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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!darwin.sura.net!jvnc.net!news.edu.tw!news!debbie!ccsun17!u7917055
- From: u7917055@cc.nctu.edu.tw (ultima)
- Subject: Re: SCSI & Transfer Rates
- Message-ID: <1992Nov19.161644.28013@debbie.cc.nctu.edu.tw>
- Sender: usenet@debbie.cc.nctu.edu.tw (News Sender)
- Organization: National Chiao Tung University
- X-Newsreader: TIN [version 1.1 PL6]
- References: <1992Nov16.070623.11926@sfu.ca>
- Date: Thu, 19 Nov 1992 16:16:44 GMT
- Lines: 23
-
- Martin Tichy (mtichy@fraser.sfu.ca) wrote:
- : Presently I have an adaptec 1542B and a Quantum Pro Drive 240
- : S. I've seen in the Computer Paper that the Quantum Pro Drive
- : with it's 4300 rpms as opposed to 3600 rpms of standard HD's
- : as well as it's 256K Segmented Read/Write Cache is supposed to
- : give me hard drive transfer rates up to 3.8 MBs per second.
- : The adaptec 1542B with it's bus mastering DMA access is
- : supposed to do up to 5MBs per second too isn't it?
- :
- : My bios version is 3.10 and my ASPI4dos is version 3.0.
- : PCtools and Norton Utilites report hard drive transfer rates
- : of only around 1175 K per second. What's wrong?
-
- nothing wrong, caz pctools & norton util test merely HD transfer rates
- (without cache & controller), use coretest to retest it.....
-
- : Also does a SCSI II controller that has the capability to
- : burst up to 10MB per second have to be used on a SCSI II hard
- : drive to achieve these rates? I'm wondering because I
- : currently have an UltraStor 34F VL-BUS SCSI II controller on
- : order and I wanted to use it with my Quantum 240S Pro Drive.
-
- yes, but must be a good one.(expensive one!!
-