!!################################ !!ALSA Information Script v 0.4.41 !!################################ !!Script ran on: Sat Sep 20 16:19:12 EDT 2008 !!Linux Distribution !!------------------ Fedora release 8 (Werewolf) Fedora release 8 (Werewolf) Fedora release 8 (Werewolf) Fedora release 8 (Werewolf) !!Kernel Information !!------------------ Kernel release: 2.6.26.3-14.fc8 Operating System: GNU/Linux Architecture: i686 Processor: i686 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.16 Library version: Utilities version: 1.0.16 !!Loaded ALSA modules !!------------------- snd_intel8x0 snd_mpu401 !!Soundcards recognised by ALSA !!----------------------------- 0 [ICH6 ]: ICH4 - Intel ICH6 Intel ICH6 with ALC850 at irq 17 1 [UART ]: MPU-401 UART - MPU-401 UART MPU-401 UART at 0x330, irq 5 !!PCI Soundcards installed in the system !!-------------------------------------- 00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 05) 02:01.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01) !!Advanced information - PCI Vendor/Device/Susbsystem ID's !!-------------------------------------------------------- 00:1e.2 0401: 8086:266e (rev 05) Subsystem: a0a0:0544 !!Modprobe options (Sound related) !!-------------------------------- snd-intel8x0: index=0 snd-mpu401: index=1 snd-usb-audio: index=7 !!Loaded sound module options !!-------------------------- !!Module: snd_intel8x0 ac97_clock : 0 ac97_quirk : buggy_irq : N buggy_semaphore : N enable : N id : index : 0 joystick : 0 spdif_aclink : 0 xbox : N !!Module: snd_mpu401 enable : Y,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N id : ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, index : 1,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2 irq : 5,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535 pnp : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y port : 816,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 uart_enter : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y !!AC97 Codec information !!--------------------------- --startcollapse-- 0-0/0: Realtek ALC850 rev 0 PCI Subsys Vendor: 0xa0a0 PCI Subsys Device: 0x0544 Revision : 0x00 Compat. Class : 0x00 Subsys. Vendor ID: 0xa0a0 Subsys. ID : 0x0544 Capabilities : DAC resolution : 16-bit ADC resolution : 16-bit 3D enhancement : No 3D Stereo Enhancement Current setup Mic gain : 0dB [ 0dB] POP path : pre 3D Sim. stereo : off 3D enhancement : off Loudness : off Mono output : MIX Mic select : Mic1 ADC/DAC loopback : off Double rate slots: 7/8 Extended ID : codec=0 rev=2 LDAC SDAC CDAC DSA=0 SPDIF DRA Extended status : SPCV LDAC SDAC CDAC SPDIF=10/11 SPDIF SPDIF Control : Consumer Non-audio Copyright Category=0x2 Generation=1 Rate=48kHz 0:00 = 0000 0:02 = 0404 0:04 = 0000 0:06 = 0004 0:08 = 0000 0:0a = 0000 0:0c = 801f 0:0e = 801f 0:10 = 0404 0:12 = 0404 0:14 = 0000 0:16 = 9f1f 0:18 = 0404 0:1a = 0101 0:1c = 0000 0:1e = 0000 0:20 = 0400 0:22 = 0000 0:24 = 0000 0:26 = 000f 0:28 = 09c6 0:2a = 05f4 0:2c = bb80 0:2e = bb80 0:30 = bb80 0:32 = bb80 0:34 = 0000 0:36 = 0100 0:38 = 0000 0:3a = 2822 0:3c = 0000 0:3e = 0000 0:40 = 0000 0:42 = 0000 0:44 = 0000 0:46 = 0000 0:48 = 0000 0:4a = 0000 0:4c = 0000 0:4e = 0000 0:50 = 0000 0:52 = 0000 0:54 = 0000 0:56 = 0000 0:58 = 0000 0:5a = 0000 0:5c = 0000 0:5e = 0000 0:60 = 0000 0:62 = 0000 0:64 = 0808 0:66 = 0808 0:68 = 0a0a 0:6a = 9000 0:6c = 0000 0:6e = 0017 0:70 = c5a0 0:72 = 00c0 0:74 = 8388 0:76 = 8a90 0:78 = 148c 0:7a = a0d2 0:7c = 414c 0:7e = 4790 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root root 116, 12 2008-09-15 00:01 /dev/snd/controlC0 crw-rw---- 1 root root 116, 4 2008-09-15 00:01 /dev/snd/controlC1 crw-rw---- 1 root root 116, 3 2008-09-15 00:01 /dev/snd/midiC1D0 crw-rw---- 1 root root 116, 11 2008-09-20 16:15 /dev/snd/pcmC0D0c crw-rw---- 1 root root 116, 10 2008-09-20 16:19 /dev/snd/pcmC0D0p crw-rw---- 1 root root 116, 9 2008-09-15 00:01 /dev/snd/pcmC0D1c crw-rw---- 1 root root 116, 8 2008-09-15 00:01 /dev/snd/pcmC0D2c crw-rw---- 1 root root 116, 7 2008-09-15 00:01 /dev/snd/pcmC0D3c crw-rw---- 1 root root 116, 6 2008-09-15 00:01 /dev/snd/pcmC0D4p crw-rw---- 1 root root 116, 5 2008-09-15 00:01 /dev/snd/seq crw-rw---- 1 root root 116, 2 2008-09-15 00:01 /dev/snd/timer !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) #Generated by system-config-soundcard #If you edit this file, don't run system-config-soundcard, #all your changes here could be lost. #SWCONF #DEV 0 defaults.pcm.card 0 defaults.pcm.device 0 defaults.ctl.card 0 !!Aplay/Arecord output !!