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From: blgardne@javelin.es.com (Blaine Gardner)
Newsgroups: comp.sys.amiga
Subject: Re: Quantum 170s and 210s Speeds? anybody know?
Message-ID: <1990Dec26.144857.16637@javelin.es.com>
Date: 26 Dec 90 14:48:57 GMT
References: <90344.171149IO91461@MAINE.BITNET>
Reply-To: blgardne%javelin@dsd.es.com
Organization: Evans & Sutherland Computer Corporation
Lines: 22

IO91461@MAINE.BITNET (Tom Nezwek) writes:

>          Does anyone have the read & write speeds for the Prodrive
>     170s and 210s handy?
> 
>          I know the 40s/80s/105s are 11ms read/19ms write but how
>     about the 170s and 210s.. The 170s & 210s are SCSI II.. right?

I've got a Q170S in my A3000, using DiskSpeed 3.1 the max read speed is
between 1.03 megabytes/second and 1.05 megabytes/sec. As you can see the
difference between "Medium Intensity, no stress" and "High Intensity,
CPU & DMA stress" is trivial, a credit to the A3000's DMA controller.
Write speeds are marginally slower, about .95 MB/sec to 1.02 MB/sec.
By comparison, the 105S that came with the A3000 had a max read speed of
around 850K/sec.

The 170S is not SCSI II, but it is capable of synchronous mode.
-- 
Blaine Gardner @ Evans & Sutherland  580 Arapeen Drive, SLC, Utah 84108
blgardne%javelin@dsd.es.com     ...dsd.es.com!javelin!blgardne  (I hope)
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DoD #0046   My other motorcycle is a Quadracer.         BIX: blaine_g