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C
DTT
... v
Zilog
Table 2-8.
Data Width: Byte, Word, Long Word
CPU
B/W-
W/LW-
DATA WIDTH
I
I
Sets.data width to 8-bit byte on
lines ADO-7.
a
1
Sets data width to In-bit word on
lines ADO-IS
I
0
Sets data width to 32-bit double
word size on ADO-32
0
a
Reserved
2.7.
Jumper Selection
The CPU board is currently configured
for
a
non-segmented
operating system and shipped with jumper selection as listed
under NON-SEGMENTED.
The jumper selection is
supported
by
software
and can not be changed in the field. The segmented
jumper selections are for reference only. Jumpers EI through
E12
determine
the operating mode.
The jumpers are config-
ured as follows:
NON-SEGMENTED
E2 to E3
E4 to ES
E7 to E8
Ell to E12
SEGMENTED
El to E2
ES
to
En
E8 to E9
E10 to E12
CAUTION
These jumpers are properly set by the manufacturer
and
must
not
be changed by the user.
Segmented
jumper selections are for reference only.
2.8.
Line Printer Jumper Selection
The line printer installation procedure is found in the Sys-
tem
8000
Hardware
Reference Manual (03-3l98-0l). The ZEUS
operating
system
can
support
a
printer
with
either
a
Centronics/Printronix
or
Data Products interface.
The CPU
board is shipped wi th the jumpers E13 through E18
connected
for
a
Centronics/printronix printer interface. The printer
interface may be selected as follows:
2-7
Zilog
2-7
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