E8870

www.DataSheet4U.com Intel® E8870 Scalable Node Controller (SNC) Datasheet Product Features s s Intel® Itanium® 2 Processor System Bus — Itanium 2 processor system bus interface (44-bit address, 128-bit data) at 400 MHz data bus frequency — Full multiprocessor support for up to four Itanium 2 processors on the system bus — Parity protection on address and control signals — ECC protection on each 64-bit chunk of the 128-bit data signals on the Itanium 2 processor system bus — Eight-deep in-order queue — Non-blocking transaction handling:: Transactions receive Normal Completion, Retry, or Defer; All transactions normally deferred; No chipset snoop stalls — GTL+ bus driver technology — Chipset adds only one load to the system bus PC1600 DDR SDRAM Memory via DDR Memory Hub (DMH) — Supports up to four DMHs — 1, 2, 3, or 4 different types of DIMMs per branch channel — Supports 128-, 256-, 512-, 1024-Mb devices in X4 and X8 configurations — Supports from 512 MB (128 Mb devices) to 128 GB (1 Gb devices) of memory in 128 MB increments s s s s — 6.4 GB/s peak bandwidth — Server Error Correction Code corrects for any single failed X4 memory device, and limited correction on data errors from X8 memory devices — ECC with error correction and periodic scrubbing of the memory Scalability Port (SP) — Two SPs with 3.2 GB/s peak bandwidth per direction per SP — Bidirectional SPs for a total bandwidth of 12.8 GB/s Firmware — Firmware hub interface for processorspecific firmware Reliabili...