M TECHNOLOGY, INC.
R541 MIG
Device Type |
Mainboard |
Processor |
CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 6X86MX/AM K5/ AM K6/Pentium/Pentium MMX |
Processor Speed |
90/100/120/133/150/166/180/200/233/266MHz |
Chip Set |
Intel |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO & SDRAM supported) |
Maximum Video Memory |
None |
Cache |
512KB |
BIOS |
AMI |
Dimensions |
280mm 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), IR connector, USB connectors (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
C1 |
IDE interface 2 |
CN5 |
Speaker |
C2 |
IDE interface 1 |
CN6 |
IDE interface LED |
C3 |
PS/2 mouse interface |
CN7 |
Reset switch |
C4 |
IR connector |
IR1 |
Serial port 2 |
CN1 |
32-bit PCI slots |
PC1 PC4 |
Serial port 1 |
CN2 |
USB connector 1 |
USB1 |
Parallel port |
CN3 |
USB connector 2 |
USB2 |
Floppy drive interface |
CN4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
CMOS memory normal operation |
JP18 |
Pins 1 & 2 closed |
CMOS memory clear |
JP18 |
Pins 2 & 3 closed |
DIMM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 2M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
None |
40MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
None |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
56MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
None |
72MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
None |
80MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
DIMM CONFIGURATION (CONT) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
88MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
None |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
104MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
112MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
Note: Board accepts EDO & SDRAM memory. |
DIMM VOLTAGE CONFIGURATION | |
Voltage |
JP1 |
3.3v |
Pins 3 & 5, 4 & 6 closed |
5v |
Pins 1 & 3, 2 & 4 closed |
CACHE CONFIGURATION | |
Size |
Bank 0 |
512KB |
(2) 64K x 32 |
CPU SPEED SELECTION (CX 6X86) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
133MHz |
55MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
150MHz |
60MHz |
2x |
Closed |
Open |
Open |
Closed |
Open |
Closed |
166MHz |
66MHz |
2x |
Open |
Open |
Open |
Open |
Open |
Closed |
200MHz |
75MHz |
2x |
Open |
Closed |
Open |
Open |
Open |
Closed |
CPU SPEED SELECTION (IBM 6X86) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
133MHz |
55MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
150MHz |
60MHz |
2x |
Closed |
Open |
Open |
Closed |
Open |
Closed |
166MHz |
66MHz |
2x |
Open |
Open |
Open |
Open |
Open |
Closed |
200MHz |
75MHz |
2x |
Open |
Closed |
Open |
Open |
Open |
Closed |
CPU SPEED SELECTION (CX 6X86L) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
133MHz |
55MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
150MHz |
60MHz |
2x |
Closed |
Open |
Open |
Closed |
Open |
Closed |
166MHz |
66MHz |
2x |
Open |
Open |
Open |
Open |
Open |
Closed |
200MHz |
75MHz |
2x |
Open |
Closed |
Open |
Open |
Open |
Closed |
CPU SPEED SELECTION (IBM 6X86L) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
133MHz |
55MHz |
2x |
Closed |
Closed |
Open |
Open |
Open |
Closed |
150MHz |
60MHz |
2x |
Closed |
Open |
Open |
Closed |
Open |
Closed |
166MHz |
66MHz |
2x |
Open |
Open |
Open |
Open |
Open |
Closed |
200MHz |
75MHz |
2x |
Open |
Closed |
Open |
Open |
Open |
Closed |
CPU SPEED SELECTION (CX 6X86MX) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
166MHz |
60MHz |
2.5x |
Closed |
Open |
Open |
Closed |
Closed |
Closed |
200MHz |
66MHz |
2.5x |
Open |
Open |
Open |
Open |
Closed |
Closed |
233MHz |
66MHz |
3x |
Open |
Open |
Open |
Open |
Closed |
Open |
233MHz |
75MHz |
2.5x |
Open |
Closed |
Open |
Open |
Closed |
Closed |
266MHz |
66MHz |
3.5x |
Open |
Open |
Open |
Open |
Open |
Open |
266MHz |
75MHz |
3x |
Open |
Closed |
Open |
Open |
Closed |
Open |
CPU SPEED SELECTION (AM K5) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Closed |
Open |
Open |
100MHz |
66MHz |
1.5x |
Open |
Open |
Open |
Open |
Open |
Open |
166MHz |
66MHz |
2.5x |
Open |
Open |
Open |
Open |
Closed |
Closed |
CPU SPEED SELECTION (AM K6) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
166MHz |
66MHz |
2.5x |
Open |
Open |
Open |
Open |
Closed |
Closed |
200MHz |
66MHz |
3x |
Open |
Open |
Open |
Open |
Closed |
Open |
233MHz |
66MHz |
3.5x |
Open |
Open |
Open |
Open |
Open |
Open |
CPU SPEED SELECTION (INTEL) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Closed |
Open |
Open |
100MHz |
66MHz |
1.5x |
Open |
Open |
Open |
Open |
Open |
Open |
120MHz |
60MHz |
2x |
Closed |
Open |
Open |
Closed |
Open |
Closed |
133MHz |
66MHz |
2x |
Open |
Open |
Open |
Open |
Open |
Closed |
150MHz |
60MHz |
2.5x |
Closed |
Open |
Open |
Closed |
Closed |
Closed |
166MHz |
66MHz |
2.5x |
Open |
Open |
Open |
Open |
Closed |
Closed |
180MHz |
60MHz |
3x |
Closed |
Open |
Open |
Closed |
Closed |
Open |
200MHz |
66MHz |
3x |
Open |
Open |
Open |
Open |
Closed |
Open |
CPU SPEED SELECTION (INTEL MMX) | ||||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP7 |
JP8 |
JP9 |
166MHz |
66MHz |
2.5x |
Open |
Open |
Open |
Open |
Closed |
Closed |
200MHz |
66MHz |
3x |
Open |
Open |
Open |
Open |
Closed |
Open |
233MHz |
66MHz |
3.5x |
Open |
Open |
Open |
Open |
Open |
Open |
CPU VOLTAGE SELECTION (SINGLE) | ||
Voltage |
JP6 |
JP12 |
3.4v |
Pins 1 & 2, 3 & 4, 5 & 6 closed |
Pins 3 & 4 closed |
3.5v |
Pins 1 & 2, 3 & 4, 5 & 6 closed |
Pins 1 & 2 closed |
CPU VOLTAGE SELECTION (DUAL) | |||
Voltage |
V core |
JP6 |
JP12 |
3.4v |
2.5v |
Open |
Pins 11 & 12 closed |
3.4v |
2.8v |
Open |
Pins 9 & 10 closed |
3.4v |
2.9v |
Open |
Pins 7 & 8 closed |
3.4v |
3.2v |
Open |
Pins 5 & 6 closed |
BIOS SELECTION | ||
Type |
JP16 |
JP17 |
1M/5v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
2M/5v |
Pins 1 & 2 closed |
Pins 1 & 2 closed |