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Appendix B: Schematic Diagrams
This appendix has circuit diagrams of the P955ET1 / P955ET3 notebook's PCB's. The following table indicates where
to find the appropriate schematic diagram.
Diagram - Page
System Block Diagram - Page B - 2
Frame Buffer Partition C_D - Page B - 23
Processor 1/7 - Page B - 3
GPU Decoupling 1 - Page B - 24
Processor 2/7 - Page B - 4
GPU Decoupling 2 - Page B - 25
Processor 3/7 - Page B - 5
Straps and XTAL - Page B - 26
Processor 4/7 - Page B - 6
IFP I/O Interface - Page B - 27
Processor 5/7 - Page B - 7
Misc - GPIO, I2C and ROM - Page B - 28
Processor 6/7 - Page B - 8
GPU NVVDD, FBVDDQ - Page B - 29
Processor 7/7 - Page B - 9
GPU GND & Sequence - Page B - 30
DDR4 CHA SO-DIMM_0 - Page B - 10
PCH 1/9 - Page B - 31
DDR4 CHB SO-DIMM_0 - Page B - 11
PCH 2/9 - Page B - 32
Panel, Inverter - Page B - 12
PCH 3/9 - Page B - 33
Mini DP Port - Page B - 13
PCH 4/9 - Page B - 34
HDMI Connector - Page B - 14
PCH 5/9 - Page B - 35
VGA PCI Express - Page B - 15
PCH 6/9 - Page B - 36
GPU Frame Buffer Partition - Page B - 16
PCH 7/9 - Page B - 37
Frame Buffer Partition A - Page B - 17
PCH 8/9 - Page B - 38
Frame Buffer Partition B - Page B - 18
PCH 9/9 - Page B - 39
Frame Buffer Partition A_B - Page B - 19
KBC IT8587 - Page B - 40
GPU Frame Buffer Partition - Page B - 20
Backlight KB - Page B - 41
Frame Buffer Partition C - Page B - 21
Realtek ALC1220 - Page B - 42
Frame Buffer Partition D - Page B - 22
Smart AMP ALC1306 - Page B - 43
Diagram - Page
Diagram - Page
ASM1562 1/3 - Page B - 44
ASM1543 2/3 - Page B - 45
ASM1543 3/3 - Page B - 46
TPM, TP - Page B - 47
Connector - Page B - 48
MFan, LID, LED - Page B - 49
M.2 WLAN+BT, PCIE4X SSD - Page B - 50
M.2 3G/LTE, SIM - Page B - 51
5V, 5VS, 3.3V, 3.3VS - Page B - 52
VDD3, VDD5 - Page B - 53
1V8_RUN/AON, 3.3VA - Page B - 54
1.8VA/1.05V_XX, NV3V3 - Page B - 55
PEX_VDD - Page B - 56
1.05VA, VCCIO - Page B - 57
DDR 1.2V, 0.6VS - Page B - 58
VCore & VCCGT & VCCSA - Page B - 59
VCore Output - Page B - 60
VCCGT, VCCSA Output - Page B - 61
VNVVDD 1 - Page B - 62
NVVDD 2 - Page B - 63
FBVDDQ - Page B - 64
Schematic Diagrams
Diagram - Page
AC_In, Charger - Page B - 65
LED Board - Page B - 66
Click Board - Page B - 67
Reader Board - Page B - 68
USB Board - Page B - 69
LAN Board - Page B - 70
Power Board - Page B - 71
Power Sequence - Page B - 72
USB Board, Receiver - Page B - 73
The
grams in this chapter
are based upon version
6-7P-P95E8-002. If your
mainboard
boards) are a later ver-
sion, please check with
the Service Center for
updated diagrams (if re-
quired).
Table B - 1
SCHEMATIC
DIAGRAMS
Version Note
schematic
dia-
(or
other
B - 1
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