Author: William Penn
Date: 19:31:44 09/10/03
Running Windows XP Home, AMD Athlon XP 2400+ at 2.0GHz, 1GB RAM, 120GB hard drive, and the Shredder 7 GUI. All was fine when I only had 640MB RAM. Now I've plugged in 1GB RAM memory and the Shredder 7 engine won't load. It says "Engine: not enough memory", and aborts the load. Other engines load fine such as Shredder 7.04 UCI or Fritz 5.32. The amount of hash selected has no effect on this problem with the Shredder 7 engine, nor does disabling the tablebases. However after some experimenting, I discovered that it relates to the windows pagefile size. If the pagefile is less than about 1GB, then the Shredder 7 engine will load. Otherwise it aborts. If I turn off virtual memory (no pagefile), the Shredder 7 engine loads and runs fine. It even accepts the indicated maximum hash size of 784MB. But I don't want to run my computer without a pagefile... I could possibly solve this problem by limiting the size of the windows pagefile, but unfortunately I can't. For unknown reasons, that custom windows setting won't work on my XP Home computer. The pagefile always soon reverts to about 1493MB, ignoring whatever I have specified for maximum/minimum sizes. I've tried logging in as administrator in safe mode, and otherwise, so that's presumably not the cause. Except for the inability to set a maximum/minimum pagefile size, my computer is working OK. Diagnostics check out OK on my RAM memory and other system hardware components. I believe the problem is pretty clearly with the Shredder 7 engine. Anybody else have this problem? Any ideas? WP
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