Intel Desktop Board D865PERL Product Guide
Input/Output (I/O) Controller
The super I/O controller features the following:
•
Low pin count (LPC) interface
•
One serial port
•
One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
•
Serial IRQ interface compatible with serialized IRQ support for PCI systems
•
PS/2-style mouse and keyboard interfaces
•
Interface for one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive
•
Intelligent power management, including a programmable wake up event interface
•
PCI power management support
LAN Subsystem (Optional)
The optional LAN (with the Intel 82801ER ICH5R or Intel 82801EB ICH5) provides a Fast PCI
LAN subsystem. The LAN subsystem provides the following functions:
•
Basic 10/100 Ethernet LAN (Intel 82562EZ) or 10/100/1000 Gigabit Ethernet LAN
(Intel 82547EI)
•
Support for RJ-45 connector with status indicator LEDs
•
Programmable transit threshold
•
Configurable EEPROM that contains the MAC address
LAN Subsystem Software
For LAN software and drivers, refer to the D865PERL link on Intel's World Wide Web site at:
http://support.intel.com/support/motherboards/desktop
RJ-45 LAN Connector LEDs
Two LEDs are built into the RJ-45 LAN connector. Table 6 describes the LED states when the
board is powered up and the 10/100 Ethernet LAN subsystem is operating.
Table 6.
RJ-45 10/100 Ethernet LAN Connector LEDs
LED Color
LED State
Green
Off
On
Yellow
Off
On (steady state)
On (brighter and
pulsing)
20
Indicates
10 Mbit/sec data rate is selected.
100 Mbit/sec data rate is selected.
LAN link is not established.
LAN link is established.
The computer is communicating with another computer on the
LAN.
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