6. Advanced configuration
Barco – Eos Workstation for Windows – DOC-3062-2 – Revision 12 – August-2004
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6-21
SynchronizeEngine
With the
SynchronizeEngine
entry in the registry the graphic performance can be increased accepting a
longer interrupt time.
Name
SynchronizeEngine
Typ
DWORD
Value
0
or
1
Default
0
Effective
after rebooting
Table 6-21
3.5.2 Configuring the display driver
for more details (
Synchronize with graphics engine
).
UseDeviceBitmaps
Whether device bitmaps (off-screen video memory) are used or not is stored as
UseDeviceBitmaps
in the
registry.
Name
UseDeviceBitmaps
Typ
DWORD
Value
0, 1
or
800000..B000000
hex (8..176MB)
Default
1
Effective
after rebooting
Table 6-22
3.5.2 Configuring the display driver
for more details (
Use device bitmaps
).
If the use of device bitmaps is activated, the display driver attempts to store the bitmaps in the physical memory
of the graphic cards. If this memory is not sufficient, system memory is used beyond (Paged Pool), which could
lead to conflicts with system processes. The paged pool is managed by Windows and only released to a specific
amount. It is advisable to increase, this storage space from 0MB (dynamic management) to the maximum
192MB (
C000000
hex). This is set in the registry editor under the following path:
HKEY-LOCAL-MACHINE
\System
\CurrentControlSet
\Control
\Session Manager
\Memory Management
\PagedPoolSize
You can find a detailed description for calculating the paged pool size in:
•
Microsoft Knowledge Base
, Article ID: Q126402
By default the display driver of E
OS
will leave at least 16MB of paged pool space for other applications on sys-
tems with 32MB RAM or more. By setting the UseDeviceBitmaps registry entry to a value between 800000 and
B000000 hex (8..176MB), the paged pool usage for device bitmaps can be even further limited. It is recom-
mended to make use of this possibility only if applications and/or other drivers running on the machine need a
combined amount of paged pool space larger than 16MB.
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