MVME5100 Single Board Computer Programmer's Reference Guide

MODFAIL Bit Register
PCI Local Bus
The MVME5100 implementation of this register is fully compliant with
the PowerPlusII programming specification with exceptions to bit RD5, as
indicated in the following table:
The MODFAIL Bit Register provides the means to illuminate the
module’s Board Fail LED.
Table 1-12. MODFAIL Bit Register
REG Module Fail Bit Register - FEF88090h
BIT RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7
FIELD
GREEN_LED
(NOT USED)
OPER R R R R R R/W R R/W
RESET X X X X X 0 X 1
REQUIRED
OR
OPTIONAL
X X X X X O R R
MODFAIL Setting this bit will illuminate the Board Fail LED. Clearing this
bit will turn off the LED.
ABORT_ This bit provides the current state of the ABORT_ signal. If set,
ABORT_ is not active. If cleared, the ABORT_ signal is active.
GREEN_LED This bit not used.
http://www.motorola.com/computer/literature 1-25
ABORT_
MODFAIL
1