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	Tue, 26 Apr 2005 23:39:33 PDT
Date: Tue, 26 Apr 2005 23:39:33 -0700 (PDT)
From: Rob <spamrefuse@yahoo.com>
To: jason henson <jason@ec.rr.com>
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cc: freebsd-questions@freebsd.org
Subject: Re: What is ata2 ?
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--- jason henson <jason@ec.rr.com> wrote:
> Rob wrote:
> 
> >Joel wrote:
> >  
> >
> >>On Tue, 26 Apr 2005 18:44:18 -0700 (PDT)
> >>Rob <spamrefuse@yahoo.com> wrote
> >>    
> >>
> >>>I'm running FreeBSD on a range of PCs, from
> >>>Pentium-1 (60 MHz) to Pentium-4 (2.60GHz), though
> >>>none but one has a 'ata2' line in the dmesg
> >>>output:
> >>>
> >>>ata0: channel #0 on atapci0
> >>>ata1: channel #1 on atapci0
> >>>...
> >>>ata2: <Generic ESDI/IDE/ATA controller> at port
> >>>      0x36e-0x36f,0x168-0x16f irq 10 on isa0
> >>>ad0: 6149MB <QUANTUM FIREBALL EX6.4A/A0A.0D00>
> >>>     [13328/15/63] at ata0-master UDMA33
> >>>ad1: 4892MB <QUANTUM FIREBALL EL5.1A/A08.1100>
> >>>     [10602/15/63] at ata0-slave UDMA33
> >>>acd0: CDROM <GCR-8521B/1.02> at ata1-master PIO4
> >>>
> >>>What is so special about this particular PC, that
> >>>it has an ata2, unlike all other PCs I have?
> >>>
> >>>Can I add more than 4 disks (2 masters + 2
> >>>slaves)
> >>>to this PC? Or is this ata2 for something else?
>
> You have more than 2 controllers.  A whole dmesg
> would help, or just tell us your make/model of
> your motherboard.

Don't know the details of my motherboard.
Whole dmesg output is here:
 http://surfion.snu.ac.kr/~lahaye/dmesg.boot

> BTW, vmstat -ia might be usefull, most likely not.

interrupt                          total       rate
???                                    0          0
irq0: clk                       11778458        100
stray irq0                             0          0
irq1: atkbd0                           1          0
stray irq1                             0          0
irq3: sio1                           258          0
stray irq3                             0          0
irq4: sio0                             5          0
stray irq4                             0          0
irq5:                                  0          0
stray irq5                             0          0
irq6:                                  0          0
stray irq6                             0          0
irq7:                                  0          0
stray irq7                             0          0
irq8: rtc                       15075329        128
stray irq8                             0          0
irq9:                                  0          0
stray irq9                             0          0
irq10: ata2                            0          0
stray irq10                            0          0
irq11: rl0 uhci0                  211528          1
stray irq11                            0          0
irq12:                                 0          0
stray irq12                            0          0
irq13: npx0                            1          0
stray irq13                            0          0
irq14: ata0                       495290          4
stray irq14                            0          0
irq15: ata1                           46          0
stray irq15                            0          0
Total                           27560916        234

Does that tell more about the ata2 controller on
this PC?

Thanks,
Rob.

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