------------ APLAY **** List of PLAYBACK Hardware Devices **** card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 4: Intel ICH - IEC958 [Intel ICH6 - IEC958] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 1: Intel ICH - MIC ADC [Intel ICH6 - MIC ADC] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 2: Intel ICH - MIC2 ADC [Intel ICH6 - MIC2 ADC] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 3: Intel ICH - ADC2 [Intel ICH6 - ADC2] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ICH6] Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 27 [87%] [-6.00dB] [on] Front Right: Playback 27 [87%] [-6.00dB] [on] Simple mixer control 'Master Mono',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 27 [87%] [-6.00dB] [on] Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 27 [87%] [6.00dB] [on] Front Right: Playback 27 [87%] [6.00dB] [on] Simple mixer control 'Surround',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 31 [100%] [0.00dB] [on] Front Right: Playback 31 [100%] [0.00dB] [on] Simple mixer control 'Surround Jack Mode',0 Capabilities: enum Items: 'Shared' 'Independent' Item0: 'Independent' Simple mixer control 'Center',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 31 [100%] [0.00dB] [on] Simple mixer control 'LFE',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 30 [97%] [-1.50dB] [on] Simple mixer control 'Line',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 27 [87%] [6.00dB] [on] Capture [off] Front Right: Playback 27 [87%] [6.00dB] [on] Capture [off] Simple mixer control 'CD',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 27 [87%] [6.00dB] [on] Capture [on] Front Right: Playback 27 [87%] [6.00dB] [on] Capture [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Mono Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Playback 0 [0%] [-34.50dB] [off] Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mic Boost ( 20dB)',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Mic Front Input',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Mic Select',0 Capabilities: enum Items: 'Mic1' 'Mic2' Item0: 'Mic1' Simple mixer control 'Video',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Phone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Mono Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Playback 0 [0%] [-34.50dB] [off] Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Mono: Playback [on] Capture [off] Simple mixer control 'IEC958 Playback AC97-SPSA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 3 [100%] Simple mixer control 'IEC958 Playback Source',0 Capabilities: enum Items: 'PCM' 'Analog In' 'IEC958 In' Item0: 'Analog In' Simple mixer control 'PC Speaker',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 15 Mono: Playback 15 [100%] [0.00dB] [on] Simple mixer control 'Aux',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 0 [0%] [-34.50dB] [off] Capture [off] Front Right: Playback 0 [0%] [-34.50dB] [off] Capture [off] Simple mixer control 'Mono Output Select',0 Capabilities: enum Items: 'Mix' 'Mic' Item0: 'Mix' Simple mixer control 'Capture',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 15 Front Left: Capture 0 [0%] [0.00dB] [on] Front Right: Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Mix',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mix Mono',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Channel Mode',0 Capabilities: enum Items: '2ch' '4ch' '6ch' '8ch' Item0: '2ch' Simple mixer control 'Duplicate Front',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'External Amplifier',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!-------Mixer controls for card 1 [UART] Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!Alsactl output !!------------- --startcollapse-- state.ICH6 { control.1 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Master Playback Switch' value true } control.2 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Master Playback Volume' value.0 27 value.1 27 } control.3 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Center Playback Switch' value true } control.4 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Center Playback Volume' value 31 } control.5 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'LFE Playback Switch' value true } control.6 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'LFE Playback Volume' value 30 } control.7 { comment.access 'read write' comment.type BOOLEAN comment.count 2 iface MIXER name 'Surround Playback Switch' value.0 true value.1 true } control.8 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Surround Playback Volume' value.0 31 value.1 31 } control.9 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Master Mono Playback Switch' value true } control.10 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Master Mono Playback Volume' value 27 } control.11 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'PC