SMC512AF View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

MFG CO.

SMC512AF

32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

Numonyx -> Micron 

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SMCxxxAF

CF-ATA registers

8.8.6

8.8.7

8.8.8

Bit 2 (HS2)

When operating in the Cylinder, Head, Sector mode, this is bit 2 of the head number. It is bit

26 in the Logical Block Address mode.

Bit 1 (HS1)

When operating in the Cylinder, Head, Sector mode, this is bit 1 of the head number. It is bit

25 in the Logical Block Address mode.

Bit 0 (HS0)

When operating in the Cylinder, Head, Sector mode, this is bit 0 of the head number. It is bit

24 in the Logical Block Address mode.

Table 42. Drive/Head register

D7

D6

D5

D4

D3

D2

D1

D0

1

LBA

1

DRV

HS3

HS2

HS1

HS0

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