DASH COMPUTER, INC. 486 VL3 CACHE (MV035E) Device Type Mainboard Processor 80486SX/80487SX/80486DX/CX M6/CX M7/P24C/P24D/P24T Processor Speed 25/33/40/50(internal)/50/66(internal)/100(internal)MHz Chip Set OPTI Video Chip Set None Maximum Onboard 128MB Memory Maximum Video None Memory Cache 64/128/256/512KB BIOS Award Dimensions 250mm x 220mm I/O Options 32-bit VESA local bus slots (3), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Speaker JP38 Power LED & keylock J22 Green PC connector JP39 Green PC connector JP6 Green PC LED JP41 Turbo LED JP34 Reset switch S1 Turbo switch JP36 32-bit VESA local bus SL1 – SL3 slots USER CONFIGURABLE SETTINGS Function Label Position Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » CMOS memory normal operation JP2 Pins 2 & 3 closed CMOS memory clear JP2 Pins 1 & 2 closed » Factory configured - do not alter JP7 Closed » Factory configured - do not alter JP31 Pins 2 & 3 closed DRAM CONFIGURATION 1 Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 None None None 2MB (4) 256K x 9 (1) 256K x None None 36 4MB (4) 1M x 9 None None None 4MB (4) 256K x 9 (1) 256K x (1) 256K x (1) 256K x 36 36 36 5MB (4) 256K x 9 (1) 1M x 36 None None 6MB (4) 256K x 9 (1) 256K x (1) 1M x 36 None 36 8MB (4) 1M x 9 (1) 1M x 36 None None 8MB (4) 1M x 9 None (1) 1M x 36 None 10MB (4) 256K x 9 (1) 256K x (1) 1M x 36 (1) 1M x 36 36 12MB (4) 1M x 9 None (1) 1M x 36 (1) 1M x 36 16MB (4) 4M x 9 None None None 16MB (4) 1M x 9 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (4) 256K x 9 (1) 4M x 36 None None 20MB (4) 1M x 9 (1) 4M x 36 None None 20MB (4) 1M x 9 None (1) 4M x 36 None 32MB (4) 4M x 9 (1) 4M x 36 None None 64MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 80MB (4) 4M x 9 (1) 16M x 36 None None 96MB (4) 4M x 9 (1) 16M x 36 (1) 4M x 36 None 112MB (4) 4M x 9 (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 Bank 3 1MB None (1) 256K x None None 36 4MB None (1) 1M x 36 None None 8MB None (1) 1M x 36 (1) 1M x 36 None 12MB None (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB None (1) 4M x 36 None None 20MB None (1) 1M x 36 (1) 4M x 36 None 32MB None (1) 4M x 36 (1) 4M x 36 None 64MB None (1) 16M x 36 None None 80MB None (1) 16M x 36 (1) 4M x 36 None 96MB None (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 72MB None (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 128MB None (1) 16M x 36 (1) 16M x None 36 DRAM JUMPER CONFIGURATION Configuration JP5 1 Pins 2 & 3 closed 2 Pins 1 & 2 closed 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) 16K x 8 256KB (B) (2) 64K x 32 None (1) 32K x 8 512KB (4) 128K x 8 None (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP8 JP27 JP28 JP43 JP44 64KB 2 & 3 Open Open Open 1 & 2 128KB 1 & 2 Closed Open Open 1 & 2 256KB (A) 2 & 3 Closed Closed Open 2 & 3 256KB (B) 2 & 3 Closed Closed Open 1 & 2 512KB 1 & 2 Closed Closed Closed 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION Speed JP16 JP17 JP18 25MHz Open Open Open 33MHz Open Closed Closed 40MHz Open Closed Open 50iMHz Open Open Open 50MHz Open Open Closed 66iMHz Open Closed Closed 100iMHz Open Closed Closed CPU TYPE SELECTION Type JP9 JP11 JP12 JP13 JP15 JP23 JP32 80486SX Open 1 & 2 Open Open Open 2 & 3 Open 80487SX Open 1 & 2 Open 2 & 3 Open 1 & Open 2, 3 & 4 80486DX Open 1 & 2 Open 1 & 2 Open 1 & Open 2, 3 & 4 CX M6 Closed 2 & 3 2 & 3 Open Open 2 & 3 1 & 2 CX M7 Closed 2 & 3 2 & 3 1 & 2 Open 1 & Open 2, 3 & 4 P24C Open 1 & 2 Open 1 & 2 Open 1 & Open 2, 3 & 4 P24D Open 2 & 3 Open 1 & 2 Closed 1 & 2 & 3 2, 3 & 4 P24T Open 2 & 3 Open 1 & 2 Open 1 & Open 2, 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (SL/NON-SL CPU) Type JP10 JP12 JP20 JP21 SL-enhanced Open Open Open Open Non SL-enhanced Closed Pins 1 & 2 Closed Closed closed CPU TYPE SELECTION (CX M7) Type JP22 All CPU types Open CX M7 2x Closed CPU TYPE SELECTION (P24D ONLY) Type JP19 Write through Pins 2 & 3 closed Write back Pins 1 & 2 closed CPU MULTIPLIER SELECTION (80486DX4 ONLY) Multiplier JP30 2x Pins 1 & 2 closed 2.5x Pins 2 & 3 closed 3x Open CPU VOLTAGE SELECTION Voltage JP29 3.45v Pins 3 & 5, 4 & 6 closed 5v Pins 1 & 3, 2 & 4 closed VL BUS WAIT STATE SELECTION Setting JP35 0 Open 1 Closed VL BUS SPEED SELECTION Speed JP33 JP37 <= 33MHz Pins 2 & 3 closed Open >33 MHz Pins 1 & 2 closed Closed