Filter
Top Products
B-6 Dell Precision 210 Desktop Systems User’s Guide
,23RUWVDQG&RQQHFWRUV
The I/O ports and connectors on the back panel of your computer are the gateways
through which your computer system communicates with external devices, such as a
keyboard, mouse, printer, and monitor. Figure B-2 identifies the I/O ports and connec-
tors for your computer.
6HULDODQG3DUDOOHO3RUWV
The two built-in serial ports use 9-pin D-subminiature connectors on the back panel.
These ports support devices such as external modems, printers, plotters, and mice
that require serial data transmission (the transmission of data one bit at a time over
one line).
SERIAL1/2 Serial port connectors (sometimes referred to
as
COM1
and
COM2;
stacked)
SLOT1_PRI Primary Pentium II processor SEC cartridge
connector
SLOT1_SEC Secondary Pentium II processor SEC cartridge
connector
USB USB connectors
NOTE: For the full name of an abbreviation or acronym used in this table, see the
Glossary.
USB
connectors
keyboard
connector
mouse
connector
serial port 2
connector
serial port 1
connector
parallel port
connector
video connector (may be in
bottom or second expansion slot)
NIC connector line-in jackline-out jackmicrophone jack
No PCI expansion slot connector
exists behind this slot cover.