Intel L440GX+, Product Manual

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Server Board Product Guide 11
/
NOTE
Use DIMMs that have been tested for compatibility with the server board.
Contact your sales representative or dealer for a current list of approved
memory modules. Check the Intel Customer Support website for the latest
tested memory list:
http://support.intel.com/support/motherboards/server/l440gx/compat.htm
440GX Host Bridge / Memory Controller
The is designed around the Intel
®
82440GX AGPSet (440GX). This device provides
100MHz processor host bus interface support, DRAM controller, PCI bus interface, AGP interface
(used on for PCI-66/5V), and power management functions. The host bus/memory
interface in the 440GX is optimized for 100MHz operation, using 100MHz SDRAM main memory.
The PCI interface is PCI 2.1-compliant, providing a 33 MHz / 5V signaling environment for
embedded controllers and slots in the single PCI segment on . The 440GX memory
controller supports up to 2 GB of ECC or Non-ECC memory, using PC/100 compliant Synchronous
DRAM (SDRAM) devices on DIMM plug-in modules. ECC can detect and correct single-bit
errors, and detect multiple-bit errors.
Peripherals
Super I/O Chip
The National
†
87309 device supports two serial ports, one parallel port, diskette drive,
PS/2-compatible keyboard and mouse. The server board provides a connector interface for
each port.
Serial Ports
Each serial port can be set to one of four different COMx ports and can be enabled separately.
When enabled, each port can be programmed to generate edge or level sensitive interrupts. When
disabled, serial port interrupts are available to add-in boards.
Parallel Port
The 87309 provides one IEEE 1284-compatible 25 pin bidirectional EPP (supporting levels 1.7
and 1.9). BIOS programming of the 87309 registers enable the parallel port and determine the port
address and interrupt. ECP mode is supported with 2 possible DMA channels. When disabled, the
interrupt is available to add-in boards.