DATAEXPERT CORPORATION
EXP8051
Device Type |
Mainboard |
Processor |
Pentium |
Processor Speed |
50/60/66MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
256/512/1024KB |
BIOS |
Award, Phoenix |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit PCI slots (4), green PC connector |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP5 |
Reset switch |
JP16 |
Peripheral power connector |
JP12 |
Speaker |
JP17 |
Green PC connector |
JP13 |
Power LED & keylock |
JP18 |
Front panel connector |
JP14 |
32-bit PCI slots |
PC1 – PC4 |
Front panel connector |
JP15 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
JP1 |
Open |
» |
Battery type select external |
JP2 |
Open |
Battery type select internal |
JP2 |
Closed | |
» |
Power supply from board |
JP3 |
Pins 1 & 2 closed |
Power supply from LM 393 |
JP3 |
Pins 2 & 3 closed | |
» |
BIOS type select EPROM |
JP4 |
Pins 2 & 3 closed |
BIOS type select flash |
JP4 |
Pins 1 & 2 closed | |
» |
Normal operation |
JP6 |
Open |
Delay ADS# |
JP6 |
Closed |
SIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
2MB |
(2) 256K x 36 |
None |
4MB |
(2) 512K x 36 |
None |
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
8MB |
(2) 1M x 36 |
None |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
SIMM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
256KB |
(8) 32K x 8 |
(1) 8K x 8 |
512KB |
(8) 64K x 8 |
(1) 32K x 8 |
1MB |
(8) 128K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP7 |
JP8 |
JP9 |
JP10 |
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
512KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
1MB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION | |
Speed |
JP11 |
50MHz |
Open |
60MHz |
Pins 3 & 4 closed |
66MHz |
Pins 1 & 2, 3 & 4 closed |