DATAEXPERT CORPORATION
EXP8J61
Device Type | Mainboard |
Processor | CX 6X86/AM K5/AM K6/Pentium |
Processor Speed | 75/90/100/120/133/150/166MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 128MB |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Award |
Dimensions | 224mm x 220mm |
I/O Options | 32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2) |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
IR connector | CN1 | Power LED & keylock | J17 |
Parallel port | J4 | Speaker | J18 |
Floppy drive interface | J5 | IDE interface LED | J20 |
IDE interface 2 | J6 | Green PC connector | JP11 |
IDE interface 1 | J7 | Reset switch | JP16 |
Serial port 2 | J11 | Turbo LED | JP19 |
Serial port 1 | J12 | 32-bit PCI slots | PC1 – PC3 |
USB connector 1 | J14 | PS/2 mouse interface | PS2 |
USB connector 2 | J15 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | JP12 | Unidentified |
» | Factory configured - do not alter | JP13 | Unidentified |
» | Factory configured - do not alter | JP15 | Unidentified |
» | AT bus CLK select PCICLK/4 | JP17 | Closed |
AT bus CLK select PCICLK/3 | JP17 | Open | |
» | Flash BIOS voltage select 5v | JP18 | Pins 2 & 3 closed |
Flash BIOS voltage select 12v | JP18 | Pins 1 & 2 closed | |
SIMM CONFIGURATION | |
Size | Bank 1 |
8MB | (2) 1M x 36 |
16MB | (2) 2M x 36 |
32MB | (2) 4M x 36 |
64MB | (2) 8M x 36 |
128MB | (2) 16M x 36 |
DIMM CONFIGURATION | |
Size | Bank 0 |
8MB | (1) 1M x 64 |
16MB | (1) 2M x 64 |
32MB | (1) 4M x 64 |
64MB | (1) 8M x 64 |
128MB | (1) 16M x 64 |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
256KB | (2) 32K x 32 | Unidentified |
512KB | (2) 64K x 32 | Unidentified |
CPU SPEED SELECTION (CX 6X86) | ||||||
CPU speed | Clock speed | Multiplier | JP2 | JP3 | JP9 | JP10 |
120MHz | 50MHz | 2x | Open | Closed | Closed | Closed |
133MHz | 55MHz | 2x | Open | Closed | Closed | Open |
150MHz | 60MHz | 2x | Open | Closed | Open | Closed |
166MHz | 66MHz | 2x | Open | Closed | Open | Open |
CPU SPEED SELECTION (AM K5) | ||||||
CPU speed | Clock speed | Multiplier | JP2 | JP3 | JP9 | JP10 |
75MHz | 50MHz | 1.5x | Open | Open | Closed | Closed |
90MHz | 60MHz | 1.5x | Open | Open | Open | Closed |
100MHz | 66MHz | 1.5x | Open | Open | Open | Open |
120MHz | 60MHz | 1.5x | Open | Open | Open | Closed |
133MHz | 66MHz | 1.5x | Open | Open | Open | Open |
166MHz | 66MHz | 2.5x | Closed | Closed | Open | Open |
CPU SPEED SELECTION (AM K6) | ||||||
CPU speed | Clock speed | Multiplier | JP2 | JP3 | JP9 | JP10 |
200MHz | 66MHz | 3x | Closed | Open | Open | Open |
CPU SPEED SELECTION (INTEL) | ||||||
CPU speed | Clock speed | Multiplier | JP2 | JP3 | JP9 | JP10 |
75MHz | 50MHz | 1.5x | Open | Open | Closed | Closed |
90MHz | 60MHz | 1.5x | Open | Open | Open | Closed |
100MHz | 66MHz | 1.5x | Open | Open | Open | Open |
120MHz | 60MHz | 2x | Open | Closed | Open | Closed |
133MHz | 66MHz | 2x | Open | Closed | Open | Open |
150MHz | 60MHz | 2.5x | Closed | Closed | Open | Closed |
166MHz | 66MHz | 2.5x | Closed | Closed | Open | Open |
200MHz | 66MHz | 3x | Closed | Open | Open | Open |
CPU SPEED SELECTION (INTEL MMX) | ||||||
CPU speed | Clock speed | Multiplier | JP2 | JP3 | JP9 | JP10 |
166MHz | 66MHz | 2.5x | Closed | Closed | Open | Open |
200MHz | 66MHz | 3x | Closed | Open | Open | Open |
CPU VOLTAGE SELECTION (SINGLE) | |
Voltage | JP14 |
Single | Open |
CPU VOLTAGE SELECTION (DUAL) | ||||
Voltage | V core | JP14 | JPA1 | JPA2 |
3.3v | 2.5v | Pins 1 & 2 closed | Pins 2 & 3 closed | Open |
3.3v | 2.9v | Pins 1 & 2 closed | Pins 1 & 2 closed | Open |
3.3v | 3.3v | Pins 1 & 2 closed | Open | Pins 1 & 2 closed |
3.3v | 3.45 – 3.6v | Pins 1 & 2 closed | Open | Pins 2 & 3 closed |