System board components
The following gure and table describe the system board component layout.
I/O Cooling Misc
1 Internal USB 11 CPU fan 24 Display
2 Rear DP/LAN 12 Memory fan 25 Hood sensor
3 Rear USB 13 MXM fan 26 LED backlight
4 Rear audio Power 27 Speakers
5 Side I/O 14 Battery 28 Webcam/Mic
6 Touch controller header 15 Main power 29 Thunderbolt 2 module PCIe
SATA 16 Optical drive power 30 Thunderbolt 2 module DisplayPort
7 Hard drive SATA (6 Gb/s) 17 User panel I/O header 31 Thunderbolt 2 module power
8 Optical drive SATA (6 Gb/s) 18 HDD power connector 32 Side I/O memory card reader
PCI/PCIe Service 33 Side I/O USB 3.0
9 Mini PCIe/mSATA (2) 19 Clear CMOS 34 Side I/O USB 3.0 battery charging
10 MXM graphics 20 Crisis Recovery jumper 35 Side I/O audio (headset)
21 ME/AMT ash override jumper 36 Side I/O audio (mic)
22 Boot block enable
23 Password jumper
6 Chapter 1 Hardware overview
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