External Components; Front Panel Components; Figure 6-1 X-Brick Block Diagram - Silicon Graphics Origin 3900 User Manual

6: X-brick

External Components

Front Panel Components

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The X-brick also contains two Crosstown2 ports and an Xbridge ASIC. Each Crosstown2
port can connect the X-brick to an IP53 node board. The Xbridge ASIC is the interface
between the X-brick's two Crosstown2 ports and the slots for the XIO cards, as shown in
Figure 6-1.
Crosstown2 ports (800/1200 MB/sec)
XIO 10 port
XIO 11 port
X-brick Block Diagram
Figure 6-1
This section describes the external components located on the front and rear panels of the
X-brick.
The X-brick has the following front-panel components (see Figure 6-2):
• L1 controller display. This liquid crystal display (LCD) displays status and error
messages that the L1 controller generates.
• On/Off switch with LED. Press this button to turn on the X-brick internal
components. Alternatively, you can turn on the X-brick internal components at a
system console.
Host
interface
card
Slot 1
Slot 2
Xbridge
ASIC
Slot 3
Slot 4
For XIO
cards
For XIO
cards
007-4653-001