82439TX
82439TX is System Controller manufactured by Intel.
Preliminary
82439TX System Controller (MTXC)
Smart Die® 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 pliant 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...
