M90S Gen 3 - Lenovo ThinkCentre M80s Gen 3 Maintenance Manual

M90s Gen 3

1
PS/2 keyboard and mouse connector
3
Microprocessor socket
5
Memory slot (DIMM1)
7
Memory slot (DIMM3)
9
Power button connector
11
Auxiliary fan connector
13
SATA power connectors
15
M.2 solid-state drive slot 1
17
Thermal sensor connector
19
M.2 Wi-Fi card slot
21
Parallel connector
23
Thunderbolt header
25
PCI Express x1 card slot
27
PCI Express x1 card slot
29
E-lock connector
31
Cover presence switch connector (intrusion switch
connector)
54
M70s Gen 3 / M80s Gen 3 / M90s Gen 3 Hardware Maintenance Manual
2
8-pin power connector
4
Microprocessor fan connector
6
Memory slot (DIMM2)
8
Memory slot (DIMM4)
10
Internal speaker connector
12
10-pin power connector
14
SATA 3.0 connectors
16
M.2 solid-state drive slot 2
18
Front USB connector 1
20
Front USB connector 2
22
Serial (COM2) connector
24
Clear CMOS (Complementary Metal Oxide
Semiconductor) / Recovery jumper
26
PCI Express x16 card slot
28
PCI Express x16 card slot
30
System fan connector
32
Coin-cell battery