Silicon Graphics Origin 3900 User Manual page 212

13: InfiniteReality Graphics Components
186
The G-brick has the following rear-panel components, as shown in Figure 13-3:
• Power switch powers on the L1 controller when moved to the On (
moving it to the Off (
• PWR (power) cord attaches to an external 220 VAC power receptacle.
• 11 board slots that house a Ktown2 board and one or two InfiniteReality graphics
pipes. As you face the rear panel, the boards are located as follows:
– Six rightmost slots (pipe 0) support a Geometry Engine processor board; one,
two, or four raster manager (RM) boards; and a display generator (DG) board.
– Four leftmost slots (pipe 1) support a Geometry Engine processor board, one or
two RM boards, and a DG board.
– Ktown2 board is located between pipe 0 and pipe 1. It contains two XIO
connectors. The top connector connects pipe 0 (six rightmost slots) to an IP53
node board. The bottom connector connects pipe 1 (four leftmost slots) to an
IP53 node board.
• L1 (USB) connector attaches the G-brick to the L2 controller.
) position powers off the L1 controller.
0
) position;
1
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