MICRONICS COMPUTERS, INC. M4LI (REV. 3A) Processor AM486SX/80486SX/AM486SX2/80486SX2/SL AM486DX/CX486DX/ CX486DX2/80486DX/80486DX2/SL80486DX2/AM486DX4/80486DX4/Pentium Overdrive Processor 25/33/40(internal)/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set SIS Max. 128MB Onboard DRAM Cache 128/256KB BIOS Phoenix Dimensions 241mm x 218mm I/O PS/2 mouse port, PS/2 mouse interface, parallel port, serial port (2), Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN1 IDE interface 2 J25 Turbo switch J2 Speaker J31 Turbo LED J3 Floppy drive J36 interface Power LED & keylock J9 Serial port 1 J37 PS/2 mouse interface J10 Serial port 2 J38 IDE interface 1 J20 Parallel port J39 IDE interface LED J21 32-bit PCI slots PC1 - PC4 Reset switch J23 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J22 N/A alter » Factory configured - do not W19 pins 2 & 3 alter closed » PCI clock speed select CPU clock W20 pins 1 & 2 speed closed PCI clock speed select ½ CPU W20 pins 2 & 3 clock speed closed » PS/2 mouse type select PS/2 W33 Closed version PS/2 mouse type select AT W33 Open version » Factory configured - do not W38 pins 2 & 3 alter closed 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 (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size W23 W34 W35 W36 None Open Open Open Open 128KB Open 1 & 2 1 & 2, 4 & 1 & 2 5 256KB (A) Closed 2 & 3 2 & 3, 4 & 2 & 3 5 256KB (B) Closed 1 & 2 1 & 2, 3 & 2 & 3 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type W8 AM486SX 12 & 13, 15 & 16, 37 & 38, 42 & 43 80486SX 3 & 4, 12 & 13, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 42 & 43 AM486SX2 12 & 13, 15 & 16, 37 & 38, 42 & 43 80486SX2 3 & 4, 12 & 13, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 42 & 43 SL AM486DX 1 & 2, 3 & 4, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 29 & 30, 33 & 34, 36 & 37, 40 & 41, 42 & 43 CX486DX 2 & 3, 6 & 7, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 18 & 19, 21 & 22, 24 & 25, 37 & 38, 40 & 41 80486DX 3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 40 & 41, 42 & 43 CX486DX2 2 & 3, 6 & 7, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 18 & 19, 21 & 22, 24 & 25, 37 & 38, 40 & 41 80486DX2 (WB) 1 & 2, 3 & 4, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 29 & 30, 33 & 34, 36 & 37, 40 & 41, 42 & 43 80486DX2 3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 40 & 41, 42 & 43 AM486DX4 3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 40 & 41, 42 & 43 80486DX4 3 & 4, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 26 & 27, 37 & 38, 40 & 41, 42 & 43 P24T 3 & 4, 5 & 6, 8 & 9, 11 & 12, 13 & 14, 15 & 16, 19 & 20, 21 & 22, 23 & 24, 36 & 37, 39 & 40, 42 & 43 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed W15 W16 25MHz Open Open 33MHz Closed Closed 40MHz Open Closed 50iMHz Open Open 66iMHz Closed Closed 75iMHz Open Open 100iMHz Closed Closed CPU VOLTAGE CONFIGURATION Size J4 3.3v Open 4v Open 5v pins 3 & 5, 4 & 6, 7 & 9, 8 & 10 closed