CHAINTECH COMPUTER COMPANY, LTD.
325S/333S/333SC/340SC
| 
 Processor  | 
 AM386DX/80386DX  | 
| 
 Processor Speed  | 
 25/33/40MHz  | 
| 
 Chip Set  | 
 AMD  | 
| 
 Max. Onboard DRAM  | 
 8MB (325S/333S) / 16MB (333SC/340SC)  | 
| 
 Cache  | 
 64KB (333SC/340SC)  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 217mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387DX/3167  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 Turbo switch  | 
 J12  | 
| 
 Power LED & keylock  | 
 J10  | 
 Speaker  | 
 J13  | 
| 
 Turbo LED  | 
 J11  | 
 Reset switch  | 
 J14  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Jumper  | 
 Position  | 
|
| 
 »  | 
 Factory configured - do not alter  | 
 J2  | 
 pins 1 & 2 closed  | 
| 
 »  | 
 Monitor type select color  | 
 J3  | 
 Closed  | 
| 
 
  | 
 Monitor type select monochrome  | 
 J3  | 
 Open  | 
| 
 »  | 
 Cache size select 32KB  | 
 J9  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Cache size select 64KB  | 
 J9  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J19  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 NPU synchronous with CPU  | 
 JX  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 NPU asynchronous with CPU  | 
 JX  | 
 pins 2 & 3 closed  | 
| 
 Note: Cache configuration is for 333SC/340SC only.  | 
|||
| 
 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  | 
| 
 8042 SPEED SELECT  | 
||
| 
 8042 pin number  | 
 J4  | 
|
| 
 »  | 
 23  | 
 pins 5 & 6 closed  | 
| 
 
  | 
 24  | 
 pins 7 & 8 closed  | 
| 
 
  | 
 29  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 30  | 
 pins 3 & 4 closed  | 
| 
 MODEL TYPE SELECT  | 
||||
| 
 Type  | 
 J5  | 
 J6  | 
 J7  | 
 J8  | 
| 
 325S/333S  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 333SC/340SC  | 
 Open  | 
 Open  | 
 Open  | 
 Open  |