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A8N-SLI Deluxe SATA II support & command queuing

R

rauskis

Member
I just got new Hitachi 250GB SATAII hard drive (T7K250) and installed it. I'm using nVidia nforce 6.53 driver and nvidia's ide driver. Device manager says that transfer mode is "Serial ATA Generation1 - 1,5G", WHY?? Shouldn't it be "Generation2 - 3GB" like this new HD should be?? Or do I have to enable SATAII - 3Gb support somewhere or what?

And question about command queuing: I heard thath enabling it could possibly cause data corruption on Nvidia SATA controller, is this true??
 
same issue with my hitachis...set to SATA-I by factory default...used the ibm/hitachi dos-tool to set the hardware to SATA- II. Maybe the same tool's available for your drives...(sorry for typos, am on mobile on the bus 😉 )
 
Curious issue but does it matter too much? Your HD (heck all current IDE/SATA HD's) can't saturate the bandwith available with SATA1 much less SATA2.
 
I managed to get my hitachi function in sata II 3G mode. I ran HDtach and it showed even lower performance when 3G mode was enabled than with 1,5G mode, random access dropped by 1ms and average read was also lower. Burst speed almost doubled to 231MB/s.

By the way, what is "Spread Spectrum Clocking" and should I enable it with Hitachi's DOS based utility!?
 
Originally posted by: rauskis
By the way, what is "Spread Spectrum Clocking" and should I enable it with Hitachi's DOS based utility!?
Click to expand...

Wasn't that the thing in the past to make the cpu pass FCC EMI testing?
Maybe same for the drives, so turning it off would be better I presume (from the former cpu experience => screw FCC, gimme performance...) 😉
 
Originally posted by: akugami
Curious issue but does it matter too much? Your HD (heck all current IDE/SATA HD's) can't saturate the bandwith available with SATA1 much less SATA2.
Click to expand...

Tagged queuing can be a huge advantage for some applications and some workloads.

I am not sure Windoze is up tot he task of using it effectively, though.
 
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