Intel 815 User Manual
Page 150
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Power Delivery
R
150
Intel
®
815 Chipset Platform Design Guide
Figure 75. S0-S5-S0 Transition
DRAM active
DRAM in STR (CKE low)
DRAM active
Clocks valid
Clocks invalid
Clocks valid
t16
t15
t9
t22
t8
t26
t25
t23
t21
t17
t13
t12
t11
t20
t19
t7
t18
t24
Vcc3.3sus
RSMRST#
STPCLK#
Stop grant cycle
CPUSLP#
Go_C3 from ICH
Ack_C3 from GMCH
DRAM
SUS_STAT#
PCIRST#
Cycle 1 from GMCH
Cycle 1 from ICH
Cycle 2 from GMCH
Cycle 2 from ICH
CPURST#
SLP_S3#
SLP_S5#
PWROK
Vcc3.3core
Clocks
Freq straps
Wake event
pwr_S0-S5-S0_trans
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