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. |