Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
Table B - 1
SCHEMATIC
DIAGRAMS
This appendix has circuit diagrams of the P955EP6 notebook’s PCB’s. The following table indicates where to find the
appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 Frame Buffer Partition C_D - Page B - 23 ASM1562 1/3 - Page B - 44 AC_In, Charger - Page B - 65
Processor 1/7 - Page B - 3 GPU Decoupling 1 - Page B - 24 ASM1543 2/3 - Page B - 45 LED Board - Page B - 66
Processor 2/7 - Page B - 4 GPU Decoupling 2 - Page B - 25 ASM1543 3/3 - Page B - 46 Click Board - Page B - 67
Processor 3/7 - Page B - 5 Straps and XTAL - Page B - 26 TPM, TP - Page B - 47 Reader Board - Page B - 68
Processor 4/7 - Page B - 6 IFP I/O Interface - Page B - 27 Connector - Page B - 48 USB Board - Page B - 69
Processor 5/7 - Page B - 7 Misc - GPIO, I2C and ROM - Page B - 28 MFan, LID, LED - Page B - 49 LAN Board - Page B - 70
Processor 6/7 - Page B - 8 GPU NVVDD, FBVDDQ - Page B - 29 M.2 WLAN+BT, PCIE4X SSD - Page B - 50 Power Board - Page B - 71
Processor 7/7 - Page B - 9 GPU GND & Sequence - Page B - 30 M.2 3G/LTE, SIM - Page B - 51 Power Sequence - Page B - 72
DDR4 CHA SO-DIMM_0 - Page B - 10 PCH 1/9 - Page B - 31 5V, 5VS, 3.3V, 3.3VS - Page B - 52 USB Board, Receiver - Page B - 73
DDR4 CHB SO-DIMM_0 - Page B - 11 PCH 2/9 - Page B - 32 VDD3, VDD5 - Page B - 53
Panel, Inverter - Page B - 12 PCH 3/9 - Page B - 33 1V8_RUN/AON, 3.3VA - Page B - 54
Mini DP Port - Page B - 13 PCH 4/9 - Page B - 34 1.8VA/1.05V_XX, NV3V3 - Page B - 55
HDMI Connector - Page B - 14 PCH 5/9 - Page B - 35 PEX_VDD - Page B - 56
VGA PCI Express - Page B - 15 PCH 6/9 - Page B - 36 1.05VA, VCCIO - Page B - 57
GPU Frame Buffer Partition - Page B - 16 PCH 7/9 - Page B - 37 DDR 1.2V, 0.6VS - Page B - 58
Frame Buffer Partition A - Page B - 17 PCH 8/9 - Page B - 38 VCore & VCCGT & VCCSA - Page B - 59
Frame Buffer Partition B - Page B - 18 PCH 9/9 - Page B - 39 VCore Output - Page B - 60
Frame Buffer Partition A_B - Page B - 19 KBC IT8587 - Page B - 40 VCCGT, VCCSA Output - Page B - 61
GPU Frame Buffer Partition - Page B - 20 Backlight KB - Page B - 41 VNVVDD 1 - Page B - 62
Frame Buffer Partition C - Page B - 21 Realtek ALC1220 - Page B - 42 NVVDD 2 - Page B - 63
Frame Buffer Partition D - Page B - 22 Smart AMP ALC1306 - Page B - 43 FBVDDQ - Page B - 64

Version Note
The schematic dia-
grams in this chapter
are based upon version
6-7P-P95E8-002. If your
mainboard (or other
boards) are a later ver-
sion, please check with
the Service Center for
updated diagrams (if re-
quired).