dynabook Portege X40L-K Series - System board

Maintenance Manual (960-949) 1-3
Hardware Overview
Figure 1-2 is a block diagram of the system unit.
Figure 1-2 System unit block diagram
■ Microprocessor
The computer is equipped with an Intel
®
Processor.
The PC comes in with one of the following speeds:
PCIe[9]
Main Battery E2PROM
FlexIO Port 06
FlexIO Port 03
USB2.0[10]
Regulator)
EC/KBC
PCIe[11] /SATA[0]
I2C[0]
M.2.(PCIe SSD)
Gigabit Ethernet PHY
USB3.1[2]
FlexIO Port 11
I2C
USB3.1[1]
I2C[1]
AlderLake PCH-LP
SPI[0]
B0.5V
eSPI
SM Link0
USB3.1[4]
FlexIO Port 00
LCD(eDP)
KB
FlexIO Port 09
Internal Microphone
FCBGA 1744 balls
SM Link1
USB2.0[1]
I2C[4]
FlexIO Port 07
FlexIO Port 04
DDI
USB2.0[2]
UART Debug
CNVi
FlexIO Port 10
S3.3V
Tanzanite10 Block Diagram
port B
USB2.0[3]
LPDDR5
DMI x4
FlexIO Port 05
USB2.0[4]
DDI
UART[0]
256Mbit
(USB TYPE-A USB3.1 w/o USB S&C)
FlexIO Port 02
RJ45
FlexIO Port 01
Type-C
USB2.0[5]
PCIe[12] /SATA[1]
Sound CODEC
UART[1]
MC0-Channel0
FDI
USB2.0[6]
B1.05V
PCIe[10]
UART[2]
Processor
USB2.0[7]
AlderLake-P
E1.8V
PCIe[7]
Memory Down
Ext.
FlexIO Port 08
Realtek ALC287M-CG
USB2.0[8]
E3.3V
PCIe[8]
DMIC[A0]
SPI
Mic/Headphone Combo
IMVP9.1 (Voltage
USB2.0[9]
PPV
PDM
DMIC
analog
PCIe[6] PCIe[5]
USB Type-C #1
USB Type-C #2
(USB TYPE-A USB3.1 w/ USB S&C)
WSON
TOUCH PAD
PDC CCG6
port 0
Type-C
port 1
Type-C port 2
Type-C
port 3
PCIe4_A[3:0]
PD Controller
Gigabit Ethernet PHY
VCCAUX VCCGT
CSI
Charger
Tweeter
DMIC B DMIC A
HDA 0
HDA[0]
BB
BB
port A
B1.8V
SD Card Controller
Touch Panel
1st 2nd 3rd 4th
I2C
ISH_I2C[1]/I2C[3] ISH_I2C[2]/I2C[5]
MC0-Channel1
MC0-Channel3
MC0-Channel2
MC1-Channel1
MC1-Channel2
MC1-Channel0
MC1-Channel3
PCIe5[7:0]
PCIe4_B[3:0]
TPM
Bus SW (S&C)
M.2.(WLAN/BT)
Finger Print Sensor
3G/LTE 5G
WLAN
B1.05V
E1.8V
Burnside Bridge
(U15/U28 not support)
HDMI2.0
HDMI2.0 RETIMER IT66318FN/EW
P-sensor
ISH_I2C[0]/I2C[2]
20Pins
SMBUS
JTAG/CFG/USB3
USB3.1[3]
SFF Debug
Ext.
NC
NC
Max Speed:4800MT/s(T3)
NC
Web Camera
DMIC[A1]
I2S
TI TAS5825
Smart AMP
Woofer
4 Speaker
4 Mic