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14 Description
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NOTE
18 inch maximum length of IDE cable on each channel: You can connect
an IDE signal cable, up to a maximum of 18 inches each, to each
IDE connector on the server board. Each cable can support two devices, one
at the end of the cable and one 6 inches from the end of the cable.
Network Controller
The server board includes a 10BASE-T/100BASE-TX network solution based on the Intel 82559
single chip Fast Ethernet PCI Bus Controller. As a PCI bus master, the controller can burst data at
up to 132 MB/s. The controller contains two receive and transmit FIFO buffers that prevent data
overruns or underruns while waiting for access to the PCI bus. The controller has the following:
• 32 bit PCI bus master interface (direct drive of bus), compatible with PCI Bus Specification,
Revision 2.1
• Chained memory structure with improved dynamic transmit chaining for enhanced
performance
• Programmable transmit threshold for improved bus utilization
• Early receive interrupt for concurrent processing of receive data
• Onchip counters for network management
• Autodetect and autoswitching for 10 or 100 Mbps network speeds
• Support for both 10 Mbps and 100 Mbps networks, capable of full or half duplex, with back-to-
back transmit at 100 Mbps
The network status LEDs on the server board indicate:
• Transmit/receive activity on the LAN
• Valid link to the LAN
• 10/100 Mbps transfer mode
Keyboard and Mouse
The keyboard/mouse controller is PS/2-compatible. The server may be locked automatically if
there is no keyboard or mouse activity for a predefined length of time, if specified through the
System Setup Utility (SSU). Once the inactivity (lockout) timer has expired, the keyboard and
mouse do not respond until the previously stored password is entered.
ACPI
The L440GX+ supports the Advanced Configuration and Power Interface (ACPI) as defined by the
ACPI 1.0 and PC97 specifications. An ACPI aware operating system can put the system into a
state where the hard drives spin down, the system fans stop, and all processing is halted. However,
the power supply will still be on and the processors will still be dissipating some power, so the
power supply fan and processor fans will still run.
The L440GX+ supports sleep states s0, s1, s4, and s5. With future versions of Microsoft
Windows
†
9X that support ACPI, the BIOS will only support sleep states s0, s1, and s5. With