I/O-8 Board Assembly; Figure A-8 I/O-8 Board Assembly - Silicon Graphics Origin 300 User Manual

I/O-8 Board Assembly

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The I/O-8 board assembly consists of a main I/O-8 printed circuit assembly (PCA), an
I/O-8 daughter card, and a PCI riser (refer to Figure A-8). The assembly provides I/O
interface functions, the I/O connectors to the system back panel, and the L1 controller
functions.
Figure A-8 I/O-8 Board Assembly
The I/O-8 PCA has the following connectors at the bulkhead:
• One external SCSI connector
• One 10BaseT/100BaseT auto-selecting Ethernet connector
• One L1 console connector
• Two USB 4-pin ports
• One USB L1 port
• Two serial ports
• One real-time (RT) interrupt output
• One RT interrupt input
Note: Ports and LEDs are described in detail in "Rear Chassis Components" on
page 122.
PCI riser
I/O-8 PCA
I/O-8 daughter card
SGI Origin 300 Base Module
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