[Coco] hard disk performance

[Bob Devries]

On my NitrOS9 6309 system, using SCSISYS version 2.2 and a Disto 4-in-1 with 
a Quantum LPS drive, I get a megaread of 20 seconds. I load both the date 
and megaread commands before execution.

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Tim Fadden" <t.fadden at cox.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Sunday, September 28, 2008 3:05 PM
Subject: Re: [Coco] hard disk performance


> Robert Gault wrote:
>> Tim Fadden wrote:
>>
>>>   I see you did load date.  Did you also load megaread?  Although that 
>>> would only account for  much time.
>>
>> Good suggestion and I had not. However, there is no significant change in 
>> timing after preloading megaread.
>>
>> What vintage drive are you using? It would be useful to determine if my 
>> slower speed is caused by the Seagate drive or the software.
>>
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>>
> The hard drives I have are Quantum 105s 3-1/2 full hight drives. I would 
> have to guess from about 89 to 91?  One of the first generation of scsi 
> drives with imbedded controller.  Also, I got Nitros9 6309 working, and 
> mega read is identical to my original os9 system.  See below:
>
> Scsisys 1.1 driver used on all versions of os9, and same megaread used 
> also.
>
> Stock OS:        31 sec
> Nitros9 6809:   31 sec
> Nitros9 6309:   36 sec
>
> Not sure why, but the 6309 version is the slowest.  using same exact 
> hardware and scsi drivers.
>
> Also, I have not been able to get any serial port drivers or parallel port 
> drivers for the disto 4in1 to work.  So, until then, I will be staying 
> with the old system.
>
> Tim fadden
>
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