FTD4000 CHIP SET

The FTD4000 is a high performance set of three VLSI devices ( 82C4591,82C4592 and 82C4593) incorporating all the control logic and peripherals required to implement a full range of PC-AT motherboards based around the 80386DX, 80486SX, 80486DX and PENTIUM microprocessors.

• SUPPORTS 80386DX-25/33/40 CPU 80486SX/DX/487SX-16-50 CPU/NPX PENTIUM 64 BIT CPU's
• SUPPORTS 80387DX CO-PROCESSOR
• WRITE THROUGH/WRITE BACK CACHE ALGORITHMS
• LEVEL 1 WRITE BACK CACHE SUPPORT
• PAGE MODE DRAM/EDRAM CONTROLLER
• 8259A x 2 INTERRUPT CTRL
• LS612 MEMORY MAPPER
• ADDITIONAL MEMORY MAPPER TO ALLOW DMA TRANSFERS TO 256Mb OF MEMORY
• UPGRADEABLE 386/486 DESIGNS
• LOCAL IDE VL BUS CONTROLLER FOR HIGH SPEED IDE PERFORMANCE
• 1Mb TO 128/256Mb SYSTEM MEMORY
• 0/32/64/128/256/512K/1Mb CACHE MEMORY
• MIXED 256k/1M/4M DRAM SUPPORT
• SUPPORTS 72 PIN SINGLE AND DOUBLE SIDED SIMMS
• FLEXIBLE MEMORY MAPPER SUPPORTS ANY SIZE IN ANY BANK
• SYNCHRONOUS I.S.A. BUS
• 8237 x 2 DMA CONTROLLER
• 8254 x 1 TIMER
• KEYBOARD EMULATION LOGIC
• POSTED WRITE OPTION
• LOWER INVENTORY COSTS
• VERY HIGH PERFORMANCE