AQUARIUS SYSTEMS, INC. MB-4DUVC MODEL 2 Processor CX486S/80486SX/SL80486SX/80486SX2/SL80486SX2/CX486DX/AM486DX/ 80486DX/SL80486DX/UMCU5S/CX486DX2/AM486DX2/(SL)AM486DX2/ (SL)AM486DXL2/SL80486DX2/P24D/AM486DX4/(SL)am486dxl4/80486DX4/ Pentium Overdrive/CXM1 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)100(internal)MHz Speed Chip Set UMC Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 250mm x 220mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED D1 Turbo switch JP27 External battery JP1 Speaker JP28 Green PC connector JP25 Power LED & keylock JP29 Reset switch JP26 32-bit VESA local SL1 - SL3 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position Battery type select internal JP1 pins 2 & 3 closed Battery type select external JP1 Closed CMOS memory clear JP1 pins 3 & 4 closed Flash BIOS voltage select 5v JP2 pins 1 & 2 closed Flash BIOS voltage select 12v JP2 pins 2 & 3 closed Keyboard controller IC U2 not JP3 Closed installed Keyboard controller IC U2 JP3 Open installed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 512K x NONE NONE NONE 36 3MB (1) 512K x (1) 256K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 512K x (1) 256K x NONE (1) 256K x 36 36 36 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 512K x (1) 1M x 36 NONE NONE 36 8MB (1) 2M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 10MB (1) 1M x 36 (1) 512K x (1) 1M x 36 NONE 36 10MB (1) 2M x 36 (1) 512K x NONE NONE 36 10MB (1) 256K x (1) 2M x 36 (1) 256K x NONE 36 36 12MB (1) 2M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 2M x 36 (1) 1M x 36 NONE (1) 1M x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 256K x NONE (1) 4M x 36 NONE 36 18MB (1) 256K x (1) 4M x 36 (1) 256K x NONE 36 36 18MB (1) 512K x (1) 4M x 36 NONE NONE 36 19MB (1) 256K x (1) 256K x (1) 256K x (1) 4M x 36 36 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 22MB (1) 512K x (1) 4M x 36 NONE (1) 1M x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 24MB (1) 2M x 36 (1) 4M x 36 NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP7 JP8 JP9 JP10 64KB Open Open Open 2 & 3 128KB Open Closed 1 & 2 1 & 2 256KB (A) Closed Closed 2 & 3 2 & 3 256KB (B) Closed Closed 1 & 2, 3 & 1 & 2 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP11 JP12 JP13 CX486S 1 & 2, 3 & 4 1 & 2, 3 & 4, 2 & 3 5 & 6 80486SX Open 2 & 3 2 & 3 SL80486SX 1 & 2 1 & 2 2 & 3 80486SX2 Open 2 & 3 2 & 3 SL80486SX2 1 & 2 1 & 2 2 & 3 CX486DX 1 & 2, 3 & 4 1 & 2, 3 & 4, 1 & 2, 3 & 4 5 & 6 AM486DX Open 2 & 3 1 & 2, 3 & 4 80486DX Open 2 & 3 1 & 2, 3 & 4 SL80486DX 1 & 2 1 & 2 1 & 2, 3 & 4 UMC U5S 2 & 3 2 & 3 2 & 3 CX486DX2 1 & 2, 3 & 4 1 & 2, 3 & 4, 1 & 2, 3 & 4 5 & 6 AM486DX2 Open 2 & 3 1 & 2, 3 & 4 (SL)AM486DX2 Open 2 & 3 1 & 2, 3 & 4 (SL)AM486DXL2 2 & 3 2 & 3 1 & 2, 3 & 4 SL80486DX2 1 & 2 1 & 2 1 & 2, 3 & 4 P24D 1 & 2, 4 & 5 1 & 2, 4 & 5 1 & 2, 3 & 4 AM486DX4 (2x) Open 2 & 3 1 & 2, 3 & 4 AM486DX4 (3x) Open 2 & 3 1 & 2, 3 & 4 (SL)AM486DXL4 (2x) 2 & 3 2 & 3 1 & 2, 3 & 4 (SL)AM486DXL4 (3x) 2 & 3 2 & 3 1 & 2, 3 & 4 80486DX4 1 & 2 1 & 2 1 & 2, 3 & 4 Pentium Overdrive 1 & 2 1 & 2 1 & 2, 3 & 4 CX M1 1 & 2, 4 & 5 1 & 2, 3 & 4 1 & 2, 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP17 JP18 JP19 JP35 CX486S Open 2 & 3, 4 2 & 3, 4 Open & 5 & 5 80486SX Open Open Open Open SL80486SX Open 5 & 6 1 & 2, 3 Open & 4 80486SX2 Open Open Open Open SL80486SX2 Open 5 & 6 1 & 2, 3 Open & 4 CX486DX 1 & 2 2 & 3, 4 2 & 3 Open & 5 AM486DX 1 & 2 Open Open Open 80486DX 1 & 2 Open Open Open SL80486DX 1 & 2 5 & 6 1 & 2, 3 Open & 4 UMC U5S 3 & 4 1 & 2 Open Open CX486DX2 1 & 2 2 & 3, 4 2 & 3 Open & 5 AM486DX2 1 & 2 Open Open Open (SL)AM486DX2 1 & 2 Open Open Closed (SL)AM486DXL2 1 & 2, 3 1 & 2 Open Open & 4 SL80486DX2 1 & 2 5 & 6 1 & 2, 3 Open & 4 P24D 1 & 2 3 & 4, 5 1 & 2, 3 Open & 6 & 4 AM486DX4 (2x) 1 & 2 Open Open Closed AM486DX4 (3x) 1 & 2 Open Open Open (SL)AM486DXL4 (2x) 1 & 2, 3 1 & 2 Open Closed & 4 (SL)AM486DXL4 (3x) 1 & 2, 3 1 & 2 Open Open & 4 80486DX4 1 & 2 5 & 6 1 & 2, 3 Open & 4 Pentium Overdrive 2 & 3 5 & 6 1 & 2, 3 Open & 4 CX M1 1 & 2 3 & 4, 5 1 & 2, 3 Open & 6 & 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP4 JP5 JP6 25MHz Open Open Closed 33MHz Closed Closed Closed 40MHz Open Closed Closed 50iMHz Open Open Closed 50MHz Closed Open Open 66iMHz Closed Closed Closed 75iMHz Open Open Closed 100iMHz Closed Closed Closed CPU SPEED CONFIGURATION (CX M1 & DX4 ONLY) Speed JP20 CX M1 pins 4 & 5 closed Intel CPU 2x pins 2 & 3 closed CX CPU 2x pins 2 & 3, 4 & 5 closed Intel CPU 2.5x pins 1 & 2 closed Intel CPU 3x Open CPU VOLTAGE CONFIGURATION Voltage JP14 JP15 JP16 JP23 JP32 JP33 JP34 3.3v 1 & 2 1 & 2 1 & 2 Open Closed Open Open 3.45v 1 & 2 1 & 2 1 & 2 Closed Open Open Open 3.6v 1 & 2 1 & 2 1 & 2 Open Open Closed Open 4v 1 & 2 1 & 2 1 & 2 Open Open Open Closed 5v 2 & 3 2 & 3 2 & 3 Open Open Open Open Note: Pins designated should be in the closed position. VL BUS WAIT STATE CONFIGURATION Wait states JP22 0 wait states Open 1 wait state Closed VL BUS SPEED CONFIGURATION CPU speed JP21 <= 33MHz Open > 33MHz Closed