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M1489 Datasheet 486 PCI Chip Set

Manufacturer: ALi

Overview: 0 3UHOLPLQDU'DWD6KHHW M1489/M1487: 486 PCI Chip Set.

Download the M1489 datasheet PDF. This datasheet also includes the M1487 variant, as both parts are published together in a single manufacturer document.

Datasheet Details

Part number M1489
Manufacturer ALi
File Size 3.35 MB
Description 486 PCI Chip Set
Download M1489 Download (PDF)

Key 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 Su.