KT TECHNOLOGY PTE LTD.
KT333OP3C-WB/BI PQFP 386DX MAINBOARD
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 25/33/40MHz  | 
| 
 Chip Set  | 
 VLSI  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 32/64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387DX/3167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J17  | 
 Turbo LED & turbo switch  | 
 J22  | 
| 
 Power LED & keylock  | 
 J20  | 
 Reset switch  | 
 J23  | 
| 
 Speaker  | 
 J21  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Normal operation  | 
 W1  | 
 Open  | 
| 
 Manufacturer testing  | 
 W1  | 
 Closed  | |
| 
 »  | 
 Monitor type select color  | 
 W2  | 
 pins 1 & 2 closed  | 
| 
 Monitor type select monochrome  | 
 W2  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Bus clock speed select 4  | 
 W3  | 
 pins 1 & 2 closed  | 
| 
 Bus clock speed select 3  | 
 W3  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 W4  | 
 N/A  | 
| 
 »  | 
 CMOS memory normal operation  | 
 W5  | 
 pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 W5  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 NPU input clock select external oscillation for 80387  | 
 W6  | 
 pins 1 & 2 closed  | 
| 
 NPU input clock select internal oscillation for 80386  | 
 W6  | 
 pins 2 & 3 closed  | |
| 
 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  | 
| 
 20MB  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 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  | 
| 
 Note: The location of Bank 0 and Bank 1 are unidentified. The location of the Tag is unidentified.  | |||
| 
 CACHE JUMPER CONFIGURATION  | ||||||
| 
 Size  | 
 W7  | 
 W8  | 
 W9  | 
 W10  | 
 W11  | 
 W12  | 
| 
 32KB  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 64KB  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
| 
 128KB  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
| 
 256KB  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  |