FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 175

• Manufacturer Part Number: FDC37B72X_07
• Description: 128 Pin Enhanced Super I/O Controller with ACPI Support
• Manufacturer: SMSC [SMSC Corporation]

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
Bits[7:6] Reserved (could be used to store Floppy
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)
176
Drive C type)
Drive D type)
Note: The FDC37B72x supports
two floppy drives
DEFINITION
STATE
C
C
C
C