82801BA Datasheet, PDF (465/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Figure 16-20. 1.8V/3.3V Power Sequencing
V
3.3
1.8
Voltage
V
V < 2.0V
Time
t
S2
Figure 16-21. G3 (Mechanical Off) to S0 Timings (82801BA ICH2 only)
System
State
Hub interface "CPU
Reset Complete"
message
STPCLK#,
CPUSLP#
Frequency
Straps
PCIRST#
SUS_STAT#
PWROK,
VRMPWRGD
Vcc
SLP_S3#
SLP_S5#
SUSCLK
RSMRST#,
RSM_PWROK
VccSus
G3
G3 S5
T181
T181
T183
T182
T173
S5
S0
S0 state
T184
T185
T186
Strap Values
Normal Operation
T178
T177
T176
Running
ICH2_G3_S0_timing_DT1.vst
82801BA ICH2 and 82801BAM ICH2-M Datasheet
16-25