UNIDENTIFIED OPTi 386-33/40WB Processor 80386DX (exact location is unknown) Processor Speed 33/40MHz Chip Set OPTi Max. Onboard DRAM 40MB Cache 64KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 80387DX/3167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J10 32-bit external S1 memory card slot Power LED & J23 Reset switch SW1 keylock Speaker J24 Turbo switch SW2 Turbo LED JP4 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » CMOS memory normal operation JP2 pins 2 & 3 closed CMOS memory clear JP2 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 4MB (4) 1M x 9 NONE NONE NONE 5MB (4) 256K x 9 (4) 1M x 9 NONE NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 20MB (4) 4M x 9 (4) 1M x 9 NONE NONE 24MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 NONE 24MB (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 NONE 28MB (4) 1M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 28MB (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 NONE 40MB (4) 4M x 9 (4) 4M x 9 (4) 1M x 9 (4) 1M x 9 Note:The locations of Bank 2 & Bank 3 can be found on the external memory card. [Image] CACHE CONFIGURATION Size Max. Cacheable Bank 0 Bank 1 TAG 32KB 8MB (4) 8K x 8 (4) 8K x 8 (4) 4K x 4 64KB 16MB (4) 8K x 8 (4) 8K x 8 (4) 4K x 4 128KB 32MB (4) 32K x 8 (4) 32K x 8 (4) 16K x 8 256KB 64MB (4) 32K x 8 (4) 32K x 8 (4) 16K x 8 CACHE JUMPER CONFIGURATION Size JP5 JP6 JP7 JP8 JP9 JP10 32KB pins 1 pins 1 pins 1 Open pins 2 pins 2 & & 2 & 2 & 2 & 3 3 64KB pins 2 pins 1 pins 1 Open pins 2 pins 1 & & 3 & 2 & 2 & 3 2 128KB pins 2 pins 1 pins 2 Closed pins 2 pins 1 & & 3 & 2 & 3 & 3 2 256KB pins 2 pins 2 pins 2 Closed pins 1 pins 1 & & 3 & 3 & 3 & 2 2 Note:Pins designated should be in the closed position. AT CLK SELECT AT Clock JP3 CLK2IN/6 Open CLK2IN/8 Closed