ALi M1489
486 PCI Chip Set
FEATURES
M1489 (Cache-Memory PCI controller) M1487 (ISA Bus Controller) Supported CPUs T Supports AMD 486D4 and X5, Intel 486, P24T, P24D, DX4, SL-Enhanced, Cyrix M7, UMC U5 and AMD AM486DXL CPUs in 25, 33, 40, 50, 66, 100 and 133 MHz 3V/5V CPU interface T Supports CPU L1 writeback T Supports Cyrix's linear addressing mode L2 Cache Controller T Write Back cache with standard SRAM T 8 Tag Bits, always force Dirty or 7 Tag Bits, 1 Dirty bit T Supports cache size of 128K to 1M with 32Kx8, 64Kx8, 128Kx8 T Supports 2-1-1-1 read burst timing T Write hit 0 wait support DRAM Controller T Supports 5V/3V EDO DRAM T Flexible DRAM type & Timing support T Supports up to 128M bytes, 4-bank DRAM size T Supports hidden refresh and RAS only normal refresh Built in RTC & KBC T Built in 128 byte RTC & MC14069 T Built in KBC & 7406 Built in IDE Controller T Dedicated IDE pins, concurrent with PCI bus T 4x32 bits Read-Ahead buffer and Write-Post buffer support T Supports through ATA PIO mode 3, 4 harddisk...