On 12 Feb, Eric W. Biederman wrote:
> Ronald G Minnich <[EMAIL PROTECTED]> writes:
> 
>> On 12 Feb 2001, Eric W. Biederman wrote:
>> 
>> > We should enable MTRR's for the RAM being tested in the RAM test.
>>             ^^^^^^^ disable? don't you want the writes to go to ram, not
>> be cached?
> 
> I want Write-Combining to be enabled.  This is still uncached but enables
> the write buffers so that you get burts to/from memory.  
> 
> Eric

If write combining doesn't actually cache the data, meaning next time
you come back and read it it actually reads the ram, then write
combining should achieve everything needed.  It was bursts that killed
my almost working system.

Ty

-- 
Tyson D Sawyer                             iRobot Corporation
Senior Systems Engineer                    Real World Interface Div.
[EMAIL PROTECTED]                         Robots for the Real World
603-532-6900 ext 206                       http://www.irobot.com

Reply via email to