XVME-212 Manual
August, 1989
Table 2-1. XVME-212 Jumper/Switch List
Jumper/Switch
Address Switches (Sl)
S1 (switches 1-6)
Sl (switch 7)
Use
Module Base Address Select
This switch determines whether the
module will respond only to
supervisory accesses or to both
supervisory and non-privileged
accesses.
Sl (switch 8)
This switch works in conjunction
with Jumper J3 to determine
whether the board operates with
address modifiers for Short I/O
Address Space or those for Standard
Address space. (See note below.)
Interrupt Level Switches (S2)
S e l e c t s t h e i n t e r r u p t s t o b e
generated by a change of state on
input lines.
Jl, J2 Selects whether to use or bypass the
IACK daisy chain.
J3
This jumper works in conjunction
with Sl (Switch 8) for address space
selection (i.e., Short I/O Address
Space or Standard Address Space.
(See note below.)
J4 - Jll Determines the debounce period.
Note
See also Section 2.4.2, Switch 8 of Switch Bank Sl.
2.4.1
Base Address Selection Switches (Sl-1 to Sl-6)
The XVME-212 module is designed to be addressed within either the VMEbus Short I/O
or Standard Memory Space. Since each I/O module connected to the bus must have its
own unique base address, the base addressing scheme for the XVME I/O modules has been
designed to be switch or jumper selectable. When the XVME-212 module is installed in
the system, it will occupy a 1 Kbyte block of the Short I/O Memory or Standard Address
Space (called the module I/O Interface Block).
2-4
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