Motherboard Layout - Dell Precision 3430 Small Form Factor Service Manual

Motherboard layout

1 PCI-e x16 connector (slot 2)
3 USB Type-C connector
5 Intrusion switch connector (Intruder)
7 Processor socket (CPU)
9 Memory slots (DIMM1, DIMM2, DIMM3, DIMM4)
11 Remote PWR switch connector
13 M.2 SSD card/Intel Optane connector
15 Clear password jumper (PASSWORD_CLR)
17 PSU connector
19 Internal speaker connector (INT_SPKR)
21 Internal USB connector (FRONT_USB
23 SATA 2 connector
2 PCI-e x4 connector (slot1—open ended x4 to support x16
4 Video connector
6 CPU power connector (ATX_CPU)
8 CPU fan connector
10 Power switch connector (PWR_SW)
12 Media card reader connector (Card_reader)
14 System fan connector
16 SATA 0 connector
18 M.2 WLAN connector
20 SATA 3 connector
22 SATA power connector (SATA_PWR)
24 Coin cell battery
Removing and Installing components 17