Locating Internal Drives - Lenovo THINKCENTRE 4215 Hardware Maintenance Manual

Figure 4. System board part locations
1
4-pin power connector
2
Microprocessor
3
Microprocessor fan connector
4
DIMM 2
5
DIMM 1
6
DIMM 4
7
DIMM 3
8
Thermal sensor connector
9
24-pin power connector
10
SATA connectors (3)
11
eSATA connector
12
Power fan connector

Locating internal drives

Internal drives are devices that your computer uses to read and store data. You can add drives to your
computer to increase storage capacity and enable your computer to read other types of media. Your
computer comes with the following factory-installed drives:
• A Serial Advanced Technology Attachment (SATA) optical drive in bay 1
• A 3.5-inch card reader in bay 3 (installed in some models)
• A 3.5-inch SATA hard disk drive in bay 5
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Hardware Maintenance Manual
13
Front panel connector
14
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
15
Front USB connectors (2)
16
Front audio connector
17
Internal speaker connector
18
PCI card slots (2)
19
PCI Express x1 card slot
20
PCI Express x16 graphics card slot
21
System fan connector
22
Cover presence switch connector (Intrusion switch
connector)
23
Battery
24
PS/2 keyboard and mouse connector