Měl jsem stejný problém na Teac 540 a Teac W540, pomohlo nastavení na Multi word DMA režim, UDMA pořád vypadávalo.Původně odeslal vivalin
Zkus tohle (ale pozor na tvoje aktuální nastavení primary/secondary)
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0004]
"EnumPropPages32"="storprop.dll,IdePropPageProvide r"
"InfPath"="mshdc.inf"
"InfSection"="atapi_Inst_secondary"
"ProviderName"="Microsoft"
"DriverDateData"=hex:00,80,62,c5,c0,01,c1,01
"DriverDate"="7-1-2001"
"DriverVersion"="5.1.2600.0"
"MatchingDeviceId"="secondary_ide_channel"
"DriverDesc"="Sekundární kanál IDE"
"MasterDeviceType"=dword:00000002
"SlaveDeviceType"=dword:00000002
"MasterDeviceTimingMode"=dword:00002010
"MasterDeviceTimingModeAllowed"=dword:ffffffff
"MasterIdDataCheckSum"=dword:0001848f
"SlaveDeviceTimingMode"=dword:00000410
"SlaveDeviceTimingModeAllowed"=dword:00000410
"SlaveIdDataCheckSum"=dword:0001d560
"UserSlaveDeviceTimingModeAllowed"=dword:fffff fff
"UserMasterDeviceTimingModeAllowed"=dword:ffff ffff