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 |