ADVANCED LOGIC RESEARCH, INC. MULTIMEDIA EXPRESS Processor 80486SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set ALR Max. Onboard DRAM 36MB Cache 64/128/256KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (1), floppy drive interface, IDE interface, parallel port, PS/2 mouse port,serial ports (2), VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN1 VGA port CN5 Serial port 1 CN2 IDE interface CN6 Serial port 2 CN3 Floppy drive interface CN7 Parallel port CN4 32-bit VESA local bus SL1 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Password check disabled J2 pins 2 & 3 closed Password check enabled J2 pins 1 & 2 closed » On board battery enabled J13 Closed On board battery disabled J13 Open » DRAM parity enabled J14 Open DRAM parity disabled J14 Closed » On board VGA enabled J20 pins 1 & 2 closed On board VGA disabled J20 pins 2 & 3 closed » Keylock enabled J27 pins 2 & 3 closed Keylock disabled J27 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 4MB (8) 512K x 8 NONE NONE 8MB (8) 512K x 8 (1) 1M x 36 NONE 12MB (8) 512K x 8 (1) 1M x 36 (1) 1M x 36 12MB (8) 512K x 8 (1) 2M x 36 NONE 16MB (8) 512K x 8 (1) 1M x 36 (1) 2M x 36 20MB (8) 512K x 8 (1) 4M x 36 NONE 20MB (8) 512K x 8 (1) 2M x 36 (1) 2M x 36 24MB (8) 512K x 8 (1) 1M x 36 (1) 4M x 36 36MB (8) 512K x 8 (1) 4M x 36 (1) 4M x 36 Note: Bank 0 is factory installed and is not configurable. 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 (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J5 J6 J23 J24 64KB pins 2 & 3 pins 2 & 3 Open pins 1 & 2 closed closed closed 128KB pins 1 & 2 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed closed CPU TYPE CONFIGURATION Type J9 J10 J11 80486SX (PQFP) Open Closed Open 80486 (PGA) Open Open Open 80486DX Closed Closed Open 80486DX2 Closed Closed Open Pentium Overdrive Open Closed Closed CPU SPEED CONFIGURATION Speed J17 25MHz pins 4 & 8 closed 33MHz pins 3 & 6 closed 50iMHz pins 4 & 8 closed 66iMHz pins 3 & 6 closed CPU CLOCK CONFIGURATION Gate delay J15 1 gate delay pins 1 & 2 closed 0 gate delays pins 2 & 3 closed VESA CLOCK CONFIGURATION Gate delay J16 1 gate delay pins 1 & 2 closed 0 gate delays pins 2 & 3 closed