Specifications

Index
V40 SCU ................................................... 10-4
reliability
....................................................... C-5
reset
........................................................... 3-21
devices affected by reset
.....................................3-23
return for service
............................................... C-6
revision history
................................................. C-2
RFC - Refresh Control register
................................. 6-10
RMA (Returned Material Authorization)
........................ C-6
ROM socket
................................................... 2-10
device type selection jumpers
.................................A-7
RS-485
definition
.................................................... D-4
operation
.................................................. 11-23
output enable (jumper selection)
.............................. A-5
selection jumpers, RS-485 vs. RS-232-C
..................... A-4
serial port pinout
............................................B-13
RS-232-C
definition
.................................................... D-4
selection jumpers, RS-232-C vs. RS-485
..................... A-4
serial port pinout
............................................B-12
-S-
SBX expansion module .............................. 1-10, 3-5, 14-1
address expansion (cuttable traces)
.......................... A-19
clock duty cycle (cuttable traces for selection)
............... A-17
custom I/O (frontplane connector J4)
.........................14-2
I/O address
..................................................2-13
Schottky TTL, definition
........................................D-4
SCM - Serial Command register (V40 SCU)
.................... 10-8
SCU - Serial Control Unit (V40)
..................... 1-8, 5-21, 10-1
asynchronous data format
.................................. 10-12
baud rate
...................................................10-13
block diagram
...............................................10-3
definition
.................................................... D-4
frontplane connector J5
................................10-2, B-10
functional description
....................................... 10-3
xi