FDC37M600 SMSC [SMSC Corporation], FDC37M600 Datasheet - Page 22

• Manufacturer Part Number: FDC37M600
• Description: ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT
• Manufacturer: SMSC [SMSC Corporation]

Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format
Note 1: The DRATE and DENSEL values are mapped onto the DRVDEN pins.
DRT1
DRIVE RATE
DT1
0
0
0
0
0
0
0
0
1
1
1
1
0
1
0
1
01 = 3-Mode Drive
10 = 2 Meg Tape
DRT0
DT0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
SEL1
DATA RATE
DRVDEN1 (1)
1
0
0
1
1
0
0
1
1
0
0
1
DRATE0
DRATE0
DRATE0
DRATE1
Table 12 - DRVDEN Mapping
SEL0
1
0
1
0
1
0
1
0
1
0
1
0
Table 11 - Data Rates
1Meg
1Meg
1Meg
2Meg
MFM
500
300
250
500
500
250
500
250
DATA RATE
22
DRVDEN0 (1)
nDENSEL
DENSEL
DRATE1
DRATE0
250
150
125
250
250
125
250
125
FM
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DENSEL
4/2/1 MB 3.5"
2/1 MB 5.25" FDDS
2/1.6/1 MB 3.5" (3-
MODE)
PS/2
1
1
0
0
1
1
0
0
1
1
0
0
DRIVE TYPE
DRATE(1)
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0