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  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J10  | 
 32-bit external DRAM slot  | 
 S1  | 
| 
 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 BIOS)  | 
 JP1  | 
 Closed  | 
| 
 Monitor type select monochrome (AMI BIOS)  | 
 JP1  | 
 Open  | |
| » | 
 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.  | ||||||