System board
NOTE:
All system board spare part kits include a processor and replacement thermal material.
Description
Spare part number
Equipped with an Intel Core i7-7560U 2.40-GHz (turbo up to 3.80-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 16-GB system memory, and the Windows 10 operating system
920545-601
Equipped with an Intel Core i7-7560U 2.40-GHz (turbo up to 3.80-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 16-GB system memory, and a non-Windows operating system
920545-001
Equipped with an Intel Core i7-7560U 2.40-GHz (turbo up to 3.80-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 8-GB system memory, and the Windows 10 operating system
920544-601
Equipped with an Intel Core i7-7560U 2.40-GHz (turbo up to 3.80-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 8-GB system memory, and a non-Windows operating system
920544-001
Equipped with an Intel Core i5-7260U 2.20-GHz (turbo up to 3.40-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 8-GB system memory, and the Windows 10 operating system
920546-601
Equipped with an Intel Core i5-7260U 2.20-GHz (turbo up to 3.40-GHz) dual core processor (1866-MHz
FSB, 4.0-GB L3 cache, 15-W), an Intel Iris Graphics Plus 640 graphics subsystem with UMA video
memory, 8-GB system memory, and a non-Windows operating system
920546-001
Before removing the system board, follow these steps:
1.
Shut down the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on,
and then shut it down through the operating system.
2.
Disconnect all external devices connected to the tablet.
3.
Disconnect the power from the tablet by first unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the tablet.
4.
Remove the display panel assembly (see
Display panel assembly on page 20
), and then remove
the following components:
a.
Bottom bezel (see
)
b.
Battery (see
)
c.
Fan (see
)
d.
Heat sink (see
When replacing the system board, be sure to remove the microSD memory card reader board (see
memory card reader board on page 49
) from the defective system board and install it on the replacement
system board.
Remove the system board:
1.
Disconnect the following cables from the system board:
(1) Audio jack board ZIF connector cable
(2) Left speaker cable
46
Chapter 5 Removal and replacement procedures
