Siemens SIMATIC PG 760 Manual page 72

Option "PCI The following Submenu appears when you select the option "PCI Devices"
Devices"
in the advanced menu:
Figure 5-10 "PCI Devices" Submenu
Here you can set the properties of the PCI expansion slots. If master modules
are enabled for the PCI slot, the entry [Yes] for Default Latency Timer
transfers the number of PCI clock cycles during which the PCI master may
remain active on the bus from the PCI module, and the value set for Latency
Timer is ignored.
PG 760 Programming Device
C79000-G7076-C761-01
PhoenixBIOS Setup-Copyright 1985-95 Phoenix Technologies Ltd.
Main Advanced Security
PCI Devices
PCI Device, Slot #1:
Enable Master: [Enabled]
Default Latency Timer: [Yes]
Latency Timer: [0040]
PCI Device, Slot #2:
Enable Master: [Enabled]
Default Latency Timer: [Yes]
Latency Timer: [0040]
F1 Help Select Item + / –
ESC Exit Select Menu Enter Select
Configuring the PG 760
Power Exit
Item Specific Help
Enable selected device
as
a PCI bus master.
Change Values F9
Sub-Menu F10
Setup Defaults
Previous Values
5-15
5