08/03/15 03:09:15 ca7zuOtT
これMSのdriver書いてる人？
だとしたら厳格に仕様に従ってるねＭＳは。
URLﾘﾝｸ(www.msfn.org)
>Short Q&A:
>Q: Why the highest sector number for 28-bit LBA is 0xffffffe and not 0xfffffff?
>A: Because the maximum number of sectors is 0xfffffff and they are numbered from 0, not from 1.
>
>Q: Why the 28-bit LBA maximum sector number in ESDI_506.PDR proposed modification is 0xffffe0f and not 0xffffffe?
>A: Because the sector count many be up to 255, and even the last sector shoud fit into 28-bit addressing.