System board
NOTE: The system board spare part kit includes a graphics subsystem with UMA memory and replacement
thermal material.
Description Spare part number
Equipped with an Intel Core i7-6560U 2.20-GHz (SC turbo up to 3.20-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, internal sensor hub, and the
Windows 10 Professional operating system
849424-601
Equipped with an Intel Core i7-6560U 2.20-GHz (SC turbo up to 3.20-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, internal sensor hub, and a non-
Windows operating system
849424-001
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 16.0-GB of system memory, without sensor hub, and the
Windows 10 Professional operating system
861993-601
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 16.0-GB of system memory, without sensor hub, and a non-
Windows operating system
861993-001
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, without sensor hub, and the
Windows 10 Professional operating system
861992-601
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, without sensor hub, and a non-
Windows operating system
861992-001
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, external sensor hub, and the
Windows 10 Professional operating system
828825-601
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, external sensor hub, and a non-
Windows operating system
828825-001
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, internal sensor hub, and the
Windows 10 Professional operating system
849425-601
Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1866-MHz FSB,
4.00-MB L3 cache, dual core, 15 W), 8.0-GB of system memory, internal sensor hub, and a non-
Windows operating system
849425-001
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation,
turn the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 19).
5. Remove the battery (see Battery on page 21).
6. Remove the fan (see Fan on page 25).
30 Chapter 5 Removal and replacement procedures
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