why does my sound card not work?

[Long Wind <longwind2009@gmail.com>]

I install a pci sound card and disable motherboard's sound chip in BIOS
I remember it worked but it doesn't work now
no  matter how hard I try
below are some syslog:
(Thanks!!!)

Dec 29 15:09:34 debian kernel: [    5.391137] Error: Driver 'pcspkr'
is already registered, aborting...
Dec 29 15:09:34 debian kernel: [    5.564947] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    5.591410] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    5.626852] codec write timeout at
0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    5.652723] codec write timeout at
0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.434357] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.460931] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.487637] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.566440] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.593061] es1371: codec read
timeout at 0xb014 [0x40000000]
Dec 29 15:09:34 debian kernel: [    6.593115] AC'97 0 access is not
valid [0x0], removing mixer.
Dec 29 15:09:34 debian kernel: [    6.608060] snd_ens1371: probe of
0000:00:09.0 failed with error -5