Xycom XVME-240, Manual

Page: 17 / 73

XVME-240 Manual
October, 1984
2.4.3 Supervisor/Non-Privileged Mode Selection
The DIO can be configured to respond to only Supervisory access, or to both Non-
Privileged and Supervisory accesses, by selecting the position of Switch 7 (located in
Switch Bank 2, see Figure 2-3), as shown in Table 2-4 below.
Table 2-4. Privilege Options
Switch 7
Closed
Open
Privilege Mode Selected
Supervisory or Non-Privileged
Supervisory Only
2.4.4 Address Modifier Reference
The following table (Table 2-5) indicates the actual VMEbus Address Modifier code
that the DIO will respond to based on the position of the two options discussed in the
previous two sections.
Table 2-5. Address Modifier Code Options
Switches Jumper Address Modifier Code
7 8
J2
DIO will respond to
Short Closed Closed B 29H or 2DH
I/O Open Closed B 2DH only
Standard Closed Open A 39H or 3DH
I
Address Open Open 1 A 3DH only
I
2-7