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Former Member

Using SBO with Wyse Winterm S30 Thin Clients

I have a customer who is using Microsoft Terminal Services via Wyse Winterm S30 Thin cllents to access SBO over a VPN. We are experiencing excessive rolling (redisplay) when screens are refreshed. The problem is compounded if a Marketing Document contains multiple Text lines. We have two terminal servers, each with about 12 thin clients connected.

I would appreciate feedback from anyone with experience of using thin clients, regardless of brand.

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    Former Member
    Aug 22, 2007 at 07:25 AM

    Hi,

    Thin clients normally have a low memory allocation on the video card (8mb to 16MB) so this can be a problem. Check to see if you can change this in the BIOS on the WYSE. If not connect at 256 Colours to reduce this. If you have pictures linked to products then their resolution will not be good but for SAP itself the difference is small. Also rename the SAPSS.AVI to .old if you have not already done so so that the splash screen does not come up when logging in.

    In my multimedia testing on thin clients, unrelated to SBO, I found that both memory and processor power made a huge difference, which is contrary to thin client manufacturer claims. As an example I used a 200MHz/64MB TC for a flash application and sound was about 3 seconds behind the image and the image update would skip 3 to 5 frames when updating. Moving to a 800Mhz/128MB TC The frame refresh rate was almost perfect and the sound was only about 0.5 seconds behind. I would therefore test on a more powerful thin client to see if it improves performance.

    The S30 is a 400MHz (rated @ 533 on performance by AMD). Try a 1GHz TC with the maximum Video memory you can find.

    We are currently using VXL Itona 800Mhz/128MB and do not experience too much rolling but we are using 256 colours.

    Hope this helps.

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