Rear view
1 Power-cord connector 9 NMI button
2 Serial connector 10 USB 3-4 connector
3 Ethernet 1 activity LED 11 USB 1-2 connector
4 Ethernet 1 link LED 12 Video connector
5 Ethernet 2 activity LED 13 Power supply error LED (amber)
6 Ethernet 2 link LED 14 DC power LED (green)
7 PCI slot 1 15 AC power LED (green)
8 PCI slot 2
106 ThinkServer ThinkServer RS210, Types 6531, 6532, 6533, and 6534: Hardware Maintenance Manual