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Date:      Wed, 7 Feb 1996 09:51:03 -0800 (PST)
From:      "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
To:        soward@service1.uky.edu
Cc:        current@freebsd.org
Subject:   Re: 7880 driver in SNAP
Message-ID:  <199602071751.JAA26201@GndRsh.aac.dev.com>
In-Reply-To: <199602071651.LAA25381@neworder.cc.uky.edu> from "John Soward" at Feb 7, 96 11:51:10 am

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> 
> 
> I just loaded the 2.2-960130-SNAP on a new HP XU 6/150 Pentium Pro. Of  
> course, it didn't like the HP ethernet card, but it also coughed up some error  
> with the 7880 -- still worked though...iozone performance is only about  
> 3Meg/sec which is worse than a 2940+Hawk+P100...

THe Quantum fireball drive in this machine is a 4500RPM 12mS drive that
can only do about 3MB/s no matter what you hook it to.  The Seagate Hawk
drives are 5400RPM 9mS drives that can do 5 to 6MB/sec.

Your not comparing Apples with Apples!!!  Now don't be surprized when you
stick the hawk in the PPro 150 and it only goes to 4.5MB/s.  The Orion
chipset used in all P6 machines has some rather serious problems :-(

> Feb  6 14:09:17 test63 /kernel: ahc0 <Adaptec aic7880 Ultra SCSI host adapter> r
> ev 0 int a irq 9 on pci0:2
> Feb  6 14:09:17 test63 /kernel: checksum error
> Feb  6 14:09:17 test63 /kernel: ahc0: SEEPROM read failed, using leftover BIOS v
> alues
> Feb  6 14:09:17 test63 /kernel: ahc0: aic7880 Single Channel, SCSI Id=7, 16 SCBs
> Feb  6 14:09:17 test63 /kernel: (ahc0:0:0): "QUANTUM FIREBALL1080S 1Q09" type 0
> fixed SCSI 2
> Feb  6 14:09:17 test63 /kernel: sd0(ahc0:0:0): Direct-Access 1042MB (2134305 512
>  byte sectors)
> 
> ---
> John Soward		<a href="http://www.uky.edu/~soward">JpS</a>;
> Systems Programmer 	'The Midnight sun will burn you up.'
> University of Kentucky    (NeXT and MIME mail OK)         -R. Smith
> :::I'm not speaking for UK. I may not even be speaking for myself:::
> 


-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation Company                 Reliable computers for FreeBSD



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