ON: Mon, 17 Nov 2003 14:30:32 -0600 Jeff Walther <[EMAIL PROTECTED]> Asked:
Has anyone gotten good Sustained Data Rates (as measured by something like Express Pro-Tools from Atto) in their Write performance with any of the ATA cards? Meaning up above 20 MB/s.
Hi Jeff:
I have a S900 233Mhz with an OWC ACARD CN 2490 v2.14(PCI ATA 133 card) driving a 120Gig IBM (IC35L120AVV207-0) ATA drive from OWC with three partitions.
An 80Gig storage volume, a 30 Gig OS9.1 Boot Volume and a 2Gig OS8.1 Boot volume.
Also two 9.1Gig IBM (DPSS-309170M) SCSI drives on the internal bus.
Speed reported by ATTO Express Tools v2.7 is:
80 Gig Storage volume ATA on bus 2 ACARD: Peak Read= 29.86 MB/s; Sustained Read= 29.09 MB/s Peak Write=25.75 MB/s; Sustained Write= 24.64 MB/s
30 Gig Boot Volume ATA: Peak Read= 29.98 MB/s; Sustained Read= 28.83 MB/s Peak Write=25.42 MB/s; Sustained Write= 24.48 MB/s
9.1 Gig SCSI on Bus 0:
Peak Read= 8.28 MB/s; Sustained Read= 7.75 MB/s Peak Write=8.75 MB/s; Sustained Write= 8.56 MB/s
I apologize for not having the common accepted drive names. I can't find my Invoices and got the info from Apple Profiler. I don't want to tear down the system right now. If you want I can unhook the drives tomorrow and read the labels.
The 120Gig ATA drive , 9.1 Gig SCSI drives and ACARD ATA 133 Card were purchased this past summer from OWC.
Ernie
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