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@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
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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