* Memory unstable problem
@ 2007-02-25 7:49 enorm
2007-02-28 6:50 ` Sam Song
0 siblings, 1 reply; 2+ messages in thread
From: enorm @ 2007-02-25 7:49 UTC (permalink / raw)
To: linuxppc-embedded
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Memory unstable problem
2007-02-25 7:49 Memory unstable problem enorm
@ 2007-02-28 6:50 ` Sam Song
0 siblings, 0 replies; 2+ messages in thread
From: Sam Song @ 2007-02-28 6:50 UTC (permalink / raw)
To: enorm; +Cc: linuxppc-embedded
enorm <enorm@126.com> wrote:
> Our board uses DDR2 667 MHz( the evm board can
> support so), when its data rate is 320 or 400
> MHz it's stable, when data rate reaches 533 or
> 667 MHz it became unstable. What may cause it?
> Your answers are great appreciated.
It is really a DDR2 setup issue. Pls try to
adjust the timing parameter in your boot code.
Questions could be better to sent to boot code
list RATHER THAN OS list.
Best regards,
Sam
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2007-02-25 7:49 Memory unstable problem enorm
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