M TECHNOLOGY, INC.
R540 MIG
| Device Type | Mainboard |
| Processor | CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 90/100/120/133/150/166/200/233/266MHz |
| Chip Set | Intel |
| Video Chip Set | None |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Maximum Video Memory | None |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 250mm 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 connector |
| NPU Options | None |
CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| Parallel port | CN1 |
IR connector | IR1 |
| Serial port 2 | CN2 |
Reset switch | J3A |
| Serial port 1 | CN3 |
Turbo LED | J3B |
| Floppy drive interface | CN4 |
IDE interface LED | J3C |
| IDE interface 2 | CN5 |
Power LED & keylock | J3D |
| IDE interface 1 | CN6 |
Speaker | J3E |
| PS/2 mouse interface | CN7 |
32-bit PCI slots | PC1 – PC4 |
| CPU fan power | FAN |
USB connector | USB |
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
CMOS memory normal operation | JP5 |
Closed |
| CMOS memory clear | JP5 |
Open |
|
» |
Factory configured - do not alter | JP9 |
Unidentified |
» |
Factory configured - do not alter | JP12 |
Unidentified |
» |
Factory configured - do not alter | JP13 |
Unidentified |
SIMM CONFIGURATION |
|
Size |
Bank 0 |
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 |
256MB |
(2) 32M x 36 |
| Note: Board accepts EDO memory. | |
DIMM CONFIGURATION |
||
Size |
Bank 1 |
Bank 2 |
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 |
DIMM CONFIGURATION (CON’T) |
||
Size |
Bank 0 |
Bank 1 |
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 |
JP10 |
JP11 |
|
» |
3.3v |
1 & 2, 3 & 4, 5 & 6, 7 & 8 |
Open |
5v |
Open |
1 & 2, 3 & 4, 5 & 6, 7 & 8 |
|
| Note: Pins designated should be in the closed position. | |||
CACHE CONFIGURATION |
||
Size |
Bank 0 |
TAG |
512KB |
(2) 64K x 32 |
Unidentified |
CPU SPEED SELECTION (CX 6X86) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
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 |
Off |
CPU SPEED SELECTION (IBM 6X86) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
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 |
Off |
CPU SPEED SELECTION (CX 6X86L) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
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 |
Off |
CPU SPEED SELECTION (IBM 6X86L) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
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 |
Off |
CPU SPEED SELECTION (CX 6X86MX) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
166MHz |
60MHz |
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 |
Off |
233MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
266MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (AM K5) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
90MHz |
60MHz |
1.5x |
Off |
Off |
On |
On |
Off |
Off |
100MHz |
66MHz |
1.5x |
Off |
Off |
On |
Off |
Off |
Off |
120MHz |
60MHz |
2x |
On |
Off |
Off |
On |
Off |
Off |
133MHz |
66MHz |
2x |
On |
Off |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (AM K6) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
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 |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
90MHz |
60MHz |
1.5x |
Off |
Off |
On |
On |
Off |
Off |
100MHz |
66MHz |
1.5x |
Off |
Off |
On |
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 |
180MHz |
60MHz |
3x |
Off |
On |
Off |
On |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (INTEL MMX) |
||||||||
CPU speed |
Clock speed |
Multiplier |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |
266MHz |
66MHz |
4x |
On |
Off |
On |
Off |
Off |
Off |
CPU VOLTAGE SELECTION |
||||
Voltage |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
2.1v |
On |
Off |
Off |
Off |
2.2v |
Off |
On |
Off |
Off |
2.3v |
On |
On |
Off |
Off |
2.4v |
Off |
Off |
On |
Off |
2.5v |
On |
Off |
On |
Off |
2.6v |
Off |
On |
On |
Off |
2.7v |
On |
On |
On |
Off |
2.8v |
Off |
Off |
Off |
On |
2.9v |
On |
Off |
Off |
On |
3.0v |
Off |
On |
Off |
On |
3.1v |
On |
On |
Off |
On |
3.2v |
Off |
Off |
On |
On |
3.3v |
On |
Off |
On |
On |
3.4v |
Off |
On |
On |
On |