MICRONICS COMPUTERS, INC. MICRONICS 386 (VER. 5.0) Processor 80386SX Processor Speed 20/25/33MHz Chip Set Unidentified Max. Onboard DRAM 16MB (on external memory card) Cache 32/64KB BIOS Phoenix Dimensions 355mm x 305mm I/O Options External memory card NPU Options 80387SX/3167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Turbo LED W9 Power LED & keylock J21 Turbo switch W15 Speaker J22 External memory card SL1 Reset switch W1 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Factory configured - do not SW1/1 On alter » NPU disabled SW1/2 Off NPU enabled SW1/2 On » Factory configured - do not SW1/3 Off alter » EGA/BIOS relocated SW1/4 On EGA/BIOS not relocated SW1/4 Off » Factory configured - do not SW1/5 Off alter » Monitor type select SW1/6 On CGA/EGA/VGA Monitor type select SW1/6 Off monochrome » Cache enabled SW1/7 On Cache disabled SW1/7 Off » Bus speed select low SW1/8 Off Bus speed select high SW1/8 On » Factory configured - do not W3 Closed alter » Factory configured - do not W4 Open alter » Factory configured - do not W5 Open alter » Factory configured - do not W6 Open alter » Factory configured - do not W10 Open alter » Non cacheable region at W22 Closed E0000 to EFFFF Non cacheable region at W22 Open D0000 to DFFFF » Factory configured - do not W23 N/A alter Note: The location of jumpers W4, W5, W6, & W10 are unidentified. CACHE CONFIGURATION Size Bank 0 Bank 1 32KB (4) 8K x 8 NONE 64KB (4) 8K x 8 (4) 8K x 8 CACHE JUMPER CONFIGURATION Setting W12 W13 Direct map Closed pins 1 & 2 closed Two way set Open pins 2 & 3 closed NPU CONFIGURATION Setting W7 W8 Asynchronous pins 1 & 2 closed Closed Synchronous pins 2 & 3 closed Open [Image] CONNECTIONS Purpose Location Proprietary memory expansion CN1 connector DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (36) 41256 NONE 2MB (36) 41256 (36) 41256 4MB (36) 411000 NONE 5MB (36) 41256 (36) 411000 8MB (36) 411000 (36) 411000 Note: Expansion card has a maximum of 8MB. To install 12MB or 16MB, install memory card at CN1. DRAM SWITCH CONFIGURATION Size SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 1MB On Off On On On Off Off Off 2MB Off On On On On Off Off Off 4MB On On Off Off On Off Off Off 5MB Off Off Off On On Off Off Off 8MB Off On Off Off On Off Off Off 12MB Off Off Off Off On Off Off Off 16MB Off Off Off Off On Off Off Off Note: These chips are board specific. Refer to manual for proper chip sizes. [Image] CONNECTIONS Purpose Location Proprietary memory expansion CN1 connector DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (16) 44256 NONE NONE 2MB (16) 44256 (8) 44256 NONE 5MB (16) 44256 NONE (36) 411100 6MB (16) 44256 (8) 44256 (36) 411100 Note: Expansion card has a maximum of 6MB. To install 16MB, install memory card at CN1. DRAM SWITCH CONFIGURATION Size SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 1MB Off Off Off Off On On On On 2MB Off Off Off On On On On On 5MB Off On On Off On Off On On 6MB Off On Off On On On On On 16MB On On On On On On On On Note: These chips are board specific. Refer to manual for proper chip sizes.