MAGITRONICS 386-40UM Processor 80386DX Processor Speed 33/40MHz Chip Set UMC Max. Onboard DRAM 32MB SRAM Cache 64/128/256KB BIOS AMI Dimensions 260mm x 220mm I/O Options None NPU Options 80387DX/3167 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Turbo switch J4 Speaker J2 Turbo LED J5 Reset switch J3 External battery J11 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » NPU enabled J7 Closed NPU disabled J7 Open » Monitor type select color J8 Closed Monitor type select J8 Open monochrome » Battery select internal J9 pins 2 & 3 closed Battery select external J9 pins 1 & 2 closed » CMOS memory normal operation J11 pins 2 & 3 closed CMOS memory clear J11 pins 1 & 2 closed Note: When selecting an external battery (J9), the external battery must be connected to J11. DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 SRAM CONFIGURATION Size Cache Location TAG 64KB (8) 8K x 8 Banks 0 & 1 (1) 8K x 8 128KB (4) 32K x 8 Bank 0 (1) 8K x 8 256KB (8) 32K x 8 Banks 0 & 1 (1) 32K x 8 SRAM JUMPER CONFIGURATION Size W1 W2 W3 W4 W5 64KB pins 2 & Open Open pins 1 & pins 1 & 3 2 2 128KB pins 1 & Open Closed pins 2 & pins 1 & 2 3 2 256KB pins 2 & Closed Closed pins 2 & pins 2 & 3 3 3 Note: Pins designated should be in the closed position