请各位大虾们帮忙，折腾快疯了好些天了没弄成，我的本本是集成的intel High Definition Audio声卡，alsa驱动也正常安装了。用Redhat的声卡检测提示”没有检测到任何声卡“！但自带扬声器有声音很正常，插上耳机就没声音了，真是奇怪！
我上班时候用linux工作喜欢听些音乐，总不能开着喇叭吧！
本人耳机在WinXP下测试绝对正常，排除硬件故障！
lspci得到声卡:
00:1b.0 Class 0403: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Aud io Controller (rev 04)
其详细信息是：
00:1b.0 Class 0403: Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Aud io Controller (rev 04)
Subsystem: ASUSTeK Computer Inc.: Unknown device 1113
Flags: bus master, fast devsel, latency 0, IRQ 169
Memory at feb38000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
Capabilities: [70] Express Unknown type IRQ 0
Capabilities: [100] Virtual Channel
Capabilities: [130] Unknown (5)
lsmod结果：
snd_hda_intel 19988 4
snd_hda_codec 159152 1 snd_hda_intel
snd_pcm_oss 45224 0
snd_mixer_oss 19200 2 snd_pcm_oss
snd_pcm 84360 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 30212 1 snd_pcm
snd 62656 12 snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timersoundcore 10208 2 snd
snd_page_alloc 10888 2 snd_hda_intel,snd_pcm
/etc/modprobe.conf内容：
alias eth0 8139too
alias usb-controller ehci-hcd
alias usb-controller1 uhci-hcd
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
