MVME5100 Single Board Computer Programmer's Reference Guide

Extended Features Register 1
PCI Local Bus
This register is used to read if a PMC board is present or if a PCI expansion
slot is present. Exceptions to the PowerPlus II Programming Specification
are included in the following table.
Table 1-16. Extended Features Register 1
REG Extended Features Register 1 - Offset 80F0h
BIT
FIELD
RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7
USBV1_OK
(NOT USED)
USBV0_OK
(NOT USED)
TMPRSNT_L
(NOT USED)
PMC1P_L PMC Module 1 Present. If set, there is no PMC module installed
in position 1. If cleared, the PMC module is installed
PMC2P_L PMC Module 2 Present. If set, there is no PMC module installed
in position 2. If cleared, the PMC module is installed.
MMEZ1_P_L Memory Mezzanine 1 present. When set there is no memory
mezzanine 1 present. When cleared, there is a memory mezzanine
1 present.
MMEZ2_P_L Memory Mezzanine 2 present. When set, there is no memory
mezzanine 1 present. When cleared, there is a memory mezzanine
2 present.
http://www.motorola.com/computer/literature 1-31
PMC1P_L
PMC2P_L
PMC2_ERDY
(NOT USED)
OPER R R R R R R R R
RESET x x x x x x x x
REQUIRED
OR
OPTIONAL
O O O O O O O O
MMEZ1_P_L
MMEZ2_P_L
1