SPECIFICATION H I P P O - D C A 2 486 VESA MOTHERBOARD Processor: Processor Type Intel 486SX-25/33, 486DX-33, 486DX2-50/66 Intel 486DX4-100, Intel P24T AMD 486DX-33, 486DX2-50/66 Cyrix 486DX-33, 486DX2-50/66 Speed (in MHz) 25 / 33 / 50 / 66 / 100 CPU detection Automatic, electronic clock synthesis circuitry CPU voltage detection Automatic voltage conversion circuitry Cache Architecture: Internal Cache 8KB 4-way set associative cache External Cache Dynamic Cache Architecture II (DCA2) running at CPU speed QUICKCACHE rated upto 88MHz Memory Subsystem: Quickcache Simm sockets 2 x 72 pin 4MB / 8MB QUICKCACHE modules DRAM Simm sockets 3 x 72 pin 4MB / 8MB / 16MB DRAM modules Max. Memory Size 64MB Mixed Memory Type Support mixed QUICKCACHE / DRAM modules Memory Width 32-bit QUICKCACHE & DRAM Enhancement Fast Page Mode and Hidden Refresh supported BIOS Subsystem BIOS Type AMI / Microid Research BIOS Shadowing Shadow RAM for System and Video BIOS BIOS Features Built-in setup, Power-on self test, Drive table optimization, User- definable drive types, Password protection, Shadowing options Input/Output Subsystem VESA bus slots 3 x 32-bit VL-Bus slots (1 slave, 2 master/slave) ISA bus slots 7 x 16-Bit ISA slots 1 x 8-Bit ISA slot I/O bus speed Upto 33MHz (VESA bus) Power Management Green functions Support Deep Green Functions (Hardware controlled) System Support Functions System functions 7 DMA channels, 16 level interrupts, Programmable timers Support functions Fast A20 gate and Fast Reset Clock Real time clock/calender with battery back-up Other Features Power good On board power good signal generation Switches Hardware Turbo, Reset, Keylock switches Size 8.5" (W) x 11" (L)