
Dell OptiPlex 9020 Mini Tower Owner's Manual
System Board Components
Figure 1. Components Of
The System Board


- PCI Express x16 slot (wired as x4)
- PCI slot
- PCIe x1 slot
- coin-cell battery
- PCI Express x16 slot
- intrusion switch connector
- 4-pin CPU power connecter
- system fan connector
- CPU Socket
- heat-sink fan connector
- DDR DIMM memory slots (4)
- front power-switch connector
- 8-pin power connector
- SATA connectors
- HDD and optical drive power connector
- SATA connectors
- front panel USB connector
- front panel audio connector
- password reset jumper
- internal USB 2.0 connector
- RTCRST jumper connector
- speaker connector
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