System-board external connectors
The following illustration shows the external input/output connectors on the system
board.
Serial (com1)
Video
Ethernet connector 1
USB connectors 1 & 2
Ethernet connector 2
USB connectors 3 & 4
SW1 (NMI button)
Microprocessor
Heatsink
Orientation
DIMMs
DIMMs
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IBM System x3250 M3 Types 4251, 4252, and 4261: Installation and User’s Guide
Summary of Contents for 4251
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