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

[Ken Dawson]

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 at 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 at 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
> 

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