82439TX

Preliminary 82439TX System Controller (MTXC) SmartDie® Product Specification s Supports the Pentium® Processor Family Host Bus at 66 MHz and 60 MHz at 3.3 V and 2.5 V s PCI 2.1 Compliant s Integrated Data Path s Integrated DRAM Controller — 4 Mbytes to 256 Mbytes Main Memory — 64-Mbit DRAM/SRAM Technology Support — FPM (Fast Page Mode), EDO, and SDRAM DRAM support — 6 RAS Lines Available — Integrated Programmable Strength for DRAM Interface — CAS-Before-RAS Refresh, Extended Refresh and Self Refresh for EDO — CAS-Before-RAS and Self Refresh for SDRAM s Integrated L2 Cache Controller — 64 Mbyte DRAM Cacheability — Direct Mapped Organization–Write Back Only — Supports 256 Kbyte and 512 Kbyte Pipelined Burst SRAM and DRAM Cache — Cache Hit Read/Write Cycle Timings at 3-1-1-1 — Back-to-Back Read/Write Cycles at 3-1-1-1-1-1-1-1 — 64 K x 32 SRAM Also Supported s Fully Synchronous, Minimum Latency 30/33 MHz PCI Bus Interface — Five PCI Bus Masters (Including...