System Indicator Register; Table 6-6 System Indicator Register - SMART Embedded Computing MVME3100 Installation And Use Manual

6.2.7

System Indicator Register

The MVME3100 board provides a System Indicator register that may be read by the system
software to determine the state of the on-board status indicator LEDs or written to by
system software to illuminate the corresponding on-board LEDs.
Table 6-6
REG
BIT
FIELD
OPER
RESET
BRD_FAIL
Board fail. This bit controls the board fail LED located on the front panel. A set condition
illuminates the front-panel LED and a cleared condition extinguishes the front-panel LED.
USR1_LED
User LED 1. This bit controls the USR1 LED located on the front panel. A set condition
illuminates the front-panel LED and a cleared condition extinguishes the front-panel LED.
USR2_LED
User LED 2. This bit controls the planar USR2 LED. A set condition illuminates the LED and
a cleared condition extinguishes the LED.
USR3_LED
User LED 3. This bit controls the planar USR3 LED. A set condition illuminates the LED and
a cleared condition extinguishes the LED.
RSVD
Reserved for future implementation.
MVME3100 Single Board Computer Installation and Use (6806800M28H)
System Indicator Register
System Indicator Register - 0xE2000002
7 6 5
R R R
0 0 0
System Indicator Register
4 3 2
R R/W R/W
0 0 0
1 0
R/W R/W
0 1
107