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-Sound Blaster 16X Vibra addendum
---------------------------------
-by Marius Ilioaea <mariusi@protv.ro>
- Stefan Laudat <stefan@asit.ro>
-
-Sat Mar 6 23:55:27 EET 1999
-
- Hello again,
-
- Playing with a SB Vibra 16x soundcard we found it very difficult
-to setup because the kernel reported a lot of DMA errors and wouldn't
-simply play any sound.
- A good starting point is that the vibra16x chip full-duplex facility
-is neither still exploited by the sb driver found in the linux kernel
-(tried it with a 2.2.2-ac7), nor in the commercial OSS package (it reports
-it as half-duplex soundcard). Oh, I almost forgot, the RedHat sndconfig
-failed detecting it ;)
- So, the big problem still remains, because the sb module wants a
-8-bit and a 16-bit dma, which we could not allocate for vibra... it supports
-only two 8-bit dma channels, the second one will be passed to the module
-as a 16 bit channel, the kernel will yield about that but everything will
-be okay, trust us.
- The only inconvenient you may find is that you will have
-some sound playing jitters if you have HDD dma support enabled - but this
-will happen with almost all soundcards...
-
- A fully working isapnp.conf is just here:
-
-<snip here>
-
-(READPORT 0x0203)
-(ISOLATE PRESERVE)
-(IDENTIFY *)
-(VERBOSITY 2)
-(CONFLICT (IO FATAL)(IRQ FATAL)(DMA FATAL)(MEM FATAL)) # or WARNING
-# SB 16 and OPL3 devices
-(CONFIGURE CTL00f0/-1 (LD 0
-(INT 0 (IRQ 5 (MODE +E)))
-(DMA 0 (CHANNEL 1))
-(DMA 1 (CHANNEL 3))
-(IO 0 (SIZE 16) (BASE 0x0220))
-(IO 2 (SIZE 4) (BASE 0x0388))
-(NAME "CTL00f0/-1[0]{Audio }")
-(ACT Y)
-))
-
-# Joystick device - only if you need it :-/
-
-(CONFIGURE CTL00f0/-1 (LD 1
-(IO 0 (SIZE 1) (BASE 0x0200))
-(NAME "CTL00f0/-1[1]{Game }")
-(ACT Y)
-))
-(WAITFORKEY)
-
-<end of snipping>
-
- So, after a good kernel modules compilation and a 'depmod -a kernel_ver'
-you may want to:
-
-modprobe sb io=0x220 irq=5 dma=1 dma16=3
-
- Or, take the hard way:
-
-modprobe soundcore
-modprobe sound
-modprobe uart401
-modprobe sb io=0x220 irq=5 dma=1 dma16=3
-# do you need MIDI?
-modprobe opl3=0x388
-
- Just in case, the kernel sound support should be:
-
-CONFIG_SOUND=m
-CONFIG_SOUND_OSS=m
-CONFIG_SOUND_SB=m
-
- Enjoy your new noisy Linux box! ;)
-
-