Intel ® 845Pe Chipset; Intel ® 82845Pe Memory Controller Hub (Mch); Intel ® 82801Db I/O Controller Hub (Ich4); Firmware Hub (Fwh) - Intel D845PEBT2 Product Manual

Intel Desktop Board D845PEBT2 Product Guide
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Intel 845PE Chipset
The Intel 845PE chipset consists of the following devices:
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Intel 82845PE Memory Controller Hub (MCH) with AHA bus
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Intel 82801DB I/O Controller Hub (ICH4) with AHA bus
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Firmware Hub (FWH)

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Intel 82845PE Memory Controller Hub (MCH)
The MCH provides the processor, system memory, AGP, and hub interfaces in the
Intel 845PE chipset platform. Features on Desktop Board D845PEBT2 include:
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Single processor support with 533 MHz or 400 MHz data transfer rates
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Support for up to 2 GB (with 512 Mbit technology) DDR SDRAM at 333/266 MHz operation
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NOTE
512 Mbit technology has not been validated on these boards
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1.5 V AGP interface with 4X Side Band Addressing (SBA)/data transfer and 2X and
4X fast write
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Intel 82801DB I/O Controller Hub (ICH4)
The ICH4 integrates many I/O functions and provides the I/O subsystem with access to the rest of
the platform. ICH4 features on Desktop Board D845PEBT2 include:
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Integrated IDE controller supports two Ultra DMA-33 and ATA-66/100 channels, and
PIO modes
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SMBus interface
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FWH interface
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Low Pin Count (LPC) interface
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AC '97 2.1 compliant link for audio and telephony codecs
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Integrated Intel 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device for interfacing
the ICH4 LAN connect interface to LAN connect component
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Three UHCI and one EHCI compliant host controllers with support for up to six USB ports
Firmware Hub (FWH)
The 4 Mbit Firmware Hub has these features:
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System BIOS
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System security and management logic
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