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Solution Systems Technologies Inc.
Configuration Switch S1: General Purpose Functions (S1-1 to S1-8)
The eight General Purpose Input lines (GPI0-GPI7) on the MVME197LE may
be configured with selectable switch segments S1-1 through S1-8. These
switches can be read as a register (at $FFF40088) in the VMEchip2 LCSR. Refer
to the VMEchip2 chapter in the MVME197LE, MVME197DP, and MVME197SP
Single Board Computers Programmer's Reference Guide for the status of lines GPI0
through GPI7. Factory configuration is with the general purposes input lines
disabled (open).
S1-1 to S1-8: OFF -- All Ones (FACTORY CONFIGURATION)
Configuration Switch S1: System Controller Enable Function (S1-9)
The MVME197LE can be the system controller. The system controller
function is enabled or disabled by configuring selectable switch segment
S1-9. When the MVME197LE is the system controller, the SCON LED is
turned ON. The VMEchip2 may be configured as a system controller as
illustrated below. Factory configuration is with the system controller
switch enabled (closed).
MVME197LEIG/D1
Solution Systems Technologies Inc.
720-565-5995 | info@solusys.com | www.solusys.com
1
2
3
O
O
N
N
1
2
3
O
O
N
N
S1-9: ON -- MVME197 IS the System Controller
(FACTORY CONFIGURATION)
1
2
3
O
N
S1-9: OFF -- MVME197 IS NOT the System Controller
720-565-5995 | info@solusys.com | www.solusys.com
Switch S1
4
5
6
7
8
Switch S1
4
5
6
7
8
Switch S1
4
5
6
7
8
Hardware Preparation
9
CLOSED
OPEN
9
CLOSED
OPEN
9
CLOSED
OPEN
2
2-5
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