Speaker Playback Switch' value true } control.12 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 15' comment.dbmin -4500 comment.dbmax 0 iface MIXER name 'PC Speaker Playback Volume' value 15 } control.13 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Phone Playback Switch' value false } control.14 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Phone Playback Volume' value 0 } control.15 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Mic Playback Switch' value false } control.16 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Mic Playback Volume' value 0 } control.17 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Mic Boost ( 20dB)' value false } control.18 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Line Playback Switch' value true } control.19 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Line Playback Volume' value.0 27 value.1 27 } control.20 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'CD Playback Switch' value true } control.21 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'CD Playback Volume' value.0 27 value.1 27 } control.22 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Aux Playback Switch' value false } control.23 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Aux Playback Volume' value.0 0 value.1 0 } control.24 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'PCM Playback Switch' value true } control.25 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'PCM Playback Volume' value.0 27 value.1 27 } control.26 { comment.access 'read write' comment.type ENUMERATED comment.count 2 comment.item.0 Mic comment.item.1 CD comment.item.2 Video comment.item.3 Aux comment.item.4 Line comment.item.5 Mix comment.item.6 'Mix Mono' comment.item.7 Phone iface MIXER name 'Capture Source' value.0 CD value.1 CD } control.27 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Capture Switch' value true } control.28 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 15' comment.dbmin 0 comment.dbmax 2250 iface MIXER name 'Capture Volume' value.0 0 value.1 0 } control.29 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Mix comment.item.1 Mic iface MIXER name 'Mono Output Select' value Mix } control.30 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Mic1 comment.item.1 Mic2 iface MIXER name 'Mic Select' value Mic1 } control.31 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' value '0fff000f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.32 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' value cf00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 } control.33 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' value '0682000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.34 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' value true } control.35 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 3' iface MIXER name 'IEC958 Playback AC97-SPSA' value 3 } control.36 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Duplicate Front' value false } control.37 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Mic Front Input Switch' value false } control.38 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Shared comment.item.1 Independent iface MIXER name 'Surround Jack Mode' value Independent } control.39 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 '2ch' comment.item.1 '4ch' comment.item.2 '6ch' comment.item.3 '8ch' iface MIXER name 'Channel Mode' value '2ch' } control.40 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Capture Switch' value false } control.41 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 PCM comment.item.1 'Analog In' comment.item.2 'IEC958 In' iface MIXER name 'IEC958 Playback Source' value 'Analog In' } control.42 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'External Amplifier' value true } } --endcollapse-- !!All Loaded Modules !!------------------ Module ufs nls_utf8 loop nvidia hfsplus rfcomm l2cap bluetooth autofs4 sunrpc cpufreq_ondemand acpi_cpufreq jfs dm_multipath ipv6 tuner_simple tuner_types tda9887 tda8290 wm8775 cx25840 tuner snd_intel8x0 ivtv snd_ac97_codec compat_ioctl32 ac97_bus firewire_ohci firewire_core i2c_algo_bit snd_seq_dummy cx2341x crc_itu_t v4l2_common videodev v4l1_compat tveeprom snd_seq_oss snd_seq_midi_event snd_seq snd_mpu401 r8169 snd_mpu401_uart snd_pcm_oss snd_rawmidi snd_mixer_oss i2c_i801 pcspkr ns558 snd_seq_device parport_pc gameport snd_pcm parport ftdi_sio usbserial iTCO_wdt iTCO_vendor_support joydev i2c_core snd_timer snd soundcore snd_page_alloc sr_mod cdrom floppy sg usb_storage ata_piix libata dm_snapshot dm_zero dm_mirror dm_log dm_mod 3w_xxxx sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd