FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 14
FDC37B72X_07
Manufacturer Part Number
FDC37B72X_07
Description
128 Pin Enhanced Super I/O Controller with ACPI Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B72X_07.pdf
(238 pages)
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SUPER I/O REGISTERS
The address map, shown below in Table 1, shows
the addresses of the different blocks of the Super
I/O immediately after power up.
addresses of the FDC, serial and parallel ports can
be moved via the configuration registers. Some
addresses are used to access more than one
register.
Note 1: Refer to the configuration register descriptions for setting the base address
Base+(0-5) and +(7)
Base+(0-3)
Base+(0-7)
Base+(0-3), +(400-402)
Base+(0-7), +(400-402)
Base+(0-7)
Base+(0-7)
60, 64
Base + (0-17h)
Base + (0-1)
ADDRESS
TABLE 4 - SUPER I/O BLOCK ADDRESSES
FUNCTIONAL DESCRIPTION
The base
Floppy Disk
Parallel Port
SPP
EPP
ECP
ECP+EPP+SPP
Serial Port Com 1
Serial Port Com 2
KYBD
ACPI, PME, SMI
Configuration
BLOCK NAME
14
HOST PROCESSOR INTERFACE
The host processor communicates with the
FDC37B72x through a series of read/write
registers. The port addresses for these registers
are shown in Table 1.
accomplished through programmed I/O or DMA
transfers. All registers are 8 bits wide. All host
interface output buffers are capable of sinking a
minimum of 12 mA.
LOGICAL
DEVICE
A
0
3
4
5
7
IR Support
NOTES
Register access is
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