FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 30

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

DIGITAL INPUT REGISTER (DIR)
Address 3F7 READ ONLY
This register is read-only in all modes.
PC-AT Mode
BIT 0 - 6 UNDEFINED
The data bus outputs D0 - 6 will remain in a
high impedance state during a read of this
register.
RESET
COND.
CHG
DSK
N/A
7
N/A
6
N/A
5
30
N/A
4
BIT 7 DSKCHG
This bit monitors the pin of the same name and
reflects the opposite value seen on the disk
cable or the value programmed in the Force
Disk
Register LD8:CRC1[1:0]).
N/A
3
Change
N/A
2
Register
N/A
1
(see
N/A
0
Configuration