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3-4 Ultra Enterprise 6000/5000/4000 Systems Manual—November 1996
3
Figure 3-2 Load Board (Enterprise 6000 Systems Only)
3.3 Hot-Plug Feature
Enterprise systems have extensive error detection mechanisms, and an
Automatic System Reconfiguration (ASR) feature that enables the system to be
rebooted with failed components (such as CPUs, memory, or I/O) disabled.
When an error is detected, the system can be reconfigured so that the board
containing the failed components is placed in low power mode and is no
longer accessible.
Caution – The peripheral power supply provides the precharge voltages
required for hot-plug. Do not attempt hot-plug of a system component if the
power supply is missing or inoperative. Use prtdiag(1M)to determine the
status of the peripheral power supply.
Caution – If the message: NOTICE: Hot Plug not supported in this
system is displayed during boot, do NOT attempt hot-plug in this system or
damage to the hardware will occur.
Springfingers
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