MICRONICS COMPUTERS, INC. JX30WB Processor SL80486SX/80486SX/80487SX/CX486M7/AM486DXL/SL80486DX/80486DX/ SL80486DX2/80486DX2/80486DX4/P24CT/P24D/Pentium Overdrive Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Micronics Max. 128MB Onboard DRAM Cache 128/256/512/1024KB BIOS Phoenix Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), floppy drive interface, green Options PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse interface J1 IDE interface LED J16 Auxiliary keyboard J4 Speaker J17 connector External battery J9 Turbo switch J18 Serial port 1 J10 Turbo LED J19 Serial port 2 J11 Power LED & keylock J20 Parallel port J12 Reset switch J21 IDE interface J13 32-bit VESA local SL1 & SL2 (primary) bus slots IDE interface J14 Green PC connector W6 (secondary) Floppy drive J15 interface USER CONFIGURABLE SETTINGS Function Jumper Position » Flash BIOS normal operation W1 pins 2 & 3 closed Flash BIOS recovery W1 pins 1 & 2 closed » Monitor type select color W2 Closed Monitor type select monochrome W2 Open » CMOS memory normal operation W5 pins 1 & 2 closed CMOS memory clear W5 pins 2 & 3 closed » Primary IDE interface enabled W7 pins 1 & 2 closed Primary IDE interface disabled W7 pins 2 & 3 closed » Parallel port IRQ select IRQ7 W8 pins 1 & 2 closed Parallel port IRQ select IRQ5 W8 pins 2 & 3 closed » Factory configured - do not W16 pins 2 & 3 alter closed » Factory configured - do not W29 Open alter » Flash BIOS write protect enabled W31 Closed Flash BIOS write protect W31 Open disabled DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 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) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 128K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 128K x 8 CACHE JUMPER CONFIGURATION Size W13 W14 W15 W17 W30 128KB 1 & 2 1 & 2 1 & 2 1 & 2, 3 Open & 4 256KB 2 & 3 2 & 3 1 & 2 2 & 3, 4 Open & 5 512KB 2 & 3 1 & 2 1 & 2 1 & 2, 3 1 & 2 & 4 1MB 2 & 3 2 & 3 2 & 3 2 & 3, 4 1 & 2 & 5 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type W11 W12 W18 W19 SL80486SX 2 & 3 Open Open 2 & 3 80486SX 2 & 3 Open Open 2 & 3 80487SX 2 & 3 1 & 2 Open 2 & 3 CX486M7 (3.3v) 1 & 2, 3 & 2 & 3 Open 2 & 3 4 CX486M7 (5v) 1 & 2, 3 & 2 & 3 Open 2 & 3 4 AM486DXL 1 & 2, 3 & 2 & 3 Open 2 & 3 4 SL80486DX 1 & 2, 3 & 2 & 3 Open 2 & 3 4 80486DX 1 & 2, 3 & 2 & 3 Open 2 & 3 4 SL80486DX2 1 & 2, 3 & 2 & 3 Open 2 & 3 4 80486DX2 1 & 2, 3 & 2 & 3 Open 2 & 3 4 80486DX4 (2x) 1 & 2, 3 & 2 & 3 2 & 3 2 & 3 4 80486DX4 (2.5x) 1 & 2, 3 & 2 & 3 1 & 2 2 & 3 4 80486DX4 (3x) 1 & 2, 3 & 2 & 3 Open 2 & 3 4 P24CT 1 & 2, 3 & 1 & 2 Open 1 & 2 4 P24D 1 & 2, 3 & 2 & 3 Open 1 & 2 4 P24T 1 & 2, 3 & 1 & 2 Open 1 & 2 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type W20 W21 W22 W23 W24 SL80486SX 2 & 3 Open 1 & 2 1 & 2 2 & 3 80486SX 2 & 3 Open Open 1 & 2 2 & 3 80487SX 2 & 3 Open Open 1 & 2 2 & 3 CX486M7 (3.3v) 1 & 2 Open Open 2 & 3 1 & 2 CX486M7 (5v) 1 & 2 Open Open 2 & 3 1 & 2 AM486DXL 2 & 3 Open Open 2 & 3 1 & 2 SL80486DX 2 & 3 Open 1 & 2 1 & 2 2 & 3 80486DX 2 & 3 Open Open 1 & 2 2 & 3 SL80486DX2 2 & 3 Open 1 & 2 1 & 2 2 & 3 80486DX2 2 & 3 Open Open 1 & 2 2 & 3 80486DX4 (2x) 2 & 3 Open Open 1 & 2 2 & 3 80486DX4 (2.5x) 2 & 3 Open Open 1 & 2 2 & 3 80486DX4 (3x) 2 & 3 Open Open 1 & 2 2 & 3 P24CT 2 & 3 Open Open 1 & 2 1 & 2 P24D 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 P24T 2 & 3 Open Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type W25 W26 W27 W28 SL80486SX 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486SX 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80487SX 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 CX486M7 (3.3v) 2 & 3 2 & 3 2 & 3 2 & 3 CX486M7 (5v) 2 & 3 2 & 3 2 & 3, 4 & 2 & 3 5 AM486DXL 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 SL80486DX 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486DX 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 SL80486DX2 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486DX2 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486DX4 (2x) 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486DX4 (2.5x) 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 80486DX4 (3x) 2 & 3 4 & 5 1 & 2, 3 & 3 & 4 4 P24CT 1 & 2 1 & 2 1 & 2, 3 & 3 & 4 4 P24D 1 & 2 4 & 5 1 & 2 1 & 2, 3 & 4 P24T 1 & 2 1 & 2 1 & 2 3 & 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed W10 25MHz Open 33MHz Closed 50iMHz Open 66iMHz Closed 75iMHz Open 100iMHz Closed DMA CONFIGURATION DMA W3 W4 Disabled Open Open DMA1 pins 1 & 2 closed pins 1 & 2 closed DMA3 pins 2 & 3 closed pins 2 & 3 closed