MICRONICS COMPUTERS, INC. LPM30 (REV. 3A) Processor 80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/ AM486DX2/80486DX2/SL80486DX2/AM486DX4/80486DX4/ Pentium Overdrive Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Micronics Max. 128MB Onboard DRAM Cache 128/256KB BIOS Phoenix Dimensions 330mm x 218mm I/O Riser card slot, floppy drive interface, game port, IDE Options interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, LAN connector, modem port, audio connector, microphone input, line level input, line level output, speaker port NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Modem connector CN1 Turbo switch J23 Parallel port CN2 Reset switch J24 LAN connector CN3 IDE interface LED J36 Floppy drive interface CN4 PS/2 mouse port S1 IDE interface CN5 Serial port 1 S2 (secondary) IDE interface (primary) CN6 Game port S3 CONNECTIONS (CON’T) Purpose Location Purpose Location Serial port 2 CN7 Microphone input S4 Audio connector CN8 Line level input S5 VGA Feature connector CN9 Line level output S6 Power LED & keylock J19 Speaker port S7 Speaker connector J20 VGA port S8 Power module connector J21 Riser card slot SL1 & SL2 Turbo LED J22 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color W1 Closed Monitor type select monochrome W1 Open » Game port enabled W2 Closed Game port disabled W2 Open » On-board sound address select 240h W3 pins 1 & 2 closed On-board sound address select 220h W3 pins 2 & 3 closed » On-board sound enabled W4 Open On-board sound disabled W4 Closed » IRQ select IRQ5 W5 pins 2 & 3 closed IRQ select IRQ7 W5 pins 1 & 2 closed » On-board sound IRQ select IRQ5 W7 pins 1 & 2 closed On-board sound IRQ select IRQ9 W7 pins 2 & 3 closed » On-board I/O enabled W11 Open On-board I/O disabled W11 Closed » Factory configured - do not alter W13 pins 1 & 2 closed » On-board VGA enabled W14 Open On-board VGA disabled W14 Closed » RAMDAC enabled W15 Open RAMDAC disabled/feature enabled W15 Closed » Factory configured - do not alter W17 Open » Flash BIOS normal mode W18 Open Flash BIOS programing mode W18 Closed » Factory configured - do not alter W19 pins 1 & 2, 3 & 4 closed » Buzzer enabled W20 Closed Buzzer disabled W20 Open » DRAM select standard 5v W21 Open DRAM select micron 12v W21 Closed » CMOS memory normal operation W25 pins 1 & 2 closed CMOS memory clear W25 pins 2 & 3 closed » IDE interface enabled W28 pins 1 & 2 closed IDE interface disabled W28 pins 2 & 3 closed » Factory configured - do not alter W29 pins 2 & 3 closed Note: The location of W17 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 8M x 36 NONE NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 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 72MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 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 W39 W42 128KB pins 1 & 2, 3 & 4 Open closed 256KB pins 2 & 3, 4 & 5 Closed closed CPU TYPE CONFIGURATION Type W22 W23 W30 W31 W32 80486SX 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 SL80486SX 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 CX486DX 1 & 2 2 & 3 1 & 2, 1 & 2 2 & 3 3 & 4 AM486DX 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 80486DX 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 SL80486DX 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 CX486DX2 1 & 2 2 & 3 1 & 2, 1 & 2 2 & 3 3 & 4 AM486DX2 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 80486DX2 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 80486DX2(WB) 1 & 2 1 & 2 1 & 2, 2 & 3 1 & 2 3 & 4 SL80486DX2 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 AM486DXL4 2 & 3 1 & 2 1 & 2, Open 2 & 3 3 & 4 80486DX4 2 & 3 1 & 2 1 & 2, 2 & 3 2 & 3 3 & 4 Pentium Overdrive 1 & 2 1 & 2 1 & 2, 2 & 3 1 & 2 3 & 4 Note: Pins designated should be in closed position. CPU TYPE CONFIGURATION (CON’T) Type W33 W34 W35 W38 W40 80486SX Open Open Open 3 & 4 4 & 5 SL80486SX Open Open 1 & 2 3 & 4 4 & 5 CX486DX Open 1 & 2 Open 3 & 4 2 & 3 AM486DX Open Open Open 1 & 2, 4 & 5 3 & 4 80486DX Open Open Open 3 & 4 4 & 5 SL80486DX Open Open 1 & 2 3 & 4 4 & 5 CX486DX2 Open 1 & 2 Open 3 & 4 2 & 3 AM486DX2 Open Open Open 1 & 2, 4 & 5 3 & 4 80486DX2 Open Open Open 3 & 4 4 & 5 80486DX2(WB) Closed 1 & 2 2 & 3 3 & 4 4 & 5 SL80486DX2 Open Open 1 & 2 3 & 4 4 & 5 AM486DXL4 Open 2 & 3 Open 1 & 2, 4 & 5 3 & 4 80486DX4 Open Open Open 3 & 4 4 & 5 Pentium Open Open Open 2 & 3 1 & 2 Overdrive Note: Pins designated should be in closed position. CPU TYPE CONFIGURATION (CON’T) Type W41 W43 W44 W45 80486SX 3 & 4 1 & 2 Open Open SL80486SX 3 & 4 1 & 2 Open Open CX486DX 2 & 3 2 & 3 Open Open AM486DX Open 1 & 2 Closed 1 & 2 80486DX 3 & 4 1 & 2 Open Open SL80486DX 3 & 4 1 & 2 Open Open CX486DX2 2 & 3 2 & 3 Open Open AM486DX2 Open 1 & 2 Closed 1 & 2 80486DX2 3 & 4 1 & 2 Open Open 80486DX2(WB) 1 & 2, 3 & 1 & 2 Open Open 4 SL80486DX2 3 & 4 1 & 2 Open Open AM486DXL4 Open 1 & 2 Closed Open 80486DX4 3 & 4 1 & 2 Open Open Pentium Overdrive 3 & 4 1 & 2 Open Open Note: Pins designated should be in closed position. CPU SPEED CONFIGURATION Speed W26 W27 25MHz Open Open 33MHz Open Closed 40MHz Closed Open 50iMHz Open Open 66iMHz Open Closed 75iMHz Open Open 100iMHz Open Closed DMA CONFIGURATION DMA W6 W10 None Open Open DMA1 pins 1 & 2 closed pins 1 & 2 closed DMA3 pins 2 & 3 closed pins 2 & 3 closed DRQ CONFIGURATION DRQ W8 W9 None pins 2 & 3 closed pins 2 & 3 closed DRQ0 pins 1 & 2 closed pins 2 & 3 closed DRQ1 pins 2 & 3 closed pins 1 & 2 closed DRQ3 pins 1 & 2 closed pins 1 & 2 closed VRAM CONFIGURATION Size Bank 0 Bank 1 1MB (2) 256K x 16 NONE 2MB (2) 256K x 16 (2) 256K x 16 Note: Bank 0 is factory installed and is not configurable.