Specifications

System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GT (GeForce 750M) graphics
subsystem with 4-GB of discrete memory, and the Windows 8 Professional operating system for
use only on computer models equipped Leap Motion capability
736481-601
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GT (GeForce 750M) graphics
subsystem with 4-GB of discrete memory, and the Windows 8 Standard operating system for use
only on computer models equipped with Leap Motion capability
736481-501
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GT (GeForce 750M) graphics
subsystem with 2-GB of discrete memory, and the Windows 8 Professional operating system
720267-601
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GT (GeForce 750M) graphics
subsystem with 2-GB of discrete memory, and the Windows 8 Standard operating system
720267-501
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GV2 (GeForce 740M) graphics
subsystem with 2-GB of discrete memory, and the Windows 8 Professional operating system
720266-601
Equipped with the Intel HM87 Express chipset, the Nvidia N14P-GV2 (GeForce 740M) graphics
subsystem with 2-GB of discrete memory, and the Windows 8 Standard operating system
720266-501
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Professional operating system for use only on computer models equipped with
Leap Motion capability
736482-601
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Standard operating system for use only on computer models equipped with Leap
Motion capability
736482-501
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Professional operating system
720265-601
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Standard operating system
720265-501
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Standard operating system for use only on computer models equipped with Leap
Motion capability
746450-501
Equipped with the Intel HM87 Express chipset, a graphics subsystem with UMA memory, and
the Windows 8 Professional operating system for use only on computer models equipped with
Leap Motion capability
746450-601
Equipped with the Intel HM87 Express chipset, a graphics subsystem with discrete memory, and
the Windows 8.1 Standard operating system for use only on computer models equipped with
Leap Motion capability
746451-501
Equipped with the Intel HM87 Express chipset, a graphics subsystem with discrete memory, and
the Windows 8 Professional operating system for use only on computer models equipped with
Leap Motion capability
746451-601
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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.
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts