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ORDER OF INSTALLATION
To avoid having to continually enter the
test programs from the front panel, it is
adviseable to complete the CRI interface
before going on to the SIO or PIO ports.
The test cassette can then be used to load
Test Programs for checking the other ports
(see Appendix A for a description of the test
cassette).
ADDRESS SELECTION
Address selection for the MIO board consists
of: 1) SELECTING A GROUP of 4 I/O port addresses;
and 2) CONFIGURING the 4 I/O ports within
the selected group of 4 I/O port addresses.
Address selection is achieved through the
use of THE EXTERNAL ADDRESS JUMPER AREA and
THE INTERNAL ADDRESS JUMPER AREA.
EXTERNAL ADDRESS JUMPER AREA
The External Address Jumper Area selects
one group of four I/O port addresses out of
the 64 possible groups of addresses that the
MIO board may occupy. This is accomplished
by selecting Address bits 2-7 at jumper posi
tion U 1 9 .
Table 1 shows the relationship between
a jumper position and an address bit. NOTE
that jumper numbers 7 and 8 are USED FOR THE
CRI CHANNEL.
For any given address bit, a ONE is selected
if a jumper is installed in the correspond
ing jumper position. A ZERO is selected if
no jumper is installed.
MIO
User Guide
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