CSS LABORATORIES, INC. MAXSYS 486MTE/VL Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard 256MB (128MB on CPU module) DRAM Cache 64/128/256/512KB BIOS AMI Dimensions 330mm x 218mm I/O Options CPU module slot, 32-bit VESA local bus slot (1), floppy drive interface, IDE interface, parallel port, serial ports (2) NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Speaker J4 Serial port 2 PJ4 Power LED & J5 IDE interface PJ5 keylock IDE interface LED J38 Parallel port PJ2A (alternate) Equipment panel J39 Serial port 1 PJ3A connector (alternate) IDE interface LED J40 Serial port 2 PJ4A (alternate) Turbo LED/reset J41 Keyboard connector J11A switch (alternate) Floppy drive PJ1 Keyboard connector J11B interface (alternate) Parallel port PJ2 CPU module slot SL1 Serial port 1 PJ3 32-bit VESA Local SL2 bus slot Note: The keyboard, parallel and serial connections marked "alternate" are used for easier placement of cables. Do not use a primary and an alternate connection jointly. USER CONFIGURABLE SETTINGS Function Jumper Position » On board floppy controller J1 pins 2 & 3 enabled closed On board floppy controller J1 pins 1 & 2 disabled closed » On board IDE controller enabled J2 pins 2 & 3 closed On board IDE controller disabled J2 pins 1 & 2 closed » CPU bus clock select synchronous JP1 pins 1 & 2 closed CPU bus clock select asynchronous JP1 pins 2 & 3 closed » Monitor type select color JP9 pins 2 & 3 closed Monitor type select monochrome JP9 pins 1 & 2 closed Factory configured - do not alter JP20 Open SERIAL PORT CONFIGURATION Port 1 PJ6 S0 S1 Disabled N/A pins 1 & 2 pins 1 & 2 closed closed COM1 IRQ4 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed COM2 IRQ3 pins 1 & 3 pins 1 & 2 pins 2 & 3 closed closed closed SERIAL PORT CONFIGURATION Port 2 PJ6 S2 S3 Disabled N/A pins 1 & 2 pins 1 & 2 closed closed COM1 IRQ4 pins 2 & 4 pins 1 & 2 pins 2 & 3 closed closed closed COM2 IRQ3 pins 3 & 4 pins 2 & 3 pins 2 & 3 closed closed closed PARALLEL PORT CONFIGURATION Port P0 P1 PRT Disabled pins 1 & 2 pins 1 & 2 N/A closed closed LPT 1 IRQ7 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed LPT 2 IRQ5 pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed LPT 3 IRQ 7 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (4) 1M x 9 NONE NONE NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 24MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 NONE 28MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 28MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 36MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 40MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 40MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 52MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 52MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE NONE NONE 128MB (4) 16M x 9 (4) 16M x 9 NONE NONE 196MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 NONE 256MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 Note: Banks 2 & 3 are located on the CPU module board. CPU SPEED CONFIGURATION Speed JP6 JP7 25MHz Open Open 33MHz Open Closed 50iMHz Open Open 50MHz Closed Closed 66iMHz Open Closed [Image] USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP8 Open alter » Factory configured - do not JP77 Open alter BASE MEMORY CONFIGURATION Memory JP20 JP21 384KB pins 2 & 3 closed Open 512KB pins 2 & 3 closed Closed 640KB pins 1 & 2 closed N/A CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 128KB (4) 16K x 8 (4) 16K x 8 256KB (4) 32K x 8 (4) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 CACHE CONFIGURATION (TAG) Size U55 U56 U72 64KB (1) 8K x 8 NONE (1) 16K x 1 or (1) 64K x 1 128KB (1) 8K x 8 NONE (1) 16K x 1 or (1) 64K x 1 256KB (1) 8K x 8 (1) 8K x 8 (1) 16K x 1 or (1) 64K x 1 512KB (1) 32K x 8 NONE (1) 64K x 1 CACHE JUMPER CONFIGURATION Size JP2 JP3 JP4 JP5 JP16 JP17 JP18 64KB 2 & Open Open Open Open Open Open 3 128KB 1 & Closed Open Open Closed Open Open 2 256KB 2 & Closed Closed Open Closed Closed Open 3 512KB 1 & Closed Closed Closed Closed Closed Closed 2 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP12 25MHz pins 2 & 3 closed 33MHz pins 2 & 3 closed 50iMHz pins 2 & 3 closed 50MHz pins 1 & 2 closed 66iMHz pins 2 & 3 closed CPU TYPE CONFIGURATION Type JP10 JP11 80486SX pins 2 & 3 closed Open 80487SX pins 1 & 2, 3 & 4 pins 1 & 2 closed closed 80486DX/DX2 pins 1 & 2, 3 & 4 pins 2 & 3 closed closed Overdrive pins 1 & 2, 3 & 4 pins 1 & 2 closed closed