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Author Topic: UD 18x12 dropping out  (Read 4056 times)
klaus
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« on: February 01, 2007, 10:05:34 AM »

So I finally got my UD-12x18-R from Ebay working. I had to buy one of those USB-Serial converters. It works fine.. almost. It works for a while and then suddenly it starts dropping out in pressure sensitivity. Looks alot like the problem Drew had with his, but I have a fast computer with 2 gigs of ram and the harddisk light never gets on. If I continue painting it goes back to normal after a while.

I tried it on an older computer which had a serial port, just to see if it's the USB converter, but the problem remained.

I am using the UD driver from the wacom site.

Anyone who had the same problem?

Thanks
Klaus
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Drewid
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« Reply #1 on: February 01, 2007, 11:33:03 AM »

Are there any other processes running which might stall things?

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Tanassi
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« Reply #2 on: February 01, 2007, 11:38:00 AM »

Hi Klaus,

i've the same model of you (UD-1218-R) but nothing bad is happening here.
i have connected the tablet to both my machines with direct serial and serial-USB adaptor but everything is going fine here
i'm using driver 4.78-6  on both my computers (machine 1: pentium 4, 2GHz, 1.5Gb - machine 2: some kind of AMD proc. 866MHz, 512Mb)
i've checked pressure both from driver panel and from Artrage, everything's fine!
sorry, i don't know how to help you more, let me know if there's some test i could do for you Smiley

bye... Vince
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Switz
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« Reply #3 on: February 01, 2007, 01:33:05 PM »

Does it use a power adapter?  You can't run the tablet off of a USB because tablet requires 9v and usb only has 5v.
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Tanassi
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« Reply #4 on: February 01, 2007, 02:43:49 PM »

Does it use a power adapter?  You can't run the tablet off of a USB because tablet requires 9v and usb only has 5v.

i don't think so, if not powered by the external power supply, the tablet doesn't work at all!
it seems a pressure issue, may be some pen failure, may be...
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klaus
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« Reply #5 on: February 01, 2007, 05:19:04 PM »

I don't think I have any processes disturbing it.. I'm not sure how I would know that. I am also using the 4.78-6 driver.

It has to run with the power adaptor, nothing to do with that.

Samething happened on two computers.

Klaus
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Switz
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« Reply #6 on: February 01, 2007, 10:43:00 PM »

Where do you have a usb-serial with a built in power adapter?
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Drewid
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« Reply #7 on: February 02, 2007, 07:32:05 AM »

Other things to try.  Serial port speeds can be adjusted at both computer and Wacom ends, that might be worth looking at.
udconfig adjusts various things on board the tablet firmware, you can also take a backup so you don't end up with an expensive table mat. Roll Eyes

"report rate" of the pen can also be tweaked in the drivers.

To check for other processes get up the windows task manager (crtl alt del) and look at the processes tab.  You can ask it to sort by CPU usage so you can see if anything is stalling your processor.
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