are the card and flash only support PIO mode.
You might try another driver for the card, and if that fails
consider trying a USB2 reader.
 
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Matthieu Gaillet
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      12th May 2005
I contacted the crew of Dan-Elec. They gave me no answer except bull ****.
Let's forget it and use a USB reader.....



"Matthieu Gaillet" <(E-Mail Removed)> wrote in message
news:a4b64$427de906$3ea68fca$(E-Mail Removed)...
>
> Hi freaks,
>
> Could someone explain me why each time that I'm reading photos from my
> compact flash card installed in a CF-to-PCMCIA, my PC becomes slow, the
> mouse begins to react more or less randomly, the sound is bad (when
> playing MP3), .... It seems that reading the card stops all the others
> activity... Strange.
>
> The card is detected as being connected to a PCMCIA IDE/ATAPI Controller,
> using IRQ5 (ISA) (not shared) and transferring datas in PIO mode..
>
> Thanks for helping
>
> Matt
>
>



 
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