DATAEXPERT CORPORATION/VISION TECHNOLOGIES
486WB CACHE/ESP486 (VER. 1)
|
Processor |
CX486M6/80486SX/CX486M7/AMD486DXL/AMD486DX/80486DX/CX486DX2/ AMD486DX2/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
Award |
|
Dimensions |
230mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo LED |
JP2 |
|
Speaker |
J2 |
Power saving connector |
JP26 |
|
Reset switch |
J3 |
Turbo switch |
JP35 |
|
External battery |
J4 |
32-bit VESA Local bus slots |
SL1 - SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Monitor type select color |
JP32 |
Closed |
|
Monitor type select monochrome |
JP32 |
Open | |
|
» |
CMOS memory normal operation |
JP33 |
pins 2 & 3 closed |
|
CMOS memory clear |
JP33 |
pins 1 & 2 closed | |
|
» |
L2 write through enabled |
JP34 |
pins 2 & 3 closed |
|
L2 write back enabled |
JP34 |
pins 1 & 2 closed | |
|
» |
Turbo speed enabled |
JP35 |
Open |
|
Turbo speed disabled |
JP35 |
Closed | |
|
» |
DRAM configuration select Table 1 |
JP41 |
pins 2 & 3 closed |
|
DRAM configuration select Table 2 |
JP41 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION (TABLE 1) | |||
|
Size |
Bank 0 |
Bank 0/1 |
Bank 1 |
|
2MB |
NONE |
(1) 512K x 36 |
NONE |
|
2MB |
(4) 256K x 9 |
NONE |
(1) 256K x 36 |
|
2MB |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
|
5MB |
NONE |
(1) 256K x 36 |
(1) 1M x 36 |
|
5MB |
(4) 256K x 9 |
NONE |
(1) 1M x 36 |
|
8MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
|
8MB |
NONE |
(1) 2M x 36 |
NONE |
|
16MB |
NONE |
(1) 4M x 36 |
NONE |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
|
17MB |
(4) 256K x 9 |
NONE |
(1) 4M x 36 |
|
17MB |
NONE |
(1) 256K x 36 |
(1) 4M x 36 |
|
20MB |
(4) 1M x 9 |
NONE |
(1) 4M x 36 |
|
20MB |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
|
32MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
|
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
NONE |
(1) 8M x 36 |
NONE |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
|
DRAM CONFIGURATION (TABLE 2) | |||
|
Size |
Bank 0 |
Bank 0/1 |
Bank 1 |
|
2MB |
NONE |
(1) 512K x 36 |
NONE |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
|
4MB |
NONE |
(1) 512K x 36 |
(2) 512K x 36 |
|
8MB |
NONE |
(1) 2M x 36 |
NONE |
|
10MB |
NONE |
(1) 512K x 36 |
(2) 2M x 36 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
|
16MB |
NONE |
(1) 2M x 36 |
(2) 2M x 36 |
|
32MB |
NONE |
(1) 8M x 36 |
NONE |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
|
64MB |
NONE |
(1) 8M x 36 |
(2) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
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) 16K x 8 or (1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP13 |
JP28 |
JP29 |
|
64KB |
pins 2 & 3 closed |
Open |
Open |
|
128KB |
pins 1 & 2 closed |
Open |
Closed |
|
256KB |
pins 2 & 3 closed |
Closed |
Closed |
|
TAG SRAM JUMPER CONFIGURATION | ||
|
Size |
TAG |
JP27 |
|
64KB |
(1) 8K x 8 |
pins 1 & 2 closed |
|
128KB |
(1) 8K x 8 |
pins 1 & 2 closed |
|
256KB |
(1) 16K x 8 |
pins 2 & 3 closed |
|
256KB |
(1) 32K x 8 |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | |||||||
|
Type |
JP5 |
JP6 |
JP8 |
JP19 |
JP24 |
JP39 |
JP43 |
|
80486SX |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
CX486M6 |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
CX486M7 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
80486DX |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
80486DX4 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Closed |
|
Overdrive |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
|
Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL. | |||||||
|
CPU TYPE CONFIGURATION (UPDATED VERSION) | |||||||
|
Type |
JP5 |
JP6 |
JP8 |
JP19 |
JP24 |
JP39 |
JP43 |
|
80486SX |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
2 & 3 |
Closed |
|
CX486M6 |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
|
CX486M7 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
|
80486DX |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Closed |
|
80486DX4 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
Overdrive |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
|
Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL. | |||||||
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JP11 |
JP12 |
JP25 | |
| » |
PQFP CPU disabled |
Open |
Open |
Closed |
|
PQFP CPU enabled |
Closed |
Closed |
Open | |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP3 |
JP4 |
JP17 |
|
25MHz |
Closed |
Closed |
Open |
|
33MHz |
Closed |
Open |
Closed |
|
40MHz |
Open |
Closed |
Closed |
|
50iMHz |
Closed |
Closed |
Open |
|
50MHz |
Closed |
Closed |
Closed |
|
66iMHz |
Closed |
Open |
Closed |
|
CPU CLOCK SPEED CONFIGURATION (INTEL DX4) | |||
|
Clock speed |
JP36 |
JP37 |
JP38 |
|
2x |
Open |
Closed |
Open |
|
2.5x |
Open |
Open |
Closed |
|
3x |
Closed |
Open |
Open |
|
CPU POWER VOLTAGE CONFIGURATION | |||
|
Voltage |
JP44 |
JP45 |
JP46 |
|
3.3 (DX4) |
Open |
Closed |
pins 1 & 2 closed |
|
5 (other CPU) |
Closed |
Open |
pins 2 & 3 closed |
|
VESA BUS SPEED CONFIGURATION | |
|
CPU speed |
JP40 |
|
< = 33MHz |
pins 2 & 3 closed |
|
> 33MHz |
pins 1 & 2 closed |
|
POWER MANAGEMENT CONFIGURATION | |||
|
Mode |
JP9 |
JP10 | |
| » |
Non SMM |
Open |
Open |
|
SMM |
Closed |
Closed | |