[gost2]

В 0000 этих параметров вообще нет. Есть 0001:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0000]
"MasterOnMask"=dword:00000080
"MasterOnConfigOffset"=dword:00000041
"SlaveOnMask"=dword:00000080
"SlaveOnConfigOffset"=dword:00000043
"InfPath"="mshdc.inf"
"InfSection"="intelide_Inst"
"ProviderName"="Microsoft"
"DriverDateData"=hex:00,80,62,c5,c0,01,c1,01
"DriverDate"="7-1-2001"
"DriverVersion"="5.1.2600.2180"
"MatchingDeviceId"="pci\\ven_8086&dev_244b"
"DriverDesc"="Intel(R) 82801BA Ultra ATA Storage контроллер - 244B"
"EnableUDMA66"=dword:00000000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0001]
"EnumPropPages32"="storprop.dll,IdePropPageProvider"
"InfPath"="mshdc.inf"
"InfSection"="atapi_Inst_secondary"
"ProviderName"="Microsoft"
"DriverDateData"=hex:00,80,62,c5,c0,01,c1,01
"DriverDate"="7-1-2001"
"DriverVersion"="5.1.2600.2180"
"MatchingDeviceId"="secondary_ide_channel"
"DriverDesc"="Вторичный канал IDE"
"MasterDeviceType"=dword:00000001
"SlaveDeviceType"=dword:00000000
"MasterDeviceTimingMode"=dword:00008010
"MasterDeviceTimingModeAllowed"=dword:ffffffff
"MasterIdDataCheckSum"=dword:00014e4f
"SlaveDeviceTimingMode"=dword:00000000
"SlaveDeviceTimingModeAllowed"=dword:ffffffff
"SlaveIdDataCheckSum"=dword:0001ede6
"SlaveDeviceDetectionTimeout"=dword:00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0002]
"EnumPropPages32"="storprop.dll,IdePropPageProvider"
"InfPath"="mshdc.inf"
"InfSection"="atapi_Inst_primary"
"ProviderName"="Microsoft"
"DriverDateData"=hex:00,80,62,c5,c0,01,c1,01
"DriverDate"="7-1-2001"
"DriverVersion"="5.1.2600.2180"
"MatchingDeviceId"="primary_ide_channel"
"DriverDesc"="Первичный канал IDE"
"MasterDeviceType"=dword:00000002
"SlaveDeviceType"=dword:00000000
"SlaveDeviceDetectionTimeout"=dword:00000001
"MasterDeviceTimingMode"=dword:00008010
"MasterDeviceTimingModeAllowed"=dword:ffffffff
"MasterIdDataCheckSum"=dword:00019a1d
"SlaveDeviceTimingMode"=dword:00000000
"SlaveDeviceTimingModeAllowed"=dword:ffffffff
"SlaveIdDataCheckSum"=dword:0001ede6

MasterDeviceTimingModeAllowed в 0001 и 0002 разрешены.

MasterDeviceTimingMode
0001 - 8010
0002 - 8010
Получается что HD и DVD на 66?