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

From: Ken Dawson <dawsonwu@email-addr-hidden>
Date: Wed Apr 18 2007 - 21:49:36 EEST

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.

Thanks,

/ken

>
> thinkpad x60s:
>
> CPU0 CPU1
> 0: 352029528 0 IO-APIC-edge timer
> 1: 1251013 0 IO-APIC-edge i8042
> 8: 0 0 IO-APIC-edge rtc
> 9: 65043220 0 IO-APIC-fasteoi acpi
> 12: 10126775 0 IO-APIC-edge i8042
> 20: 35583442 20485440 IO-APIC-fasteoi yenta,
> i915@email-addr-hidden:0000:00:02.0, uhci_hcd:usb1
> 21: 200293604 250337407 IO-APIC-fasteoi ohci1394, ipw3945, HDA
> Intel, uhci_hcd:usb2
> 22: 65491123 0 IO-APIC-fasteoi sdhci:slot0, uhci_hcd:usb3
> 23: 745166 1065462 IO-APIC-fasteoi ehci_hcd:usb5, uhci_hcd:usb4
> 218: 1670650 179 PCI-MSI-edge eth1
> 219: 810037 3174745 PCI-MSI-edge libata
> NMI: 0 0
> LOC: 107326912 241228138
> ERR: 0
> MIS: 0
> _______________________________________________
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> Linux-audio-user@email-addr-hidden
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
>
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Received on Thu Apr 19 00:15:01 2007

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