MYLEX CORPORATION MVE486 Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard DRAM128MB Cache 64/128/256KB BIOS MYLEX Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 COM1 Speaker P19 Serial port 2 COM2 Power LED & keylock P20 Parallel port P4 IDE interface LED P21 Floppy drive P5 Turbo LED P23 interface IDE interface port P8 32-bit VESA Local bus S1 slot Reset switch P18 32-bit VESA Local bus S2 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter J1 On » Factory configured - do not alter J2 pins 2 & 3 closed » Factory configured - do not alter J3 pins 1 & 2 closed » Factory configured - do not alter J4 Open » Factory configured - do not alter J8 Closed » Factory configured - do not alter J12 Closed » Factory configured - do not alter J16 Closed » Factory configured - do not alter J17 Closed » Factory configured - do not alter J19 Closed » Factory configured - do not alter J21 Closed » Factory configured - do not alter J23 Closed » Factory configured - do not alter J30 Open » Monitor type select color P1 Closed Monitor type select monochrome P1 Open CACHE CONFIGURATION Size Max Cachable Bank 0 Bank 1 TAG 0 TAG 1 64KB 16MB (4) 8K x (4) 8K x (1) 8K NONE 8 8 x 8 128KB 32MB (4) 32K x NONE (1) 8K NONE 8 x 8 256KB 63MB (4) 32K x (4) 32K x (1) 8K (1) 8K x 8 8 x 8 8 CACHE JUMPER CONFIGURATION Size J11 J18 J20 J22 J24 64KB pins 2 & 3 Open Open Open Open closed 128KB pins 1 & 2 Open Closed Open Closed closed 256KB pins 2 & 3 Closed Closed Closed Closed closed CPU TYPE CONFIGURATION Type J7 J13 80486SX pins 2 & 3 closed Open 80487SX pins 1 & 2 and 3 & 4 pins 1 & 2 closed closed 80486DX pins 1 & 2 and 3 & 4 pins 2 & 3 closed closed ODP486SX pins 1 & 2 and 3 & 4 pins 1 & 2 closed closed 80486DX2 pins 1 & 2 and 3 & 4 pins 2 & 3 closed closed CPU SPEED CONFIGURATION Speed J5 J6 J25 J26 J27 J28 J29 20MHz pins pins Open Open Closed Open Open 1 & 2 1 & 2 25MHz pins pins Closed Open Open Open Closed 2 & 3 1 & 2 33MHz pins pins Open Closed Open Open Closed 2 & 3 1 & 2 50i pins pins Closed Open Open Open Closed MHz 2 & 3 1 & 2 50MHz pins pins Closed Closed Open Closed Closed 2 & 3 2 & 3 66i pins pins Open Closed Open Open Closed MHz 2 & 3 1 & 2 Note:Pins designated should be in the closed position. LOCAL BUS ENABLE JUMPERS Setting J9 J10 J14 J15 Enabled pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 Disabled pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 Note:Pins designated should be in the closed position. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 512K x None None None 36 4MB (1) 512K x (1) 512K x None None 36 36 4MB (1) 1M x 36 None None None 6MB (1) 512K x (1) 1M x 36 None None 36 6MB (1) 512K x (1) 512K x (1) 512K x None 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 None None 8MB (1) 2M x 36 (1) 2M x 36 None None 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 10MB (1) 512K x (1) 2M x 36 None None 36 12MB (1) 1M x 36 (1) 2M x 36 None None 12MB (1) 512K x (1) 512K x (1) 2M x 36 None 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 14MB (1) 512K x (1) 1M x 36 (1) 2M x 36 None 36 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 4M x 36 None None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 None 36 20MB (1) 512K x (1) 512K x (1) 2M x 36 (1) 2M x 36 36 36 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 None 22MB (1) 512K x (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 None 26MB (1) 512K x (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36 28MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 8M x 36 None None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 None 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 None 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 48MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 None DRAM CONFIGURATION (CONT.) Size Bank 0 Bank 1 Bank 2 Bank 3 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 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 None 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36