MICRONICS COMPUTERS, INC. 386-20 Processor 80386DX Processor Speed 20MHz Chip Set Micronics Max. Onboard DRAM 8MB (on system memory card) Cache 16KB (on M100C and M400C system memory cards only) BIOS Award/Phoenix Dimensions 355.6mm x 255.4mm I/O Options 32-bit system memory card slot NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Speaker J22 32-bit system memory J11 Turbo LED W7 card power 32-bit system memory J20 Reset switch W9 card Power LED & keylock J21 Note:The system memory card is inserted into both J11 & J20. USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Factory configured - do not SW1/1 On alter NPU enabled SW1/2 On NPU disabled SW1/2 Off » Factory configured - do not SW1/3 Off alter » Video BIOS shadowing enabled SW1/4 On Video BIOS shadowing disabled SW1/4 Off » Factory configured - do not SW1/5 Off alter » Monitor type select color SW1/6 On Monitor type select SW1/6 Off monochrome Cache enabled SW1/7 On Cache disabled SW1/7 Off » Factory configured - do not SW1/8 Off alter BIOS type select 27128 W1 pins 1 & 2 closed BIOS type select 27256 W1 pins 2 & 3 closed NPU mode select synchronous W4 pins 2 & 3 with CPU closed W6 open NPU mode select asynchronous W4 pins 1 & 2 with CPU closed W6 closed Note:Cache configuration applies to main memory boards M100C and M400C only. SYSTEM MEMORY CARD MODEL M100 [Image] CONNECTIONS Purpose Location 32-bit piggy back memory card S1 & S2 DRAM CONFIGURATION Size Bank 0 Bank 1 Jumper W1 1MB (36) 256K x 1 NONE pins 2 & 3, 4 & 5, 7 & 8 closed 2MB (36) 256K x 1 (36) 256K x 1 pins 1 & 2, 4 & 5, 7 & 8 closed [Image] CONNECTIONS Purpose Location 32-bit piggy back memory card S1 & S2 DRAM CONFIGURATION Size Bank 0 Bank 1 Jumper W1 4MB (36) 1M x 1 NONE pins 1 & 2, 3 & 4 closed 8MB (36) 1M x 1 (36) 1M x 1 pins 3 & 4 closed SYSTEM MEMORY CARD MODEL M300 [Image] CONNECTIONS Purpose Location 32-bit piggy back memory card S1 & S2 DRAM CONFIGURATION Size Bank 0 Parity Bank 1 Parity Bank 2 SW1 (P-0) (P-1) 1MB (8) (4) NONE NONE NONE switches 5, 44256 4464 6, & 8 closed 2MB (8) (4) (8) (4) NONE switches 3, 44256 4464 44256 4464 5, 6, & 8 closed 6MB (8) (4) (8) (4) (36) switches 2, 44256 4464 44256 4464 411000 3, 5, 6, & 8 closed [Image] CONNECTIONS Purpose Location 32-bit piggy back memory card S1 & S2 DRAM CONFIGURATION Size Bank 0 Bank 1 Jumper W1 Jumper W3 1MB (36) 256K x NONE pins 1 & 2 closed 1 closed 2MB (36) 256K x (36) 256K x pins 2 & 3 closed 1 1 closed Note:Jumper W3 enables cache controller chip. Disabling this jumper will decrease system speed. SYSTEM MEMORY CARD MODEL M400C [Image] DRAM CONFIGURATION Size Bank 0 Bank 1 Jumper W1 Jumper W3 4MB (36) 1M x 1 NONE pins 1 & 2 closed closed 8MB (36) 1M x 1 (36) 1M x 1 pins 2 & 3 closed closed Note:Jumper W3 enables cache controller chip. Disabling this jumper will decrease system speed.