Intel NuPRO-850 Compliant Specifications, Form Factor, CPU/Cache, Chipset, Host Memory

1.4Specifications

Compliant Specifications

•PICMG 1.2 Rev 1.0 Embedded PCI-X Specification compliant.

•PCI Local Bus Specification, Rev 2.2 compliant.

Form Factor

•Standard Full-Size ePCI-X System Host Board, 338.6mm x 122mm (13.33”x4.8”).

CPU/Cache

•Intel® Pentium® 4 processor. The socket supports CPUs manufactured using Intel's 0.13-micron and 90nm manufacturing processes, FC-mPGA4 package (478-pin).

•The Intel® Pentium® 4 processor runs at a core speed of up to 3.4GHz, with a Front Side Bus (FSB) speed of 400/533/800MHz, and on-die 512KB or 1MB Advanced Transfer L2 Cache.

Chipset

•Intel® 6300ESB I/O Controller Hub

•Intel® 82875P Memory Controller Hub (MCH)

Host Memory

•Four DDR DIMM sockets

•266/333/400MHz DDR DIMM modules

•Dual-channel or single-channel DDR interface

•Non-ECC and ECC, un-buffered DIMMs only

•Each socket supports up to 1GB of DDR DIMM

•128-Mb, 256-Mb, 512Mb technologies implemented as x8, x16 DDR devices with four banks

•Up to 4GB system memory

•Registered DIMMs are not supported

DDR DIMM speed, type and size can be determined by the BIOS reading the DIMM presence detect bits on the SMBus (System Management Bus). The

8 • Introduction