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dynabook PORTEGE X40-J Series User Manual

dynabook PORTEGE X40-J Series
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Always use the USB cable that was included with your USB device.
Function under Battery Mode
This option can be used to enable/disable Power Off and Charge under
battery mode. It also displays the remaining battery capacity.
Move the slider to enable or disable this function.
Enabled Enables Power Off and Charge function under
battery mode.
Disabled Enables Power Off and Charge function only
when the AC adaptor is connected.
Disable features when
the battery level
reaches
Specifies the lower limit of remaining battery life
by moving the slider bar. If the remaining battery
life falls below the setting, the Power Off and
Charge function is stopped.
This setting is only available when the Function
under Battery Mode is enabled.
System ON CDP Charge
This function enable/disable CDP (Charging Downstream Port) to use rapid
USB charge while the computer is powered on. When "System ON CDP
Charge Mode" is enabled, your computer can supply USB bus power
(DC5V, 1.5A) to the compatible ports while the computer is turned on.
To set System ON CDP Charge Mode, click Start -> dynabook Settings
-> USB Charge.
Enabled Rapid USB battery charge at maximum 1.5A
while PC is powered On.
Disabled Conventional USB battery charge while PC is
powered On.
The "System ON CDP Charge Mode" might not work with certain external
devices even if they are compliant with the USB specifications. In those
cases, use a USB port without "Power Off and Charge function" or disable
“System ON CDP Charge Mode”.
It is recommended that the AC adaptor be connected to the computer while
supplying USB bus power (DC5V, 1.5A).
When your computer battery capacity is too low to continue, "System ON
CDP Charge Mode" might not work. In those cases, connect the AC
adaptor and reboot the computer.
Always use the USB cable that was included with your USB device.
When "System ON CDP Charge Mode" or “Power Off and Charge function”
is enabled, the “USB Wakeup” function might not work. In that case, use a
User's Manual 5-4

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dynabook PORTEGE X40-J Series Specifications

General IconGeneral
GraphicsIntel Iris Xe Graphics
WirelessWi-Fi 6 (802.11ax), Bluetooth 5.1
ProcessorUp to 11th Gen Intel® Core™ i7 Processors
Display14.0" FHD (1920 x 1080) Anti-glare
RAMUp to 32GB DDR4
StorageUp to 1TB PCIe SSD
Operating SystemWindows 10 Pro
WeightApprox. 1.05 kg
SecurityFingerprint Reader, TPM 2.0
Ports2 x Thunderbolt 4, 1 x USB 3.2, HDMI, microSD card slot

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