Re: [LAU] Thinkpad R60 for Audio Update - Firewire Conflicts with Audio

Sampo Savolainen wrote:
> On Wed, 2007-04-18 at 11:49 -0700, Ken Dawson wrote:
>> Robin Gareus wrote:
>>
>> [snip]
>>
>>> As for Sound: I rarely use the SD-reader (sdhci:slot0 - BTW. unloading
>>> the module saves power!) so I connect a USB UA-25 to either IRQ22 or
>>> IRQ23. even if it's the only device on that bus I get rare xruns on 64
>>> frames/period. but a robust setup with `jackd -R -P 70 -d alsa -d hw:1
>>> -p 256 -r 48000` makes this Thinkpad a great machine for
>>> stereo/binaural audio work and fun! - (recap: the Dell D820 seems
>>> somewhat better suited for pro-audio, and a Vaio sz3 is similarly good,
>>> but sony&linux requires a little more some devotion..)
>> I'm curious: where did you get information that the Dell D820 is better
>> suited? I'm wondering if there is some info available about the IRQ
>> mapping in the D820 which can help me make a decision whether to get the
>> Dell D820 or a Lenovo T60p.
>
> This is from my D820
>
> v2@email-addr-hidden:~$ cat /proc/interrupts
> CPU0 CPU1
> 0: 15528582 0 IO-APIC-edge timer
> 1: 41503 0 IO-APIC-edge i8042
> 8: 3 0 IO-APIC-edge rtc
> 9: 3 0 IO-APIC-level acpi
> 12: 402591 0 IO-APIC-edge i8042
> 14: 223652 0 IO-APIC-edge libata
> 15: 114216 0 IO-APIC-edge libata
> 50: 139 0 IO-APIC-level ehci_hcd:usb1, uhci_hcd:usb2
> 58: 49353 0 IO-APIC-level uhci_hcd:usb3
> 66: 0 0 IO-APIC-level uhci_hcd:usb4
> 74: 0 0 IO-APIC-level uhci_hcd:usb5
> 82: 1 0 PCI-MSI eth2
> 90: 640094 0 PCI-MSI HDA Intel
> 169: 0 0 IO-APIC-level i915@email-addr-hidden:0000:00:02.0
> 177: 4260189 0 IO-APIC-level ipw3945
> 193: 10 0 IO-APIC-level ohci1394, yenta
> NMI: 0 0
> LOC: 15528366 15528365
> ERR: 0
> MIS: 0
>
>
> Sampo
>

Thanks for this. How do you like your D820 under Linux? I'm especially
interested in how well the graphics, wireless LAN, and ACPI support
work. Oh, and the audio.

/ken

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Received on Thu Apr 19 00:15:03 2007