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10. PC99 Color Coded Back Panel
The onboard I/O devices are PS/2 Keyboard, PS/2 Mouse, COM1, VGA Connector, Printer
and USB2.0. The view angle of drawing shown here is from the back panel of the housing.
PS/2 Mouse
Connector
USB2.0
Port
PS/2 Keyboard
Connector
PS/2 Keyboard:
For standard keyboard, which is using a PS/2 plug.
PS/2 Mouse:
For PC-Mouse, which is using a PS/2 plug.
USB2.0 Port:
Available for connecting USB devices.
Parallel Port:
To connect with SPP/ECP/EPP printer.
COM1 Port:
To connect with pointing devices, modem or others serial devices.
1GbE Ethernet Port: To connect RJ-45 Ethernet Cable.
VGA:
To connect monitor signal Cable.
11. Support the 3
This motherboard provides two USB channels to link USB devices, such as mouse,
keyboard, modem, printer, etc. There is one connectors on the PC99 back panel. You can
use proper cable to connect other USB connectors to the back panel or front panel of
chassis.
1 2
2
+5V
+5V
SBD2-
SBD3-
SBD2+
SBD3+
GND
GND
KEY
SPP/EPP/ECP Parallel Port
VGA
COM 1 Port
Connector
rd
th
/ 4
USB Port
The Intel 82540 integrates Intel's fourth-generation Gigabit MAC design with fully
integrated, physical-layer circuitry to provide a standard IEEE 802.3 Ethernet interface for
1000BASE-T and 100BASE-TX applications. The left green LED indicates the link mode, it
lights when linking to network and blinking when transferring data in 100Mbps mode. The
right green LED indicates the transfer mode and it lights when data is transferring in 1Gbps
1 GbE
mode.
Ethernet
Port
This motherboard provides check password function. You can use JP1 to enable or disable
this function, which could prevent your system from unauthorized invasion. The factory
default setting is set to "Enable" (1-2), and you may disable this function by setting the
jumper to 2-3.
12. Support 1Gbps LAN onboard
1Gb Ethernet Port
13. JP1 Check Password
1
1
Green/100
Green/1G
Password On (Default)
Password OFF
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