Components 21
I/O connectors
The I/O connectors are located on the back panel of the system. Figure 7 on
page 12 shows the locations of the connectors on the system board. Figure 8
below shows the connectors as they appear on the back panel.
Figure 8: I/O Connectors
The following I/O connectors are included with the system:
•
Two universal serial bus (USB) ports (AK in Figure 7):
•
USB ports provide connection for a growing list of peripheral
components including mouse, keyboard, joystick, monitor,
tape and floppy drives
•
As many as 127 devices can be daisy-chained from each port
•
Hot-swap capability and dynamic resource allocation for all
peripherals attached
•
Data transfer rates of up to 12Mbps.
•
USB drivers are provided as a part of most major operating
systems and should require no special procedures for
implementation or use.
•
Two 9-pin 16550-compatible serial ports (AN and AP in Figure 7)
•
One bi-directional ECP/EPP parallel port (AO in Figure 7)
Parallel port
Serial port 1
Serial port 2
Keyboard port
Mouse port
Video port
Dual USB ports
RJ-45 Ethernet port
with LED indicators
4081TL.book Page 21 Tuesday, December 22, 1998 1:27 PM