[CentOS] Intel 965 howto Was: Easy upgrade path from beta5 to stable 5?

Tue Jan 23 23:20:01 UTC 2007
John Summerfield <debian at herakles.homelinux.org>

Stephen Harris wrote:
> On Tue, Jan 23, 2007 at 04:38:27PM +0100, David Hrb???? wrote:
> 
>>  Timing buffered disk reads:   70 MB in  3.03 seconds =  23.14 MB/sec
> 
> That's pretty slow.  Comparing to traditional EIDE disks, that's around
> UDMA2 speeds  (a UDMA2 disk on a Dell P3-800 gives 20MB/sec).  My USB2
> enclosures are faster than that (30MB/sec on a Shuttle AMD-2500).
> 
>>  Timing buffered disk reads:  146 MB in  3.02 seconds =  48.35 MB/sec
> 
> That's closer to UDMA5 speeds (approx 55MB/sec on both machines).
> 
> All in all, not very impressive!
> 
For comparison:
root at Bandicoot:~# hdparm -Tit /dev/hda

/dev/hda:

  Model=ST3160212A, FwRev=3.AAJ, SerialNo=4LS4ZQ3R
  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
  BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=off
  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
  IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
  PIO modes:  pio0 pio1 pio2 pio3 pio4
  DMA modes:  mdma0 mdma1 mdma2
  UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
  AdvancedPM=no WriteCache=enabled
  Drive conforms to: Unspecified:  ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 
ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7

  * signifies the current active mode

  Timing cached reads:   1152 MB in  2.00 seconds = 574.67 MB/sec
  Timing buffered disk reads:  182 MB in  3.06 seconds =  59.40 MB/sec
root at Bandicoot:~#

The drive's pretty new, the BIOS is dated Dec 2004, and the mobo is an 
ASUS A7V400-MX (cheap all-in one, Via chipset), the CPU AMD Sempron(tm) 
   2400+.




-- 

Cheers
John

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1aaaaaaa at coco.merseine.nu  Z1aaaaaaa at coco.merseine.nu

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