FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 188
FDC37B78X
Manufacturer Part Number
FDC37B78X
Description
Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
Manufacturer
SMSC Corporation
Datasheet
1.FDC37B78X.pdf
(258 pages)
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FDD Type
Register
Default = 0xFF
on Vcc POR
or Reset_Drv
FDD0
Default = 0x00
on Vcc POR
or Reset_Drv
FDD1
NAME
REG INDEX
0xF2 R/W
0xF4 R/W
0xF5 R/W
0xF3 R
Bits[1:0] Floppy Drive A Type
Bits[3:2] Floppy Drive B Type
Bits[5:4] Reserved (could be used to store Floppy Drive
C type)
Bits[7:6] Reserved (could be used to store Floppy Drive
D type)
Note: The FDC37B78x supports two floppy drives
Reserved, Read as 0 (read only)
Bits[1:0] Drive Type Select: DT1, DT0
Bits[2]
Bits[4:3] Data Rate Table Select: DRT1, DRT0
Bits[5]
Bits[6]
Bits[7]
Refer to definition and default for 0xF4
=0 Use Precompensation
=1 No Precompensation
Read as 0 (read only)
Read as 0 (read only)
Precompensation Disable PTS
Read as 0 (read only)
188
DEFINITION
STATE
C
C
C
C
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