M90S Gen 2 - Lenovo ThinkCentre M90s Gen 2 Hardware Maintenance Manual

25
PCI Express x16 Gen 4 graphics card slot
27
System fan connector

M90s Gen 2

1
8-pin power connector
3
Microprocessor socket
5
Memory slot (DIMM1)
7
Memory slot (DIMM3)
9
Illuminated red dot connector
11
Storage drive activity indicator
13
Auxiliary fan connector 2
15
10-pin power connector
17
Auxiliary fan connector 1
19
SATA 3.0 connectors
21
M.2 solid-state drive Gen 3 slot
23
Thermal sensor connector
25
Front USB 2.0 connector
26
Cover presence switch connector (intrusion switch
connector)
28
E-lock connector
2
PS/2 keyboard and mouse connector
4
Microprocessor fan connector
6
Memory slot (DIMM2)
8
Memory slot (DIMM4)
10
Power button connector
12
Internal speaker connector
14
ThinkCentre LED connector
16
SATA power connectors
18
Coin-cell battery
20
Clear CMOS (Complementary Metal Oxide
Semiconductor)/Recovery jumper
22
M.2 Wi-Fi card slot
24
Front USB 2.0 connector (card reader connector)
26
Parallel connector
.
Chapter 6 Hardware removal and installation
59