Lenovo ThinkPad T490 Hardware Maintenance Manual

About this manual
This manual contains service and reference information for the following ThinkPad
®
product:
ThinkPad T490
Machine types (MT) 20N2, 20N3, 20Q9, 20QH, 20RX and 20RY
ThinkPad P43s
Machine types (MT) 20RH and 20RJ
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important:
This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use
this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety
information” on page 1 and Chapter 2 “Important service information” on page 21.
© Copyright Lenovo 2020 iii

Lenovo ThinkPad T490 Specifications

General

Form factor	Clamshell
Product type	Ultrabook
Product color	Black
Market positioning	Business
LED backlight	Yes
Display diagonal	14 \
Bus type	OPI
Tjunction	100 °C
Processor cache	6 MB
Processor cores	4
Processor model	i5-8265U
System bus rate	4 GT/s
Processor family	Intel® Core™ i5
Processor socket	BGA 1528
Processor threads	8
Processor codename	Whiskey Lake
Configurable TDP-up	25 W
Processor frequency	1.6 GHz
Processor cache type	Smart Cache
Configurable TDP-down	10 W
Processor lithography	14 nm
Processor manufacturer	Intel
PCI Express slots version	3.0
Processor boost frequency	3.9 GHz
Processor operating modes	64-bit
PCI Express configurations	1x4, 2x2
Thermal Design Power (TDP)	15 W
Configurable TDP-up frequency	1.8 GHz
Configurable TDP-down frequency	0.8 GHz
Maximum number of PCI Express lanes	16
Internal memory	8 GB
Memory clock speed	2400 MHz
Internal memory type	DDR4-SDRAM
Maximum internal memory	- GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
SSD interface	SATA III
Storage media	SSD
Total storage capacity	256 GB
Compatible memory cards	MicroSD (TransFlash)
Number of SSDs installed	1
On-board graphics card ID	0x3EA0
Discrete graphics card model	Not available
On-board graphics card family	Intel® UHD Graphics
Maximum on-board graphics card memory	32 GB
On-board graphics card OpenGL version	4.5
On-board graphics card base frequency	300 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1100 MHz
Number of built-in speakers	2
Antenna type	-
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
Ethernet LAN data rates	100, 1000 Mbit/s
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Keyboard layout	QWERTY
Pointing device	Touchpad
Number of battery cells	3
AC adapter power	65 W
Processor ARK ID	149088
Processor package size	46x24 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Identity Protection Technology version	1.00
Intel Stable Image Platform Program (SIPP) version	0.00

Weight and Dimensions

Depth	227 mm
Width	329 mm
Height	17.9 mm
Weight	1460 g