Lenovo m91p 4524 Guia Do Utilizador
Locating parts on the system board
Figure 52 “System board parts locations” on page 119 shows the locations of the parts on the system board.
Figure 52. System board parts locations
1
4-pin power connector
15
eSATA connector
2
Microprocessor
16
Power fan connector
3
Microprocessor fan connector
17
Front panel connector (for connecting power switch and
LED indicators)
4
Memory slot 1 (DIMM1)
18
Front USB connector 1 (for connecting USB port 1and 2
on the front bezel)
5
Memory slot 2 (DIMM2)
19
Front USB connector 2 (for connecting additional USB
devices)
6
Memory slot 3 (DIMM3)
20
Serial (COM2) connector
7
Memory slot 4 (DIMM4)
21
Internal speaker connector
8
Thermal sensor connector
22
Front audio connector
9
24-pin power connector
23
PCI card slots (2)
10
Battery
24
PCI Express x1 card slot
11
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
25
PCI Express x16 graphics card slot
12
Parallel connector
26
System fan connector
13
SATA connectors 1 and 2 (SATA 3.0 connectors)
27
Cover presence switch connector (Intrusion switch
connector)
14
SATA connector 3 (SATA 2.0 connector)
28
PS/2 keyboard and mouse connector
Chapter 9
.
Replacing FRUs (Machine Types: 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514,
4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177.)
119