System-Board Jumpers; System-Board External Connectors - IBM x3100 User Manual

System-board jumpers

The following illustration shows the jumpers on the system board.
BIOS recovery
jumper (JP2)

System-board external connectors

The following illustration shows the external input/output connectors on the system
board.
Boot block jumper (JP3)
Clear CMOS jumper (JP1)
Video connector
Parallel connector
Serial (COM1)
connector
Ethernet connector
USB 4 connector
USB 3 connector
USB 2 connector
USB 1 connector
NMI connector
Chapter 2. Installing optional devices
13