MICRONICS COMPUTERS, INC. M4PE (VER. 2A) Processor 80486SX/SL80486SX/80486DX/SL80486DX/80486DX2/SL80486DX2/ 80486DX4/Pentium Overdrive Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Intel Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Phoenix Dimensions 355mm x 305mm I/O PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI Options slots (3), floppy drive interface, IDE interfaces (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port J2 External battery W11 Speaker J5 Power LED & keylock W12 Parallel port J8 Reset switch W15 Floppy drive interface J9 Turbo switch W29 Serial port 2 J10 Turbo LED W38 Serial port 1 J11 IDE interface LED 1 W39 IDE interface 1 J21 IDE interface LED 2 W46 IDE interface 2 J22 32-bit PCI slots PC1 - PC3 Chassis fan power J102 USER CONFIGURABLE SETTINGS Function Jumper Position » IRQ jumper header disabled J101 Open IRQ jumper header enabled J101 Closed » Level 2 cache type select write W1 pins 2 & 3 back closed Level 2 cache type select write W1 pins 1 & 2 through closed » Cache type select write through W4 Open Cache type select write back W4 Closed » Factory configured - do not W6 pins 2 & 3 alter closed » Factory configured - do not W8 Closed alter » PS/2 mouse installed W10 Closed PS/2 mouse not installed W10 Open » DPU generates parity W17 pins 1 & 2 closed CPU generates parity W17 pins 2 & 3 closed » DPU forces parity error W18 pins 1 & 2 closed DPU does not force parity error W18 pins 2 & 3 closed » Factory configured - do not W19 Closed alter » Cache installed W21 Open Cache not installed W21 Closed » Level 2 cache wait state 0 wait W25 Open states Level 2 cache wait state 1 wait W25 Closed state » PCI IDE IRQ14 enabled W35 Closed PCI IDE IRQ14 disabled W35 Open » PCI IDE INT A disabled W37 Closed PCI IDE INT A enabled W37 Open » PCI IDE IRQ15 disabled W38 Closed PCI IDE IRQ15 enabled W38 Open » ISA IDE IRQ select IRQ15 W42 pins 2 & 3 closed ISA IDE IRQ select IRQ14 W42 pins 1 & 2 closed » Factory configured - do not W50 Open alter » Parity check enabled W60 Closed Parity check disabled W60 Open Note: The location of W60 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 2M 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 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 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 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) 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 512KB NONE (4) 128K x 8 (1) 32K x 8 Note: Bank 0 is factory installed and is not configurable. If 512KB is used, the onboard cache is disabled. The location of the TAG is unidentified. CACHE JUMPER CONFIGURATION Size W5 W22 W23 W51 128KB Open Closed Open Open 256KB Closed Open Closed Open 512KB Closed Open Open Closed CACHE TAG CONFIGURATION Size W24 W26 7-bit Open Closed 8-bit Closed Closed 9-bit Closed Open CPU TYPE CONFIGURATION Type W2 W3 W33 80486SX pins 2 & 3 Closed Open closed 80486DX pins 1 & 2, 3 & Closed Open 4 closed 80486DX2 pins 1 & 2, 3 & Closed Open 4 closed 80486DX4 pins 1 & 2, 3 & Closed Open 4 closed 80486DX4 (2x) pins 1 & 2, 3 & Closed pins 2 & 3 4 closed closed Pentium Overdrive pins 1 & 2, 3 & Open Open 4 closed CPU TYPE CONFIGURATION Type W34 W45 W52 W53 Non SL-enhanced Open Open pins 1 & 2 Open closed SL-enhanced Closed Closed pins 2 & 3 Closed closed CPU SPEED CONFIGURATION Speed W16 W20 25MHz Open Closed 33MHz Closed Open 50iMHz Open Closed 66iMHz Closed Open 75iMHz Open Closed 100iMHz Closed Open DMA CONFIGURATION DMA W43 W44 » PIO transfer Open Open DMA 6 pins 1 & 2 closed pins 1 & 2 closed DMA 7 pins 2 & 3 closed pins 2 & 3 closed