Time to play whack i386/conf/GENERIC with a bat and see what pops out.
Extensive research in the archives indicates that these devices are extinct.
Index: arch/i386/conf/GENERIC
===================================================================
RCS file: /cvs/src/sys/arch/i386/conf/GENERIC,v
retrieving revision 1.817
diff -u -p -r1.817 GENERIC
--- arch/i386/conf/GENERIC 28 Jun 2016 04:41:37 -0000 1.817
+++ arch/i386/conf/GENERIC 31 Aug 2016 10:17:04 -0000
@@ -467,7 +467,6 @@ siop* at pci? # NCR 538XX SCSI control
adv* at pci? # AdvanSys 1200A/B and ULTRA SCSI
adw* at pci? # AdvanSys ULTRA WIDE SCSI
pcscp* at pci? # AMD 53c974 PCscsi-PCI SCSI
-sea0 at isa? disable iomem 0xc8000 irq 5 # Seagate ST0[12] SCSI controllers
trm* at pci? # Tekram DC-3x5U SCSI Controllers
uha0 at isa? port 0x330 # UltraStor [13]4f SCSI controllers
uha1 at isa? disable port 0x334 # UltraStor [13]4f SCSI controllers
@@ -691,18 +690,14 @@ envy* at pci? # VIA Envy24
(aka ICE17
sb0 at isa? port 0x220 irq 5 drq 1 # SoundBlaster
sb* at isapnp?
ess* at isapnp? # ESS Tech ES188[78], ES888
-wss0 at isa? port 0x530 irq 10 drq 0 # Windows Sound System
-wss* at isapnp?
pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis (drq2 is record drq)
gus* at isapnp?
-ym* at isapnp?
mpu* at isapnp?
mpu* at isa? port 0x300 # generic MPU, Yamaha SW60XG
# MIDI support
midi* at sb? # SB MPU401 port
-midi* at ym?
midi* at mpu?
midi* at autri?
midi* at eap?
@@ -715,8 +710,6 @@ audio* at sb?
audio* at gus?
audio* at pas?
audio* at ess?
-audio* at wss?
-audio* at ym?
audio* at eap?
audio* at envy?
audio* at eso?
Index: dev/isa/files.isa
===================================================================
RCS file: /cvs/src/sys/dev/isa/files.isa,v
retrieving revision 1.119
diff -u -p -r1.119 files.isa
--- dev/isa/files.isa 30 Sep 2015 12:15:12 -0000 1.119
+++ dev/isa/files.isa 31 Aug 2016 10:16:27 -0000
@@ -109,11 +109,6 @@ device aha: scsi, isa_dma
attach aha at isa with aha_isa
file dev/isa/aha.c aha needs-flag
-# Seagate ST0[12] ICs
-device sea: scsi
-attach sea at isa
-file dev/isa/seagate.c sea
-
# UltraStor UHA-[13]4f boards
# device declaration in sys/conf/files
attach uha at isa with uha_isa: isa_dma
@@ -247,14 +242,6 @@ file dev/isa/ad1848.c ad1848
# ICS2101 mixer chip support; used by other drivers
define ics2101
file dev/isa/ics2101.c ics2101
-
-
-# Microsoft Windows Sound System
-device wss: audio, isa_dma, ad1848
-file dev/isa/wss.c wss
-
-attach wss at isa with wss_isa
-file dev/isa/wss_isa.c wss & (wss_isa | wss_isapnp)
# ESS Technology ES1887/ES888/ES1888
device ess {} : audio, isa_dma, midibus
Index: dev/isa/files.isapnp
===================================================================
RCS file: /cvs/src/sys/dev/isa/files.isapnp,v
retrieving revision 1.33
diff -u -p -r1.33 files.isapnp
--- dev/isa/files.isapnp 11 May 2015 06:46:21 -0000 1.33
+++ dev/isa/files.isapnp 31 Aug 2016 10:19:15 -0000
@@ -34,8 +34,6 @@ file dev/isa/aic_isapnp.c aic_isapnp
attach sb at isapnp with sb_isapnp
file dev/isa/sb_isapnp.c sb_isapnp
-attach wss at isapnp with wss_isapnp
-file dev/isa/wss_isapnp.c wss_isapnp
attach ess at isapnp with ess_isapnp
file dev/isa/ess_isapnp.c ess_isapnp
attach gus at isapnp with gus_isapnp
@@ -63,8 +61,3 @@ attach we at isapnp with we_isapnp
attach rt at isapnp with rt_isapnp
file dev/isa/rt_isapnp.c rt_isapnp
-# Yamaha OPL3-SA3
-device ym: audio, isa_dma, ad1848, midibus
-attach ym at isapnp with ym_isapnp
-file dev/isa/ym.c ym_isapnp
-file dev/isa/ym_isapnp.c ym_isapnp
