diff --git a/release/sysinstall/help/hardware.hlp b/release/sysinstall/help/hardware.hlp
index efd91a108080..fa4159d1eabf 100644
--- a/release/sysinstall/help/hardware.hlp
+++ b/release/sysinstall/help/hardware.hlp
@@ -281,6 +281,7 @@ nic:    Dr Neuhaus NICCY 3008, 3009 & 5000 ISDN cards
 opl:    Yamaha OPL-2 and OPL-3 FM - SB, SB Pro, SB 16, ProAudioSpectrum
 pas:    ProAudioSpectrum PCM and MIDI
 pca:    PCM audio ("/dev/audio") through your PC speaker
+pcm:    PCM audio on most modern ISA audio codecs
 psm:    PS/2 mouse port
 rc:     RISCom/8 multiport card
 sb:     SoundBlaster PCM - SoundBlaster, SB Pro, SB16, ProAudioSpectrum
diff --git a/release/sysinstall/help/relnotes.hlp b/release/sysinstall/help/relnotes.hlp
index de8b6d633635..429e2abb331c 100644
--- a/release/sysinstall/help/relnotes.hlp
+++ b/release/sysinstall/help/relnotes.hlp
@@ -559,7 +559,10 @@ Stallion multiport serial boards: EasyIO, EasyConnection 8/32 & 8/64,
 ONboard 4/16 and Brumby.
 
 Adlib, SoundBlaster, SoundBlaster Pro, ProAudioSpectrum, Gravis UltraSound
-and Roland MPU-401 sound cards.
+and Roland MPU-401 sound cards. (snd driver)
+
+Most ISA audio codecs manufactured by Crystal Semiconductors, OPTi, Creative
+Labs, Avance, Yamaha and ENSONIQ. (pcm driver)
 
 Connectix QuickCam
 Matrox Meteor Video frame grabber