DATAEXPERT CORPORATION
EXP8561
Device Type |
Mainboard |
Processor |
CX 6X86/AM K5/Pentium/Pentium MMX |
Processor Speed |
75/90/100/120/133/150/166/200MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
256/512KB |
BIOS |
Award |
Dimensions |
260mm x 220mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, USB connectors (2) |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
CN1 |
USB connector 2 |
J14 |
Serial port 2 |
CN2 |
Reset switch |
J15 |
Serial port 1 |
CN3 |
Power LED & keylock |
J18 |
Floppy drive interface |
CN4 |
Speaker |
J19 |
IDE interface 2 |
CN5 |
IDE interface LED |
J20 |
IDE interface 1 |
CN6 |
Green PC connector |
JP6 |
Parallel port |
J4 |
32-bit PCI slots |
PC1 – PC4 |
USB connector 1 |
J13 |
Cache slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
AT bus CLK select PCICLK/4 |
JP7 |
Closed |
AT bus CLK select PCICLK/3 |
JP7 |
Open | |
» |
CMOS memory normal operation |
JP8 |
Open |
CMOS memory clear |
JP8 |
Closed | |
» |
Factory configured - do not alter |
JP12 |
Unidentified |
» |
Factory configured - do not alter |
JP13 |
Unidentified |
» |
Flash BIOS voltage select 5v |
JP14 |
Pins 1 & 2 closed |
Flash BIOS voltage select 12v |
JP14 |
Pins 2 & 3 closed |
SIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M 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 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M 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 |
SL1 |
TAG |
256KB |
(2) 32K x 32 |
Not installed |
(1) 8K/16K/32K x 8 |
512KB |
(2) 32K x 32 |
256KB module installed |
(1) 16K/32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
J16 |
JP15 |
JP19 |
JP21 |
256KB |
Open |
Open |
Closed |
Open |
512KB |
Closed |
Pins 2 & 3 closed |
Open |
Closed |
CPU SPEED SELECTION (CX 6X86) | ||||||
CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
JP22 |
JP23 |
120MHz |
50MHz |
2x |
Closed |
Closed |
Closed |
Open |
133MHz |
55MHz |
2x |
Open |
Open |
Closed |
Open |
150MHz |
60MHz |
2x |
Closed |
Open |
Closed |
Open |
166MHz |
66MHz |
2x |
Open |
Closed |
Closed |
Open |
CPU SPEED SELECTION (AM K5) | ||||||
CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
JP22 |
JP23 |
75MHz |
50MHz |
1.5x |
Closed |
Closed |
Open |
Open |
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Open |
100MHz |
66MHz |
1.5x |
Open |
Closed |
Open |
Open |
CPU SPEED SELECTION (INTEL) | ||||||
CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
JP22 |
JP23 |
75MHz |
50MHz |
1.5x |
Closed |
Closed |
Open |
Open |
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Open |
100MHz |
66MHz |
1.5x |
Open |
Closed |
Open |
Open |
120MHz |
60MHz |
2x |
Closed |
Open |
Closed |
Open |
133MHz |
66MHz |
2x |
Open |
Closed |
Closed |
Open |
150MHz |
60MHz |
2.5x |
Closed |
Open |
Closed |
Closed |
166MHz |
66MHz |
2.5x |
Open |
Closed |
Closed |
Closed |
200MHz |
66MHz |
3x |
Open |
Closed |
Open |
Closed |
CPU SPEED SELECTION (INTEL MMX) | ||||||
CPU speed |
Clock speed |
Multiplier |
JP9 |
JP10 |
JP22 |
JP23 |
166MHz |
66MHz |
2.5x |
Open |
Closed |
Closed |
Closed |
200MHz |
66MHz |
3x |
Open |
Closed |
Open |
Closed |
CPU VOLTAGE SELECTION (SINGLE) | |
Voltage |
JP18 |
Single |
Open |
CPU VOLTAGE SELECTION (DUAL) | ||||
Voltage |
V core |
JP18 |
JPA1 |
JPA2 |
3.3v |
2.9v |
Pins 2 & 3 closed |
Open |
Closed |
3.3v |
3.3v |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
3.3v |
3.45 – 3.6v |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Open |
3.45v |
2.9v |
Pins 1 & 2 closed |
Open |
Closed |
3.45v |
3.3v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Open |
3.45v |
3.45 – 3.6v |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Open |
DMA CHANNEL SELECTION | ||
Channel |
JP4 |
JP5 |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |