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@mustis:~$ 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@pci: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
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