Chapter 3 – BIOS Setup Menus
3-17
Master Interface Submenu
The VMEbus master setup allows configuration of the processor board’s VMEbus
master interface, auxiliary NMIs, and VMEbus interrupt handler.
Note
When the master interface setting is turned on, master image 0 is
reserved for BIOS use. To avoid conflict, master images 1, 2, and 3 are
available for use.
PhoenixBIOS Setup–Copyright 1985-95 Phoenix Technologies Ltd.
VMEbus
Master Interface
Item Specific Help
Master Interface:
[Off]
If the line item you are
viewing has specific help,
Address Modifier:
[Non-Privileged]
it will be listed here.
Request Level:
[Level 3]
Release Mode:
[When Done]
F1
Help
¯
Select Item
-/+
Change Values
F9
Setup Defaults
ESC
Exit
¨
Select Menu
Enter
Select
}
Sub-Menu
F10 Previous Values
Figure Chapter 3 -14. Master Interface Submenu
Option
Description
Master Interface
Turns the master interface “On” or “Off.” The default is “Off.”
Address Modifier
Allows the choice of “Non-Privileged” or “Supervisory” accesses for VME master
cycles. The access mode selection controls the AM2 signal on the VMEbus
when the XVME-655 performs VMEbus accesses.
Request Level
Sets the bus request level when requesting use of the VMEbus to Level 0, Level
1, Level 2, or Level 3. The default is Level 3.
Release Mode
Sets the bus release mode to use when controlling the VMEbus. The default is
“When Done.”
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