EP80579 Datasheet, PDF (286/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 10-17. Fixed I/O Ranges Decoded by IICH (Sheet 3 of 3)
I/O Address
Read Target
Write Target
Internal Unit
1F0h – 1F7h
SATA
SATA
SATA
200 – 207h
Gameport Low
Gameport Low
Forwarded to LPC
208 – 20Fh
Gameport High
Gameport High
Forwarded to LPC
376h
SATA
SATA
SATA
3F6h
SATA
SATA
SATA
4D0h – 4D1h
Interrupt Controller
Interrupt Controller
Interrupt
CF9h
Reset Generator
Reset Generator
IA-32 core Interface
Notes:
1.
Only if the Port 61 Alias Enable bit (GCS.P61AE) bit is set. Otherwise, the target is dropped.
2.
Separate
Enable/
Disable
Yes
Yes
Yes
Yes
Yes
None
None
10.7.1.2
Variable I/O Decode Ranges
Table 10-18 shows the Variable I/O Decode Ranges. They are set using Base Address
Registers (BARs) or other configuration bits in the various configuration spaces. The
PnP software (PCI or ACPI) can use their configuration mechanisms to set and adjust
these values.
Warning:
The Variable I/O Ranges must not be set to conflict with the Fixed I/O Ranges. If the
configuration software allows conflicts to occur, it may produce unpredictable results.
There are no checks for conflicts.
Table 10-18. Variable I/O Decode Ranges
Range Name
Mappable
Size (Bytes)
Target
ACPI
Anywhere in 64K I/O Space
64
Power Management
Anywhere in 64K I/O Space
USB #1
32
(See Note 1)
USB1 Host Controller 1
SMBus
Anywhere in 64K I/O Space
32
SMB Unit
TCO
96 bytes above ACPI base
32
TCO Unit
GPIO
Anywhere in 64K I/O space
64
Parallel Port
3 ranges in 64K I/O Space
8²
GPIO Unit
LPC Peripheral
Serial Port 1
8 Ranges in 64K I/O Space
8
LPC Peripheral
Serial Port 2
8 Ranges in 64K I/O Space
8
LPC Peripheral
Floppy Disk Controller
2 Ranges in 64K I/O Space
8
LPC Peripheral
LPC Generic 1
Anywhere in 64K I/O Space
128
LPC Peripheral
LPC Generic 2
Anywhere in 64K I/O Space
16
LPC Peripheral
I/O Trapping Ranges
Anywhere in 64K I/O Space
1 to 256 Bytes
Trap on Internal I/O Data Bus
Notes:
1.
These ranges are decoded directly.
2.
There is also an alias 400h above the parallel port range that is used for ECP parallel ports.
Intel^® EP80579 Integrated Processor Product Line Datasheet
286
August 2009
Order Number: 320066-003US