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Software • BIOS options
1.6.8 Miscellaneous configuration
BIOS setting
Function
Realtime environment
Configures settings for real-time operating sys-
tems such as ARwin
PCI MMIO size
Option for setting the PCI MMIO (memo-
ry-mapped I/O) size
Extended temperature
Option for configuring the RAM refresh rate for
range
extended temperature.
210
Figure 128: Advanced - Miscellaneous configuration
Information:
With 32-bit operating systems, the
configured MMIO size is stored in the
memory under 4 GB. There is therefore
less memory available (by the MMIO
size) on systems with 4 GB main mem-
ory.
This is not the case with 64-bit operat-
ing systems.
Table 206: Advanced - Miscellaneous configuration
Configuration options
Effect
Disabled
Disables this function
Enabled
Disables DTS, Turbo boost, SpeedStep, ASPM
and the INT of root port 1 (IF). "CPU C-
States" are also disabled, and "Boot perfor-
mance mode" is set to "Max. performance".
The options that are disabled and configured by
Realtime environment are grayed out and can-
not be changed.
2 GB, 1.5 GB, 1.25
Sets the selected memory size
GB, 1 GB, auto
Disabled
Default RAM refresh
Enabled
Increasing the RAM refresh
Panel PC 2100 user's manual V1.11
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