Lenovo ThinkCentre M910s User Manual And Hardware Maintenance Manual page 8

Overview
SATA 3.0 connector
16
M.2 Wi-Fi card slot
17
M.2 storage drive slot
18
Illuminated red dot connector
19
Thermal sensor connector
20
Front USB 2.0 connector
21
Front USB 2.0 connector
22
Serial (COM2) connector
23
PCI Express card slot (physical
24
link width x16; negotiable link
width x4, x1)
PCI Express x1 card slot
25
PCI Express x16 graphics card
26
slot
Cover presence switch
27
connector (Intrusion switch
connector)
System fan connector
28
Coin-cell battery
29
Microprocessor socket
30
PS/2 keyboard and mouse
31
connector
8