Lenovo 4223 Personal Computer User Manual


 
11 Microprocessor 1 12 volt power connector
39 eSATA connector
12 Microprocessor 1
40 Cover presence switch connector (Intrusion switch
connector)
13 Microprocessor 1 fan connector
41 Thermal sensor
14 Microprocessor 1 memory slot 8 (DIMM8)
42 Internal speaker connector
15 Microprocessor 1 memory slot 4 (DIMM4)
43 Front audio connector
16 Microprocessor 1 memory slot 7 (DIMM7) 44 PCI card slot
17 Microprocessor 1 memory slot 3 (DIMM3) 45 PCI Express x4 card slot
18 Front fan connector
46 PCI Express x16 card slot
19 Microprocessor 1 memory cooler connector
47 PCI card slot
20 Clear CMOS (Complementary Metal Oxide
Semiconductor) / Recovery jumper
48 PCI Express x16 card slot
21 SATA port 4 49 PCI Express x4 card slot (x16 mechanical)
22 SATA port 3
50 Rear fan connector
23 Media card reader connector
51 Microprocessor 2 memory slot 1 (DIMM1)
24 Front panel connector
52 Microprocessor 2 memory slot 5 (DIMM5)
25 Front USB connector 53 Microprocessor 2 memory slot 2 (DIMM2)
26 Hard disk drive enablement module connector
54 Microprocessor 2 memory slot 6 (DIMM6)
27 Auxiliary LED connector 55 Microprocessor 2 12 volt power connector
28 Internal USB 2.0 port
56 Microprocessor 2
Chapter 1. Product overview 11