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VT8231 데이터시트(PDF) 90 Page - List of Unclassifed Manufacturers

부품명 VT8231
상세설명  SOUTH BRIDGE PC99 COMPLIANT
PDF  132 Pages
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제조업체  ETC [List of Unclassifed Manufacturers]
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VT8231 데이터시트(HTML) 90 Page - List of Unclassifed Manufacturers

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VT8231
Preliminary Revision 0.8 October 29, 1999
-84-
Function 4 Regs - Power Management, SMBus and HWM
7HFKQRORJLHV ,QF
:H &RQQHFW
:H &RQQHFW
Power Management-Specific PCI Configuration Registers
Offset 40 – General Configuration 0 ...............................RW
7
Thermal Alarm Source Select
0
From pin T11 (Function 0 Rx74[1] must be set
to define the pin as THRM#)..................default
1
From any of the three internal temperature
sensing circuits (see Rx43 and Rx44 of
Hardware Monitoring configuration space)
6
Sleep Button
0
Disable ...................................................default
1
Sleep Button is on IRQ6 pin (pin G1)
5
Debounce LID and PWRBTN# Inputs for 200us
0
Disable ...................................................default
1Enable
4
Reserved
........................................ always reads 0
3
Microsoft Sound Monitor in Audio Access
0
Disable ...................................................default
1Enable
2
Game Port Monitor in Audio Access
0
Disable ...................................................default
1Enable
1
SoundBlaster Monitor in Audio Access
0
Disable ...................................................default
1Enable
0
MIDI Monitor in Audio Access
0
Disable ...................................................default
1Enable
Offset 41 - General Configuration 1................................ RW
7
I/O Enable for ACPI I/O Base
0
Disable access to ACPI I/O block.......... default
1
Allow access to Power Management I/O
Register Block (see offset 4B-48 to set the
base address for this register block).
The
definitions of the registers in the Power
Management I/O Register Block are included
later in this document, following the Power
Management Subsystem overview.
6
ACPI Timer Reset
0
Normal Timer Operation ....................... default
1
Reset Timer
5-4
PMU Timer Test Mode (Do Not Program) ....def = 0
3
ACPI Timer Count Select
0
24-bit Timer........................................... default
1
32-bit Timer
2
RTC Enable Signal Gated with PSON (SUSC#) in
Soft-Off Mode
0
Disable................................................... default
1Enable
1
Clock Throttling Clock Selection
0
32 usec (512 usec cycle time) ................ default
1
1 msec (16 msec cycle time)
0
DEVSEL# Test Mode (Do Not Program).......def = 0



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