CALIBER COMPUTER
486 WB-U1
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
16/20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
UNI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
240mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP1 |
Turbo LED |
JP16 |
|
Reset switch |
JP14 |
Speaker |
JP17 |
|
Turbo switch |
JP15 |
Power LED & keylock |
JP18 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
JP2 |
pins 1 & 2 closed | |
|
CMOS memory clear |
JP2 |
pins 2 & 3 closed | |
|
Gate A20 connection select KBGA20 |
JP10 |
pins 2 & 3 closed | |
|
Gate A20 connection select emulated KBGA20 |
JP10 |
pins 1 & 2 closed | |
|
Monitor type select color |
JP12 |
Closed | |
|
Monitor type select monochrome |
JP12 |
Open | |
|
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) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(1) 8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION (WRITE-BACK) | ||||
|
Size |
JP22 |
JP23 |
JP25 |
JP26 |
|
32KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
128KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CACHE JUMPER CONFIGURATION FOR (WRITE-THROUGH) | ||||
|
Size |
JP22 |
JP23 |
JP25 |
JP26 |
|
32KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
128KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CACHE RESISTOR CONFIGURATION | ||||
|
Size |
J27 |
J28 |
J29 |
J30 |
|
32KB |
Installed |
Not installed |
Not installed |
Not installed |
|
64KB |
Not installed |
Installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Not installed |
Installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Not installed |
Installed |
|
CPU CONFIGURATION | |||||
|
Type |
Speed |
JP3 |
JP7 |
JP9 |
JP13 |
|
80486SX |
16MHz |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
|
80486SX |
20MHz |
1 & 2 |
Open |
2 & 3 |
2 & 3 |
|
80486SX |
25MHz |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
|
80487SX |
20MHz |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
|
80486DX |
25MHz |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
|
80486DX |
33MHz |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
|
80486DX |
50MHz |
2 & 3 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
|
80486DX2 |
50MHz |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
|
80486DX2 |
66MHz |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
|
Note:Pins designated should be in the closed position. | |||||