Sound Configuration

[Andreas Christoforou]

Xrisimopio to Linux Mandrake 7 kai exo kapia provlimata me to rithmisi tou
ixou.i karta ixou
ine i soundblaster 16 se diavlo isa.
i sigkekrimeni karta xrisimopiei 2 kanalia dma (an katalava kala to deftero
einai gia stereo)
Mou simbenoun ta exis:
1.otan sto bios kathoriso oti den exo pnp operating system to bios
ritmizei tin karta sto irq 5 me dma chanels to 1 kai 3.
otan tora xekina to linux (den katalava akoma pos to kanei i pou vriskontai
oi ritmiseis gia ayto )grafei sound configuration started (i kati tetio)
kai ritmizei tin karta sto irq5 me dma chanels to 1 kai 5.
etsi ego exo mono na fortoso to midi module(opl3).
otan omos prospatho na pexo ixo stereo .to dmesg mou anaferei oti to request
gia to dma
5 exei timed out kai akouo mono monofonika (sim:sto /proc/dma grafei oti
ta kanalia 1 kai 5 anikoun ston soundblaster8 kai soundblaster16 antistoixa)
2.otan sto bios kathoriso oti exo pnp operating system tote den ritmizei tin
karta ixou
to bios kai sto simio pou kanei sound configuration(otan kanei boot to
linux)
den grafei tipota.
etsi ritmizo tin karta me to isapnp(ligo prin mbei sto interactive startup)
sto irq 5 me kanalia 1 kai 3.otan tora pao na fortoso
ta modules sb kai midi to midi arneitai na fortosei legontas "device or
resource busy"
akoma sto /proc/dma nou dinei mono to kanali dma 1 kai oxi kai to 3. kai sto
dmesg mou anaferei gia to sb module"bad or missing dma16 chanel"(to sb
module to fortono me "dmabuf=1 gia na mou dosei persistent dma chanels)kai
pali den exo stereo oute midi.
otan ritmiso to isapnp.conf na dosei stin karta to irq5 kai dma chanels 1
kai 5
to /proc/dma anaferei oti mou ta edose alla otan o ixos einai stereo to
dmesg anaferei
oti stin proti periptosi("dma16 request timed out")kai mou dinei monofoniko
ixo.

Etsi exo monofoniko ixo.
Ime sigouros oti mporo na exo stereo giati otan douleva me redhat 5.0 kai
SuSE 6.1
eixa toso stereo kai midi.
Opiadipote idea ,gnomi, otidipote einai evprosdekto.exo dokimasei pollous
sindiasmous irq kai dma alla sinexos exo provlima me to deftero dma
kai to midi.




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