HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0002
MasterDeviceTimingMode 変更DW 0x2010->0x10010
DMA100モードに変更
0x2010 … DMA33
0x8010 … DMA66
0x10010 … DMA100
MasterDeviceTimingModeAllowed 変更DW 0xffffffff