DATAEXPERT CORPORATION
EXP4044
|
Device Type |
Mainboard |
|
Processor |
CXM6/80486SX/CXM7/AM486DX/AM486DXL/80486DX2/80486DX4/ P24T |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
OPTI |
|
Maximum Onboard Memory |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
Award |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo LED |
JP2 |
|
Speaker |
J2 |
Green PC connector |
JP20 |
|
Reset switch |
J3 |
Turbo switch |
JP35 |
|
External battery |
J4 |
32-bit VESA local bus slots |
SL1 – SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
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 |
JP34 |
Pins 2 & 3 closed |
|
L2 write back |
JP34 |
Pins 1 & 2 closed | |
|
SIMM CONFIGURATION 1 | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
2MB |
(4) 256K x 9 |
None |
(1) 256K x 36 |
|
2MB |
None |
(1) 256K x 36 |
(1) 256K x 36 |
|
2MB |
None |
(1) 512K x 36 |
None |
|
4MB |
(4) 1M x 9 |
None |
None |
|
4MB |
None |
(1) 1M x 36 |
None |
|
5MB |
(4) 256K x 9 |
None |
(1) 1M x 36 |
|
5MB |
None |
(1) 256K x 36 |
(1) 1M x 36 |
|
8MB |
(4) 1M x 9 |
None |
(1) 1M x 36 |
|
8MB |
None |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
None |
(1) 2M x 36 |
None |
|
16MB |
(4) 4M x 9 |
None |
None |
|
16MB |
None |
None |
(1) 4M x 36 |
|
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 |
|
SIMM CONFIGURATION 2 | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
2MB |
None |
(1) 512K x 36 |
None |
|
4MB |
(4) 1M x 9 |
None |
None |
|
4MB |
None |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
None |
(1) 2M x 36 |
None |
|
10MB |
None |
(1) 512K x 36 |
(1) 2M x 36 |
|
16MB |
(4) 4M x 9 |
None |
None |
|
16MB |
None |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
None |
(1) 8M x 36 |
None |
|
64MB |
(4) 16M x 9 |
None |
None |
|
64MB |
None |
(1) 8M x 36 |
(1) 8M x 36 |
|
SIMM JUMPER CONFIGURATION | ||
|
Configuration |
JP41 | |
| » |
1 |
Pins 2 & 3 closed |
|
2 |
Pins 1 & 2 closed | |
|
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) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP13 |
JP27 |
JP28 |
JP29 |
|
64KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Open |
Open |
|
128KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
Closed |
|
256KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Closed |
Closed |
|
CPU SPEED SELECTION | |||
|
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 |
|
75iMHz |
Closed |
Closed |
Open |
|
100iMHz |
Closed |
Open |
Closed |
|
CPU TYPE SELECTION | |||||||
|
Type |
JP5 |
JP6 |
JP8 |
JP19 |
JP24 |
JP39 |
JP43 |
|
CX M6 |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
80486SX |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
AM486DX |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
Open |
|
AM486DXL |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
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 |
|
P24T |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
|
CX M7 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE SELECTION (PQFP ONLY) | ||||
|
Setting |
JP11 |
JP12 |
JP25 | |
|
Enabled |
Open |
Open |
Closed | |
| » |
Disabled |
Closed |
Closed |
Open |
|
CPU MULTIPLIER SELECTION (80486DX4 ONLY) | |||
|
Multiplier |
JP36 |
JP37 |
JP38 |
|
2x |
Open |
Closed |
Open |
|
2.5x |
Open |
Open |
Closed |
|
3x |
Closed |
Open |
Open |
|
CPU VOLTAGE SELECTION | ||||
|
Voltage |
JP44 |
JP45 |
JP46 | |
|
3.3v |
Open |
Closed |
Pins 1 & 2 closed | |
| » |
6v |
Closed |
Open |
Pins 2 & 3 closed |
|
VL BUS SPEED SELECTION | ||
|
Speed |
JP40 | |
| » |
<= 33MHz |
Pins 2 & 3 closed |
|
>33 MHz |
Pins 1 & 2 closed | |
|
GREEN PC SELECTION | |||
|
Setting |
JP9 |
JP10 | |
|
Enabled |
Closed |
Closed | |
| » |
Disabled |
Open |
Open |