Motorola MVME3100 manual Geographical Address Switch S3, Geographical Address Switch Assignments

Chapter 1 Hardware Preparation and Installation

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.

1

1

2

ON

161

Not used

PCI mode

1

2

ON

16

Not used

PCI-X mode

3

GAP#=0

3

GAP#=1

4

GA4#=0

4

GA4#=1

5

GA3#=0

5

GA3#=1

6

GA2#=0

6

GA2#=1

7

GA1#=0

7

GA1#=1

8

GA0#=0

8

GA0#=1

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Table 1-3. Geographical Address Switch Assignments

Position	SW1	SW21	SW3	SW4	SW5	SW6	SW7	SW8
Function	Not	PCIBus	GAP	GA4	GA3	GA2	GA1	GA0
	Used	A mode
(Factory)	X	PCI-X	1	1	1	1	1	1
OFF		mode

Note 1SW2 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 1-4. Slot Geographical Address Settings

Slot	GAP
Address	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 11001	ON	OFF	OFF	ON	ON	OFF
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

6MVME3100 Installation and Use (V3100A/IH1)