NOVACOR, INC. OPTIMUM 386-25/33/40 Processor 80386DX Processor Speed 25/33/40MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 32/64/128/256KB BIOS AMI/MR Dimensions 330mm x 218mm I/O Options 32-bit external memory card NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J10 32-bit external DRAM S1 slot Power LED & keylock J23 Reset switch SW1 Speaker J24 Turbo switch SW2 Turbo LED JP4 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color (AMI JP1 Closed BIOS) Monitor type select monochrome JP1 Open (AMI BIOS) » Password enabled (MR BIOS) JP1 Closed Password disabled (MR BIOS) JP1 Open » CMOS memory normal operation JP2 pins 2 & 3 closed CMOS memory clear JP2 pins 1 & 2 closed » Bus speed select ATCLK/8 JP3 Closed Bus speed select ATCLK/6 JP3 Open 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 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG (U32, U33, U42) 32KB (4) 8K x 8 NONE (3) 4K x 4 64KB (4) 8K x 8 (4) 8K x 8 (3) 4K x 4 128KB (4) 32K x 8 NONE (3) 16K x 4 256KB (4) 32K x 8 (4) 32K x 8 (3) 16K x 4 CACHE JUMPER CONFIGURATION Size JP5 JP6 JP7 JP8 JP9 JP10 32KB 1 & 2 1 & 2 1 & 2 Open 2 & 3 2 & 3 64KB 2 & 3 1 & 2 1 & 2 Open 2 & 3 1 & 2 128KB 2 & 3 1 & 2 2 & 3 Closed 2 & 3 1 & 2 256KB 2 & 3 2 & 3 2 & 3 Closed 1 & 2 1 & 2 Note:Pins designated should be in the closed position.