剛剛用Campaq 1077AP測試了一下
BufferSize = 0
該不會是Cahce吧......

Core Service : version 2.3.110 (built on 2003/4/21)
Report Tool : version 2.0.30 (built on 2003/4/21)
WindowsVersion : Windows XP (Build 2600: Service Pack 1)
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ReportDate : 2004/2/27 上午 03:58:31
DrivesSupportsSmart : 1
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DRIVE #0
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Main Parameters
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Capacity : 40.01 GB
GetConfig : 0040h
NumCyls : 16383
NumHeads : 16
BytesPerTrack : 0
BytesPerSector : 0
SectorsPerTrack : 63
VendorUnique : 000000000000h
SerialNumber : 83O68388T
BufferType : 0000h
BufferSize : 0
ECCSize : 46
FirmwareRev : GA224C
ModelNumber : TOSHIBA MK4021GAS
MoreVendorUnique : 8010h
DoubleWordIO : 0000h
Capabilities : 2F00h
PIOTiming : 0200h
DMATiming : 0000h
BS : 0007h
NumCurrentCyls : 16383
NumCurrentHeads : 16
NumCurrentSectorsPerTrack : 63
CurrentSectorCapacity : 16514064
MultSectorStuff : 0110h
TotalAddressableSectors : 78140160
SingleWordDMA : 0007h
MultiWordDMA : 0007h