13 Feb
2003
13 Feb
'03
4:55 a.m.
Linux 2.4.19 + lowlatency
Soyo TISU P-III 1.3GHz
Audiophile 2496 using RCA SPDIF
Alsa 0.9.0rc7
i followed the advice on Planet CCRMA.
i can monitor the SPDIF In. It works about 80% of the time. The
other 20% is silence and clicks. This result is in single user
mode on console. i have the card alone on IRQ 9 and nothing
else is sharing IRQ 9 (see attached lspci & dmesg output).
joshua@almost:~$ cat /proc/interrupts
CPU0
0: 20847 XT-PIC timer
1: 143 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 0 XT-PIC usb-uhci
8: 1 XT-PIC rtc
9: 0 XT-PIC ICE1712
11: 384 XT-PIC usb-uhci, eth0
12: 25 XT-PIC PS/2 Mouse
14: 4794 XT-PIC ide0
15: 4 XT-PIC ide1
NMI: 0
ERR: 1
Turning on low-latency doesn't make any difference:
joshua@almost:~$ cat /proc/sys/kernel/lowlatency
1
(i tried the same setup on my SMP motherboard. It doesn't work
at all. 95% of the sound is lost. The Audiophile seems extremely
sensitive to hardware.)
i'm wondering if i have a defective Audiophile card? Any idea?
--
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