Hi Rob,
You can also overcome this problem by using a little memory
management program called Cacheman. It is an excellent program. Go to
to take a look at it.
Regards
Geoff Murray
www.geoffmurray.com
----- Original Message -----
From: "Rob Geraghty" <harper@wordweb.com>
To: <filmscanners@halftone.co.uk>
Sent: Thursday, July 26, 2001 3:11 PM
Subject: filmscanners: Scanning and memory limits in Windows
> I'm just about to plug another 256MB of RAM into my computer and I thought
> I'd better check up on a bug I'd heard mentioned in relation to Windows
> 98. In fact the bug applies to all versions of Windows other than those
> in the NT class (NT 4.0 and Win2K), not just 98. I think Microsoft's
suggested
> workarounds on MSDN are hilarious. I wish I could move to Win2K, but I
> am reasonably certain that the combination of hardware and software I have
> will not work in that environment. So here's the warning in case you plan
> to have more than 512MB RAM in your Windows 95, 98, 98SE or ME computer:
>
> >The Windows 32-bit protected-mode cache driver (Vcache) determines the
> maximum
> >cache size based on the amount of RAM that is present when Windows
starts.
> >Vcache then reserves enough memory addresses to permit it to access a
cache
> >of the maximum size so that it can increase the cache to that size if
needed.
> >These addresses are allocated in a range of virtual addresses from
0xC0000000
> >through 0xFFFFFFFF (3 to 4 gigabytes) known as the system arena.
> >
> >On computers with large amounts of RAM, the maximum cache size can be
large
> >enough that Vcache consumes all of the addresses in the system arena,
leaving
> >no virtual memory addresses available for other functions such as opening
> >an MS-DOS prompt (creating a new virtual machine).
> >
> >WORKAROUND
> >To work around this problem, use one of the following methods:
> >
> >Use the MaxFileCache setting in the System.ini file to reduce the maximum
> >amount of memory that Vcache uses to 512 megabytes (524,288 KB) or less.
> >
> >For additional information about how to use the MaxFileCache setting,
click
> >the article number below to view the article in the Microsoft Knowledge
> Base:
> >
> >Q108079 32-Bit File Access Maximum Cache Size
> >Use the System Configuration utility to limit the amount of memory that
> Windows
> >uses to 512 megabytes (MB) or less.
> >
> >For additional information about how to use the System Configuration
utility,
> >click the article number below to view the article in the Microsoft
Knowledge
> >Base:
> >Q181966 System Configuration Utility Advanced Troubleshooting Settings
>
> >
> >Reduce the amount of memory that is installed in your computer to 512 MB
> >or less.
>
>
> Rob Geraghty harper@wordweb.com
>
>
>
>
>
