Siemens PC 670 Manuel de service Page 102

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Configuring the Computing Unit
5-16
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
On board PCI Ethernet field
The system goes to the following submenu when you select this menu option:
PhoenixBIOS Setup Utility.
Item Specific Help
F1
ESC
Help
EXIT
Select Item
Select Menu
+ /
Enter Select
Change Values F9
F10
Setup Defaults
Save and Exit
Sub-Menu
Advanced
Option ROM Scan [Disabled]
Enable Master: [Disabled]
on board PCI Ethernet
Latency Timer: [0040h]
Initialize device expansion
ROM
Figure 5-13 On board PCI Ethernet submenu
Field Meaning
Option ROM
Scan
Enabled The option ROM of the PCI module (if present) is enabled
Disabled The option ROM of a PCI module is disabled.
Enable Master Enabled This slot can assume the PCI master function
Disabled This slot can only operate as a PCI slave.
Latency Timer Default The number of active PCI clock cycles of the master
modules are determined by the module
0020H With these settings, the maximum active
00E0H PCI clock cycles are set to the selected value.
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