82801FB Datasheet, PDF (146/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Functional Description
Table 5-20. Configuration Bits Reset by RTCRST# Assertion
Bit Name
Register
Location
Alarm Interrupt Enable
(AIE)
Register B (General
Configuration)
(RTC_REGB)
I/O space (RTC Index + 0Bh)
Alarm Flag (AF)
Register C (Flag
Register) (RTC_REGC)
I/O space (RTC Index + 0Ch)
SWSMI_RATE_SEL
General PM
Configuration 3 Register D31:F0:A4h
GEN_PMCON_3
SLP_S4# Minimum
Assertion Width
General PM
Configuration 3 Register D31:F0:A4h
GEN_PMCON_3
SLP_S4# Assertion
Stretch Enable
General PM
Configuration 3 Register D31:F0:A4h
GEN_PMCON_3
RTC Power Status
(RTC_PWR_STS)
General PM
Configuration 3 Register D31:F0:A4h
GEN_PMCON_3
General PM
Power Failure (PWR_FLR) Configuration 3 Register D31:F0:A4h
(GEN_PMCON_3)
AFTERG3_EN
General PM
Configuration 3 Register D31:F0:A4h
GEN_PMCON_3
Power Button Override
Status (PRBTNOR_STS)
Power Management 1
Status Register
(PM1_STS)
PMBase + 00h
RTC Event Enable
(RTC_EN)
Power Management 1
Enable Register
(PM1_EN)
PMBase + 02h
Sleep Type (SLP_TYP)
Power Management 1
Control (PM1_CNT)
PMBase + 04h
PME_EN
General Purpose Event
0 Enables Register
(GPE0_EN)
PMBase + 2Ch
BATLOW_EN
General Purpose Event
0 Enables Register
(GPE0_EN)
PMBase + 2Ch
RI_EN
General Purpose Event
0 Enables Register
(GPE0_EN)
PMBase + 2Ch
NEWCENTURY_STS
TCO1 Status Register
(TCO1_STS)
TCOBase + 04h
Intruder Detect
(INTRD_DET)
TCO2 Status Register
(TCO2_STS)
TCOBase + 06h
Top Swap (TS)
Backed Up Control
Register (BUC)
Chipset Configuration
Registers:Offset 3414h
PATA Reset State (PRS)
(Mobile Only)
Backed Up Control
Register (BUC)
Chipset Configuration
Registers:Offset 3414h
Bit(s)
5
5
7:6
5:4
3
2
1
0
11
10
12:10
11
10
8
7
0
0
1
Default
State
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
1
146
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet