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 |