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B - 40 Power Sequence Diagram
B.Schematic Diagrams
Power Sequence Diagram
14
13
CL_PWROK
6
3.3VM
DD_ON
SLP_M#
DRAM VR
10
7
MULTI I/O BOARD
CL_PWROK
9
5VS
6
FOR ME
ICS9LPR363EGLF
Other
1
SC472B
Other
VR
PCI
9
Platform
1.5VS_PWRGD
4a
Processor
SC411
5b
2
150 ms
6
5b
15
12
8
DELAY
PLT_RST#
1.5VS
FOR ME
6
3
SC486
12-1
3.3VS
DD_ON
3
MOSFET
1.05VS
CLKEN#
H_PWRGD
Penryn
4b
6
PWR_SW#
Clock Generator
1.05VM
Cantiga
DELAY_PWRGD
DELAY
Devices
5b
CLK_PWRGD
3
CL_PWROK
PM_RSMRST#
CL_PWROK
GFX VR
NORTH BRIDGE
13
6
PCI_RST#
VGFX_CORE
PWR_BTN#
GFX_VREN
LTC3850
ITE8512E
5V
5a
DELAY_PWRGD
APL5913
SUSC#
11
MOSFET
EC
VRM_PWRGD
1.8V
17
1.8V_PWRGD
SB_PWROK
VCORE_ON
1.05VM_PWRGD
16
0.9VSM
3.3V
9
SC452
SOUTH BRIDGE
Devices
VCORE
M720T V0.0 BOOT BLOCK DIAGRAM
VDD3/VDD5
75 ms
9
H_CPURST#
ICH9-M
??????
SUSB#
VCORE VR
SUSB#
16
6
CL_PWROK
Sheet 39 of 40
Power Sequence
Diagram