user manual

MVME3100 Installation and Use (V3100A/IH1)
Chapter 1 Hardware Preparation and Installation
6
Geographical Address Switch (S3)
The TSi148 VMEbus Status register provides the VMEbus geographical address of the
MVME3100. This switch reflects the inverted states of the geographical address signals.
Applications not using the 5-row backplane can use the geographical address switch to assign
a geographical address.
Note
1
SW2 configures the operating mode of PCI Bus A during power up. In the default (OFF)
position, the bus is configured for PCI-X mode. In the ON position, the bus is configured for PCI
mode.
Table 1-3. Geographical Address Switch Assignments
Position SW1 SW2
1
SW3 SW4 SW5 SW6 SW7 SW8
Function Not
Used
PCI Bus
A mode
GAP GA4 GA3 GA2 GA1 GA0
(Factory)
OFF
XPCI-X
mode
111111
Table 1-4. Slot Geographical Address Settings
Slot
Address
GAP
GA(4:0)
SW3 SW4 SW5 SW6 SW7 SW8
1 1 11110 OFF OFF OFF OFF OFF ON
2 1 11101 OFF OFF OFF OFF ON OFF
3 0 11100 ON OFF OFF OFF ON ON
4 1 11011 OFF OFF OFF ON OFF OFF
5 0 11010 ON OFF OFF ON OFF ON
6 0 11001ONOFFOFFONONOFF
7 1 11000 OFF OFF OFF ON ON ON
8 1 10111 OFF OFF ON OFF OFF OFF
9 0 10110 ON OFF ON OFF OFF ON
4389 0106
16
Not used
PCI mode
GAP#=0
GA4#=0
GA3#=0
GA2#=0
GA1#=0
GA0#=0
1
2
3
4
5
6
7
8
1
16
Not used
PCI-X mode
GAP#=1
GA4#=1
GA3#=1
GA2#=1
GA1#=1
GA0#=1
1
2
3
4
5
6
7
8
1
ONON