F71869A
6.2.4 IRQ Channel Select Register ⎯ Index 70h
Bit
7-4
3-0
Name
R/W Default
Description
Reserved
-
-
Reserved.
SELFDCIRQ
R/W
06h Select the IRQ channel for FDC.
6.2.5 DMA Channel Select Register ⎯ Index 74h
Bit
7-3
2-0
Name
R/W Default
Description
Reserved
-
-
Reserved.
SELFDCDMA
R/W
010 Select the DMA channel for FDC.
6.2.6 FDD Mode Register ⎯ Index F0h
Bit
7
Name
R/W Default
Description
Write “1” to software power down FDC.
Reserved.
FDC_SW_PD
Reserved
R/W
-
0
-
6-5
Write “1” to this bit will force FDC to write protect. Otherwise, write
protect is controlled by hardware pin WP#.
4
FDC_SW_WP
R/W
0
00: Model 30 mode.
01: PS/2 mode.
3-2
IF_MODE
R/W
11
10: Reserved.
11: AT mode (default).
0: enable burst mode.
1
0
FDMAMODE
EN3MODE
R/W
R/W
1
0
1: non-busrt mode (default).
0: normal floppy mode (default).
1: enhanced 3-mode FDD.
6.2.7 FDD Drive Type Register ⎯ Index F2h
Bit
7-2
1-0
Name
R/W Default
Description
Reserved
FDD_TYPE
-
-
Reserved.
R/W
11
FDD drive type.
6.2.8 FDD Selection Register ⎯ Index F4h
Bit
Name
R/W Default
Description
7-5
Reserved
-
-
Reserved.
65
Oct., 2011
V0.19P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
