Chapter 1 Board Description and Memory Maps
MVME3100 Programmer’s Guide (V3100A/PG1)
17
Presence Detect Register
The MVME3100 provides a Presence Detect register that may be read by the system software to
determine the presence of optional devices.
PMC1P
PMC module 1 present. If cleared, there is no PMC module installed in site 1. If set, the PMC
module is installed.
PMC2P
PMC module 2 present. If cleared, there is no PMC module installed in site 2. If set, the PMC
module is installed.
PEP
PMCspan present. If cleared, there is no PMCspan module installed. If set, the PMCspan module
is installed.
RSVD
Reserved for future implementation.
Table 1-14. Presence Detect Register
REG
Presence Detect Register - 0xE2000008
BIT
7
6
5
4
3
2
1
0
FIELD
RSVD
RSVD
RSVD
RSVD
RSVD
PEP
PM
C2P
PM
C1P
OPER
R
R
R
R
R
R
R
R
RESET
0
0
0
0
0
X
X
X