DATAEXPERT CORPORATION
TX531
Device Type |
Mainboard |
Processor |
CX 6X86/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX |
Processor Speed |
90/100/120/133/150/166/200/233MHz |
Chip Set |
Acer |
Maximum Onboard Memory |
256MB (EDO & SDRAM supported) |
Cache |
512KB |
BIOS |
AMI |
Dimensions |
250mm x 220mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connector |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN1 |
CPU fan power |
J9 |
Serial port 2 |
CN2 |
Turbo LED |
J10 |
Parallel port |
CN3 |
IDE interface LED |
J11 |
Floppy drive interface |
CN4 |
Reset switch |
J12 |
IDE interface 2 |
CN5 |
Speaker |
J13 |
IDE interface 1 |
CN6 |
Power LED & keylock |
J14 |
Serial port 1 |
CN7 |
USB connector |
JP1 |
Green PC connector |
J8 |
32-bit PCI slots |
PC1 PC4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
J3 |
Unidentified |
|
CMOS memory normal operation |
JP2 |
Open |
CMOS memory clear |
JP2 |
Closed | |
|
Flash BIOS voltage select 5v |
JP3 |
Pins 1 & 2 closed |
Flash BIOS voltage select 12v |
JP3 |
Pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP5 |
Unidentified |
CPU mode select interleave |
JP8 |
Open | |
CPU mode select burst |
JP8 |
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 |
SIMM CONFIGURATION (CONT) | ||
Size |
Bank 0 |
Bank 1 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
None |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
Note: Board accepts EDO memory. |
DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
128MB |
(1) 16M x 64 |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
Note: Board accepts SDRAM memory. |
DIMM VOLTAGE CONFIGURATION | ||
Voltage |
JP6 | |
3v |
Pins 5 & 6, 7 & 8 closed | |
5v |
Pins 1 & 2, 3 & 4 closed |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
512KB |
(2) 64K x 32 |
(1) 32K x 8 |
CPU SPEED SELECTION (CX 6X86) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
133MHz |
55MHz |
2x |
On |
Off |
Off |
On |
On |
Off |
150MHz |
60MHz |
2x |
On |
Off |
Off |
On |
Off |
Off |
166MHz |
66MHz |
2x |
On |
Off |
Off |
Off |
Off |
Off |
200MHz |
75MHz |
2x |
On |
Off |
Off |
Off |
On |
On |
CPU SPEED SELECTION (CX 6X86MX) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
166MHz |
66MHz |
2.5x |
On |
On |
Off |
On |
Off |
Off |
200MHz |
66MHz |
2.5x |
On |
On |
Off |
Off |
Off |
Off |
233MHz |
75MHz |
2.5x |
On |
On |
Off |
Off |
On |
On |
CPU SPEED SELECTION (AM K5) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
Off |
Off |
100MHz |
66MHz |
1.5x |
Off |
Off |
Off |
Off |
Off |
Off |
120MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
Off |
Off |
133MHz |
66MHz |
1.5x |
Off |
Off |
Off |
Off |
Off |
Off |
166MHz |
66MHz |
2.5x |
On |
On |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (AM K6) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
166MHz |
66MHz |
2.5x |
On |
On |
Off |
Off |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (INTEL) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
Off |
Off |
100MHz |
66MHz |
1.5x |
Off |
Off |
Off |
Off |
Off |
Off |
120MHz |
60MHz |
2x |
On |
Off |
Off |
On |
Off |
Off |
133MHz |
66MHz |
2x |
On |
Off |
Off |
Off |
Off |
Off |
150MHz |
60MHz |
2.5x |
On |
On |
Off |
On |
Off |
Off |
166MHz |
66MHz |
2.5x |
On |
On |
Off |
Off |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (INTEL MMX) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
166MHz |
66MHz |
2.5x |
On |
On |
Off |
Off |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |