NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 248
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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Register and Memory Mapping
6.3.2
248
Warning:
Table 6-3. Variable I/O Decode Ranges
Variable I/O Decode Ranges
Table 6-3
(BARs) or other configuration bits in the various PCI configuration spaces. The PNP software (PCI
or ACPI) can use their configuration mechanisms to set and adjust these values.
When a cycle is detected on the hub interface, the ICH4 will positively decode the cycle. If the
response is on the behalf of an LPC device, ICH4 will forward the cycle to the LPC I/F.
Refer to
The Variable I/O Ranges should not be set to conflict with the Fixed I/O Ranges. Unpredictable
results if the configuration software allows conflicts to occur. The ICH4 does not perform any
checks for conflicts.
ACPI
IDE Bus Master
USB UHCI Controller #1
SMBus
AC ’97 Audio Mixer
AC ’97 Bus Master
AC ’97 Modem Mixer
TCO
GPIO
Parallel Port
Serial Port 1
Serial Port 2
Floppy Disk Controller
MIDI
MSS
SoundBlaster
LAN
USB UHCI Controller #2
USB UHCI Controller #3
LPC Generic 1
LPC Generic 2
Monitors 4:7
Native IDE Primary
Command
Native IDE Primary Control
Native IDE Secondary
Command
Native IDE Secondary
Control
Range Name
Table A-3
shows the Variable I/O Decode Ranges. They are set using Base Address Registers
for a complete list of all variable I/O registers.
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
Anywhere in 64-KB I/O Space
8 Ranges in 64-KB I/O Space
8 Ranges in 64-KB I/O Space
2 Ranges in 64-KB I/O Space
4 Ranges in 64-KB I/O Space
4 Ranges in 64-KB I/O Space
2 Ranges in 64-KB I/O Space
3 ranges in 64-KB I/O Space
96 Bytes above ACPI Base
Mappable
Size (Bytes)
256
256
128
64
16
32
32
64
32
64
32
64
32
32
16
16
8
8
8
8
2
8
8
4
8
4
Intel
LPC Peripheral or Trap on PCI
®
82801DB ICH4 Datasheet
Power Management
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
LPC Peripheral
USB Unit 1
AC ’97 Unit
AC ’97 Unit
AC ’97 Unit
USB Unit 2
USB Unit 3
GPIO Unit
SMB Unit
TCO Unit
LAN Unit
IDE Unit
IDE Unit
IDE Unit
IDE Unit
IDE Unit
Target
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