SEANIX TECHNOLOGY, INC.
486LC1
|
Processor |
80386DX/80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
Contaq |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
P1 |
Power LED & keylock |
P4 |
|
Turbo switch |
P2 |
Reset switch |
P5 |
|
Speaker |
P3 |
External battery |
P7 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Monitor type select color |
JP22 |
Closed |
|
Monitor type select monochrome |
JP22 |
Open | |
|
» |
CMOS memory normal operation |
JP23 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP23 |
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) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K 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 |
DIRTY (U1) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP13 |
JP14 |
JP15 |
JP16 |
JP19 |
JP20 |
|
64KB |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
|
128KB |
Closed |
Open |
Closed |
Open |
1 & 2 |
2 & 3 |
|
256KB |
Closed |
Closed |
Closed |
Closed |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION | |||||||
|
Type |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
JP7 |
|
80386DX |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
CX486DLC |
Closed |
Closed |
Closed |
Open |
Open |
Open |
Open |
|
80486SX |
Open |
Open |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
|
80487SX |
Open |
Open |
Open |
Closed |
Closed |
2 & 3 |
1 & 2 |
|
80486DX |
Open |
Open |
Open |
Open |
Closed |
2 & 3 |
2 & 3 |
|
80486DX2 |
Open |
Open |
Open |
Open |
Closed |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE CONFIGURATION (CON’T) | |||||||
|
Type |
JP8 |
JP9 |
JP10 |
JP17 |
JP18 |
JP21 |
JP24 |
|
80386DX |
Closed |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
CX486DLC |
Closed |
Open |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
N/A |
|
80486SX |
Open |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
80487SX |
Open |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
80486DX |
Open |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
80486DX2 |
Open |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. JP24 may not be present on all boards. The location is unidentified. | |||||||
|
80386 ATCLK CONFIGURATION | ||
|
ATCLK |
JP11 |
JP12 |
|
4 |
Closed |
Closed |
|
6 |
Closed |
Open |
|
8 |
Open |
Closed |
|
10 |
Open |
Open |
|
80486 ATCLK CONFIGURATION | ||
|
ATCLK |
JP11 |
JP12 |
|
3 |
Closed |
Open |
|
4 |
Open |
Closed |
|
5 |
Open |
Open |
|
6 |
Closed |
Closed |