JATON CORPORATION
JAM-4001
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 33/40/50MHz |
Chip Set | UMC |
Max. Onboard DRAM | Model 1: 10MB Model 2: 40MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Power LED & keylock | J1 | Turbo switch | J4 |
Speaker | J2 | Turbo LED | J5 |
Reset switch | J3 | External battery | J8 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | J7 | Closed |
Monitor type select monochrome | J7 | Open | |
» | Battery type select internal | J8 | pins 1 & 2 closed |
Battery type select external | J8 | Closed |
DRAM CONFIGURATION (MODEL 1) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (8) 44256 | NONE | NONE | NONE |
2MB | (8) 44256 | (4) 256K x 9 | NONE | NONE |
3MB | (8) 44256 | (4) 256K x 9 | (4) 256K x 9 | NONE |
4MB | (8) 44256 | (4) 256K x 9 | (4) 256K x 9 | (4) 256K x 9 |
5MB | (8) 44256 | (4) 1M x 9 | NONE | NONE |
6MB | (8) 44256 | (4) 256K x 9 | (4) 1M x 9 | NONE |
9MB | (8) 44256 | (4) 1M x 9 | (4) 1M x 9 | NONE |
10MB | (8) 44256 | (4) 256K x 9 | (4) 1M x 9 | (4) 1M x 9 |
Note:Bank 0 is factory installed and is not configurable. |
DRAM CONFIGURATION (MODEL 2) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
4MB | (8) 441000 | NONE | NONE | NONE |
8MB | (8) 441000 | (4) 1M x 9 | NONE | NONE |
12MB | (8) 441000 | (4) 1M x 9 | (4) 1M x 9 | NONE |
16MB | (8) 441000 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
20MB | (8) 441000 | (4) 4M x 9 | NONE | NONE |
24MB | (8) 441000 | (4) 1M x 9 | (4) 4M x 9 | NONE |
36MB | (8) 441000 | (4) 4M x 9 | (4) 4M x 9 | NONE |
40MB | (8) 441000 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
Note:Bank 0 is factory installed and is not configurable. |
CACHE CONFIGURATION | |||
Size | Bank A | Bank B | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | (3) 16K 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 | S1 | S2 | S3 | S4 | S5 |
64KB | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
128KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
256KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||||
Type | W4 | W5 | W6 | W10 | W11 |
80486SX | 1 & 2 | 1 & 2 | 1 & 2 | Closed | Open |
80487SX | Open | Open | 2 & 3 | Open | Closed |
80486DX | 1 & 2 | 2 & 3 | 1 & 2 | Closed | Open |
Note: Pins designated should be in the closed position. |