[Beowulf] Re: Purdue Supercomputer
joelja at bogus.com
Sun May 11 17:17:22 EDT 2008
Karen Shaeffer wrote:
> On Sun, May 11, 2008 at 12:42:18PM -0700, Joel Jaeggli wrote:
>> Karen Shaeffer wrote:
>>> To implement full IPMI capability on the system board, then you need
>>> two separate and independent power distribution systems on the system
>>> board I believe, which is why they implement IPMI with a daughterboard.
>> +5volt standby from the atx power supply is used to provide wake-on-lan
>> functionality and power a ipmi implementation. it is available when
>> the system is otherwise off.
> Hi Joel,
> Yes, but a separate and distinct power distribution for that +5 volt
> supply will then need to be implemented on the system board to support
> a full IPMI implementation residing on the system board.
Uh... you see it being used to power both the ethernet (for WOL) and the
Baseband mangment controller.
> That was my
> point. You are confusing power source with implemented PCB power
No I'm not.
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