F71862
8.2FDC Registers (CR00)
8.2.1
FDC Device Enable Register Index 30h
Bit Name R/W Default
FDC Configuration Registers
Description
7-1 Reserved
FDC_EN
-
-
Reserved
0
R/W
1
0: disable FDC.
1: enable FDC.
Base Address High Register Index 60h
Bit Name R/W Default
Description
Description
Description
7-0 BASE_ADDR_HI
R/W
03h The MSB of FDC base address.
Base Address Low Register Index 61h
Bit Name R/W Default
7-0 BASE_ADDR_LO
R/W
F0h The LSB of FDC base address.
IRQ Channel Select Register Index 70h
Bit Name R/W Default
7-4 Reserved
-
-
Reserved.
3-0 SELFDCIRQ
R/W
06h Select the IRQ channel for FDC.
DMA Channel Select Register Index 74h
Bit Name R/W Default
Description
Description
7-3 Reserved
-
-
Reserved.
2-0 SELFDCDMA
R/W
010 Select the DMA channel for FDC.
FDD Mode Register Index F0h
Bit Name R/W Default
7-4 Reserved
3-2 IF_MODE
-
-
Reserved.
R/W
11
00: Model 30 mode.
01: PS/2 mode.
10: Reserved.
11: AT mode (default).
1
0
FDMAMODE
EN3MODE
R/W
R/W
1
0
0: enable burst mode.
1: non-busrt mode (default).
0: normal floppy mode (default).
1: enhanced 3-mode FDD.
FDD Drive Type Register Index F2h
Bit Name R/W Default
Description
7-2 Reserved
-
-
Reserved.
77
July, 2008
V.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
