MICRONICS COMPUTERS, INC. LPX30WB REV. 3A Processor 80486SX/CX486DX/80486DX/AM486DXL/CX486DX2/80486DX2/SL80486DX2/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Micronics Max. 128MB Onboard DRAM Cache 128KB BIOS Phoenix Dimensions 260mm x 218mm I/O Riser card slot, floppy drive interface, IDE interface, parallel port, PS/2 Options mouse port, serial ports (2), VGA feature connector, VGA port NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location VGA feature connector CN1 Turbo switch J18 PS/2 mouse port J6 Turbo LED J19 Serial port 1 J10 Power LED & keylock J20 Serial port 2 J11 Reset switch J21 Parallel port J12 Power module J22 connector IDE interface (primary) J13 IDE interface LED J23 IDE interface J14 VGA port J31 (secondary) Floppy drive interface J15 Riser card slot SL1 & SL2 Speaker J17 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J9 N/A alter » Factory configured - do not W1 N/A alter » Monitor type select color W2 Closed Monitor type select monochrome W2 Open » Flash BIOS normal mode W4 Open Flash BIOS programing mode W4 Closed » CMOS memory normal operation W5 pins 1 & 2 closed CMOS memory clear W5 pins 2 & 3 closed » VESA IDE controller enabled W7 pins 1 & 2 closed VESA IDE controller disabled W7 pins 2 & 3 closed » IDE controller enabled W8 pins 2 & 3 closed IDE controller disabled W8 pins 1 & 2 closed » Buzzer enabled W31 Closed Buzzer disabled W31 Open » On-board VGA IRQ9 disabled W35 Open On-board VGA IRQ9 enabled W35 Closed » Factory configured - do not W40 N/A alter » Factory configured - do not W41 N/A alter 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 TAG0 TAG1 128KB (4) 32K x 8 NONE (1) 8K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size W13 W14 W15 W17 None Open Open Open Open 128KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed CPU TYPE CONFIGURATION Type W11 W12 W18 W19 W20 80486SX 2 & 3 Open Open 2 & 3 Open CX486DX 1 & 2, 3 & 4 Open 2 & 3 1 & 2 3 & 4 80486DX 1 & 2, 3 & 4 Open 2 & 3 Open 3 & 4 AM486DXL 1 & 2, 3 & 4 Open 2 & 3 Open 3 & 4 CX486DX2 1 & 2, 3 & 4 Open 2 & 3 1 & 2 3 & 4 80486DX2 1 & 2, 3 & 4 Open 2 & 3 2 & 3 3 & 4 80486DX2 (WB) 1 & 2, 3 & 4 Open 1 & 2 2 & 3 3 & 4 SL80486DX2 1 & 2, 3 & 4 Open 2 & 3 2 & 3 3 & 4 80486DX4 1 & 2, 3 & 4 Open 2 & 3 2 & 3 3 & 4 Pentium 1 & 2, 3 & 4 Open 1 & 2 2 & 3 Overdrive 3 & 4 Note: Pins designated should be in closed position. CPU TYPE CONFIGURATION (CON’T) Type W21 W22 W23 W24 80486SX Open Open pins 1 & 2 pins 2 & 3 closed closed CX486DX Open Open pins 2 & 3 pins 1 & 2 closed closed 80486DX Open Open pins 1 & 2 pins 2 & 3 closed closed AM486DXL Open Open pins 1 & 2 pins 2 & 3 closed closed CX486DX2 Open Open 2 & 3 pins 1 & 2 closed 80486DX2 Open Open pins 1 & 2 pins 2 & 3 closed closed 80486DX2 (WB) Closed pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed SL80486DX2 Open Open pins 1 & 2 pins 2 & 3 closed closed 80486DX4 Open Open pins 1 & 2 pins 2 & 3 closed closed Pentium Open Open pins 1 & 2 pins 1 & 2 Overdrive closed closed CPU TYPE CONFIGURATION Type W25 W26 W27 W28 80486SX Open Open Open Open CX486DX 2 & 3 2 & 3 2 & 3 2 & 3 80486DX Open Open Open Open AM486DXL Open Open Open Open CX486DX2 2 & 3 2 & 3 2 & 3 2 & 3 80486DX2 Open Open Open Open 80486DX2 (WB) 1 & 2 4 & 5 1 & 2 1 & 2, 3 & 4 SL80486DX2 Open 4 & 5 Open 3 & 4 80486DX4 Open 4 & 5 Open 3 & 4 Pentium 1 & 2 1 & 2 1 & 2 3 & 4 Overdrive CPU SPEED CONFIGURATION Speed W9 W10 25MHz Open Open 33MHz Closed Closed 40MHz Open Closed 50iMHz Open Open 66iMHz Closed Closed 75iMHz Open Open 100iMHz Closed Closed IRQ CONFIGURATION IRQ W32 W33 IRQ14 pins 2 & 3 closed pins 1 & 2 closed IRQ15 pins 1 & 2 closed pins 2 & 3 closed VGA CONFIGURATION VGA W34 W39 Enabled pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed VRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 512MB (1) 256K x 16 NONE NONE 1MB (1) 256K x 16 (1) 256K x 16 NONE 2MB (1) 256K x 16 (1) 256K x 16 (1) 256K x 16