Motorola MVME5100 用户手册
PCI Local Bus
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1
MODFAIL Bit Register
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 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.
module’s Board Fail LED.
MODFAIL
Setting this bit will illuminate the Board Fail LED. Clearing this
bit will turn off the LED.
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.
ABORT_ is not active. If cleared, the ABORT_ signal is active.
GREEN_LED This bit not used.
Table 1-12. MODFAIL Bit Register
REG
Module Fail Bit Register - FEF88090h
BIT
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
FIELD
G
R
EEN_LE
D
(N
O
T
U
S
E
D
)
AB
OR
T_
MO
DF
AIL
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