uname -a
Linux pbx 2.4.26

lsmod
Module                  Size  Used by    Not tainted
3c59x                  25648   1
es1370                 24716   1
gameport                1420   0  [es1370]
soundcore               3396   4  [es1370]
agpgart                43940   0  (unused)


modprobe snd-ens1370
/lib/modules/2.4.26/kernel/sound/pci/snd-ens1370.o.gz: init_module: No such device
/lib/modules/2.4.26/kernel/sound/pci/snd-ens1370.o.gz: Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters.
      You may find more information in syslog or the output from dmesg
/lib/modules/2.4.26/kernel/sound/pci/snd-ens1370.o.gz: insmod /lib/modules/2.4.26/kernel/sound/pci/snd-ens1370.o.gz failed
/lib/modules/2.4.26/kernel/sound/pci/snd-ens1370.o.gz: insmod snd-ens1370 failed


root@pbx:/etc/rc.d# cat /etc/modules.conf

# --- BEGIN: Generated by ALSACONF, do not edit. ---
# --- ALSACONF verion 1.0.5 ---
alias char-major-116 snd
alias char-major-14 soundcore
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
alias snd-card-0 snd-ens1370
alias sound-slot-0 snd-ens1370
# --- END: Generated by ALSACONF, do not edit. ---


lspci 

Bus  0, device   9, function  0:
    Multimedia audio controller: Ensoniq ES1370 [AudioPCI] (rev 0).
      IRQ 5.
      Master Capable.  Latency=64.  Min Gnt=12.Max Lat=128.
      I/O at 0xb000 [0xb03f].