System Board Description; Figure 1-1 End And Side Views Of The System Board - Sun Microsystems SPARCserver 1000 Manual

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1.3 System Board Description

Figure 1-1 shows the locations of major components on the system board.

SIMMs

SBus connectors

SuperSPARC modules

Figure 1-1

End and Side Views of the System Board

All system boards are essentially the same; no jumper changes are necessary.

System boards can be moved to any slot, especially during troubleshooting.

However, the system board in card cage slot 0 is considered the system bus

master. The minimum configuration for this board requires a SPARC® module

in location A. If a serial-interface console is used, it must be plugged into

RS232 connector A on the system master. If a color monitor is used, a color-

graphics interface card must be installed in SBus slot 1 on the system master.

Also, by convention, system boards are installed in the lowest card cage slot

numbers first. Fill all SuperSPARC module A slots before using the B slots. Fill

all group 0 SIMMs before installing any group 1 SIMMs.

For comprehensive slot assignment rules and configuration priorities, refer to

Appendix C, "General Rules for System Configuration."

Before You Start

1-3

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