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Date:      Tue, 04 Dec 2001 18:29:58 +0800
From:      nuzrin yaapar <nuzrin@yahoo.com>
To:        sos@freebsd.dk
Cc:        Miklos Niedermayer <mico@bsd.hu>, Greg Lehey <grog@FreeBSD.ORG>, current@FreeBSD.ORG
Subject:   Re: HEADSUP ATA support for newer SiS chipsets added
Message-ID:  <3C0CA5A6.6050003@yahoo.com>
References:  <200112031010.fB3AAlL92880@freebsd.dk>

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Søren Schmidt wrote:

> It seems Miklos Niedermayer wrote:
> 
>>I think they are idle (looking at vmstat -i), but i can't be sure.
>>However i have 2 machines here with VIA 82C596 chipset...
>>
>>atapci0: <VIA 82C596 ATA66 controller> port 0xd800-0xd80f at device 4.1 on pci0
>>ata0: at 0x1f0 irq 14 on atapci0
>>ad0: 28629MB <QUANTUM FIREBALLlct20 30> [58168/16/63] at ata0-master UDMA66
>>
>>524288 bytes transferred in 0.025247 secs (20766367 bytes/sec)
>>
>>It's idle (the LED isn't blinking after/before dd and vmstat -i doesn't
>>show any ata0 activity).
>>
>>Even my Intel PIIX4 ATA33 controller with the same disk performs better (a
>>little)...
>>
> 
> Hmm, yes that looks somewhat on the low side...
> Well, two things, the older VIA chips are not the best performers, but
> I still think it should be better than that, I'll run some tests here,
> I might have messed up something...
> Are we talking -current or -stable here ?
> 
> -Søren
> 
I'm also getting around 20MB/sec.


dmesg:
atapci0: <VIA 82C686 ATA100 controller> port 0xd000-0xd00f at device 7.1 
on pci0
ad0: 12416MB <QUANTUM FIREBALL CX13.0A> [25228/16/63] at ata0-master UDMA66

output:
1+0 records in
1+0 records out
524288 bytes transferred in 0.023098 secs (22698423 bytes/sec)
1+0 records in
1+0 records out
524288 bytes transferred in 0.023082 secs (22714249 bytes/sec)
1+0 records in
1+0 records out
524288 bytes transferred in 0.023048 secs (22747732 bytes/sec)
1+0 records in
1+0 records out
524288 bytes transferred in 0.023087 secs (22709206 bytes/sec)
1+0 records in
1+0 records out
524288 bytes transferred in 0.023094 secs (22702407 bytes/sec)



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