Service Manuals, User Guides, Schematic Diagrams or docs for : LENOVO Laptop B460 power up sequence
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G3 G3 --> S5 S5 S0 S3 S0 S4/S5 S4(S5)-->G3 G3
DC_IN DC_IN+
DCBATOUT DCBATOUT
A A
+ECVCC +ECVCC
EC[I] ECRST#
ECRST#
EC[O]ALW_ON T01 (Min. 5 ms)
ALW_ON
+3VALW/+5VALW +3VALW/+5VALW
Power
EC[I]ALW_PWRGD Switch ALW_PWRGD
Press
EC[I]PWRSW#
PWRSW#
T02 T05
(700ms) (50ms)
EC[O]PWRBTN# (From EC to PCH) T04
(150ms) PWRBTN#
T03
(5ms) For battery mode(ACIN_EC inactive):
EC[O]PM_RSMRST# (From EC to PCH) PM_RSMRST# follow ACIN_EC
PCH will wait for 4-5 seconds before de-asserting SLP_S5# & PM_SLP_S5# &PM_SLP_S4#) PM_RSMRST#
Ta (max.110ms)
EC[I]PM_SLP_S5# (From PCH to EC) PM_SLP_S5#
T8 (Min 30us)
B EC[I]PM_SLP_S4# (From PCH to EC) PM_SLP_S4# B
T9 (Min 30us)
EC[I]PM_SLP_S3# (From PCH to EC) PM_SLP_S3#
T06(1ms) T17(1ms)
EC[O]SUS_ON SUS_ON
+3VSUS/+5VSUS +3V_SUS/+5V_SUS
+1_5VSUS/DDRDIMM_VREF (0V to1.5V ->Max.2ms for DDR3) +1_5VSUS/DDRDIMM_VREF(DDR2)
(~0.3ms)Td
EC[I]SUS_PWRGD SUS_PWRGD
T07(1ms)
EC[O]RUN_ON T16 (5ms)
+3VRUN/+5VRUN
T08(5ms)
EC[O]RUN_ON1 T15(2ms)
PEX_VDD/NV_VDD/+1_05VRUN/+1_5VRUN/+1_1V_VTT/+1_8VRUN/+0_75VRUN
T09 (5ms)
(~1.8ms) Te
EC[I]RUN_PWRGD (From +1_1V_VTT VR PGOOD to EC)
C C
VTTPWRGOOD (TO CPU) Repeat Previous Repeat Previous
T16
(Delay Min 99ms)
S0 Sequence S3 Sequence
EC[O]IMVP_VR_ON (From EC to IMVP6) T13(1ms)
VHCORE
CLK_PWRGD T18(From 10 to 100us )
EC[I]IMVP_OK
CLK_CPU_BCLK (From Clock Gen TO CPU)
T24( Min 1ms )
EC[O]IMVP_PWRGD ( Form EC to PCH) T12(1ms)
T20( From 3ms to 20ms )
SYS_PWROK/PWROK/MEPWROK/LAN_RST# T21
( Min 5ms )
D D
BCLK, SRCCLK, PCICLK
Running
T23
T22( Min 100ns ) ( Min 1ms )
PM_DRAM_PWRGD (Form PCH to CPU)
T24 ( Min 1ms )
H_CPUPWRGD (From PCH to CPU) T25 ( From 1ms to 100ms )
( Min 1ms ) T26
PLT_RST# (From PCH to CPU) T32 (Min 1ms)
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