Desktop Board Features
Intel® 82845E Memory Controller Hub (MCH)
The MCH provides the processor, system memory, AGP, and hub interfaces in the
Intel 845E chipset platform. Features on Desktop Boards D845EPT2 and D845EBG2 include:
•Single processor support with 533/400 MHz data transfer rate
•Designed to support up to 2 GB (with 512 Mbit technology) DDR SDRAM at 266/200 MHz operation
✏NOTE
512 Mbit technology has not been validated on these boards.
•1.5 V AGP interface with 4X Side Band Addressing (SBA)/data transfer and 2X and 4X fast write
Intel® 82801DB I/O Controller Hub (ICH4)
The Intel 82801DB I/O Controller Hub integrates many I/O functions and provides the I/O subsystem with access to the rest of the platform. ICH4 features on Desktop Boards D845EPT2 and D845EBG2 include:
•Integrated IDE controller supports two Ultra
•SMBus interface
•FWH interface
•Low Pin Count (LPC) interface
•AC’97 2.1 compliant link for audio and telephony codecs
•Integrated Intel 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device for interfacing the ICH4 LAN connect interface to LAN connect component
•Three UHCI and one ECHI compliant host controllers supporting up to six USB ports
Firmware Hub (FWH)
The 4 Mbit Firmware Hub has these features:
•System BIOS
•System security and management logic
Input/Output (I/O) Controller
The SMSC LPC47M102S ultra I/O controller features the following:
•Low pin count (LPC) interface
•Two serial ports (one via an Intel desktop board header)
•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
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•Interface for one 1.2 MB, 1.44 MB, or 2.88 MB floppy drive
•Intelligent power management, including a programmable wake up event interface
•PCI power management support
•Two fan tachometer inputs
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