D-8
SPARCcenter 2000 System Board Manual—October 1994
D
D.5 Selecting SIMM or NVSIMM Locations
The SPARCcenter 2000 system board has two buses, as shown in Figure D-4.
Figure D-4
SIMM Slot Locations and U-numbers
The SIMM slots on each board are divided into four groups of four slots each,
and two groups (0 and 1) are attached to each bus.
SBus slot 1
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—
—
—
—
—
—
D
D
SBus slot 2
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—
—
—
—
—
—
—
—
—
SBus slot 3
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—
—
—
—
—
—
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F
F
Table D-3 Example of SBus Card Distribution
Board Slot Number
9
8
7
6
5
4
3
2
1
0
Group 0 of XDBus 1
Group 1 of XDBus 1
SIMM sockets
XDBus connector 1
XDBus connector 0
U
3
9
0
0
U
4
3
0
0
U
3
7
0
0
U
4
1
0
0
U
3
8
0
0
U
4
2
0
0
U
3
U
4
7
0
0
U
5
1
0
0
U
4
5
0
0
U
4
9
0
0
U
4
6
0
0
U
5
0
0
0
U
4
Group 0 of XDBus 0
Group 1 of XDBus 0