Following are the results that I got from entering various commands
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root@porteus:~# aplay -l | grep card
card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
card 1: Generic [HD-Audio Generic], device 0: ALC3227 Analog [ALC3227 Analog]
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root@porteus:~# lsmod | grep snd
snd_ctl_led 20480 0
snd_hda_codec_realtek 118784 1
snd_hda_codec_generic 61440 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 53248 1
ledtrig_audio 12288 2 snd_ctl_led,snd_hda_codec_generic
snd_hda_intel 32768 0
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_hda_codec 102400 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core 53248 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep 12288 1 snd_hda_codec
snd_pcm 86016 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_timer 28672 1 snd_pcm
led_class 12288 4 snd_hda_codec_generic,input_leds,hp_accel,rtl8xxxu
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root@porteus:~# alsactl init
alsa-lib parser.c:242:(error_node) UCM is not supported for this HDA model (HDA ATI HDMI at 0xf0b40000 irq 40)
alsa-lib main.c:1405:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -6
Found hardware: "HDA-Intel" "ATI R6xx HDMI" "HDA:1002aa01,00aa0100,00100500" "0x103c" "0x2170"
Hardware is initialized using a generic method
alsa-lib parser.c:242:(error_node) UCM is not supported for this HDA model (HD-Audio Generic at 0xf0b44000 irq 41)
alsa-lib main.c:1405:(snd_use_case_mgr_open) error: failed to import hw:1 use case configuration -6
Found hardware: "HDA-Intel" "Realtek ALC3227" "HDA:10ec0282,103c2170,00100003" "0x103c" "0x2170"
Hardware is initialized using a generic method
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root@porteus:~# alsamixer
ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect: Connection refused
cannot open mixer: Connection refused
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root@porteus:~# start-pulseaudio-x11
E: [pulseaudio] main.c: Daemon startup failed.
ALSA error: snd_pcm_open failed: Connection refused.