Connectors; Rear Panel Connectors - NEC PowerMate SPB-Wash User Manual

3. Touch and maintain continuous contact with an unpainted
metal surface of the computer system while handling or
touching any internal components, chips, add-on boards,
or disk drives.
Proper grounding surfaces inside the computer include
the disk drive mounting cage, the metal surrounding the
power supply, or unpainted portions of the computer's
rear panel.

Connectors

System board external and internal connectors are described
in the following sections.

Rear Panel Connectors

The following table lists the external connectors on the rear
panel.
System Board External Connectors
Name
PS/2 keyboard
PS/2 mouse
USB (Universal Serial Bus)
Parallel port
Serial port 1
Serial port 2
System Board, Connectors, and Error Messages C-3
Function
Connects to your keyboard
Connects to your mouse
Reserved for upgrades and
options with USB technology
Connects to an optional parallel
printer cable
Connects to an optional serial
device
Connects to an optional serial
device