Siemens SIMATIC Box PC 840 Manual page 97

"PCI Devices" Field
If the PCI devices field is selected, the following submenu appears:
Option Rom Scan
Enable Master:
Latency Timer:
F1 Help
ESC Exit
Figure 5-11
Option ROM
Scan:
Enable Master:
Latency Timer
SIMATIC Box PC 840 Manual
A5E00085984-04
PhoenixBIOS Setup Utility.
Advanced
PCI Devices, Slot #1
[Enabled]
[Enabled]
[0040h]
Select Item + / – Change Values
Select Menu Enter Select
Submenu "PCI Devices, Slot #1"
[Enabled] The option ROM of the PCI module (if present) is
enabled
[Disabled] The option ROM of a PCI module is disabled.
[Enabled] This slot can assume the PCI master function
[Disabled] This slot can only operate as a PCI slave.
[Default] The number of active PCI clock cycles of the master
modules are determined by the module
[0020H With these settings, the maximum active PCI clock
to cycles are set to the selected value.
00E0H]
Configuring the SIMATIC Box PC 840
Item Specific Help
Initialize device expansion
rom
F9 Setup Defaults
Sub-Menu F10 Save and Exit
5-15