M TECHNOLOGY, INC.
R542 MUSTANG-ULTRA (VER. 1)
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/AM K5/ AM K6/Pentium/Pentium MMX  | 
| 
 Processor Speed  | 
 90/100/120/133/150/166/180/200/233/266MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Video Chip Set  | 
 SIS  | 
| 
 Maximum Onboard Memory  | 
 192MB (EDO & SDRAM supported) Unified Memory Architecture (UMA)  | 
| 
 Cache  | 
 512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 280mm x 220mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2), ATX power connector, VGA interface, VGA feature connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 ATX power connector  | 
 ATX  | 
 IDE interface 1  | 
 CN3  | 
| 
 Power LED & keylock  | 
 C1  | 
 Floppy drive interface  | 
 CN4  | 
| 
 Speaker  | 
 C2  | 
 Parallel port  | 
 CN5  | 
| 
 Turbo switch  | 
 C3  | 
 IDE interface 2  | 
 CN6  | 
| 
 Turbo LED  | 
 C4  | 
 VGA feature connector  | 
 CN7  | 
| 
 Reset switch  | 
 C5  | 
 VGA interface  | 
 CN8  | 
| 
 PWRBT connector  | 
 C6  | 
 IR connector  | 
 IR1  | 
| 
 IDE interface LED  | 
 C7  | 
 PS/ mouse interface  | 
 J1  | 
| 
 Soft off power supply  | 
 C8  | 
 32-bit PCI slots  | 
 PC1 – PC3  | 
| 
 Serial port 2  | 
 CN1  | 
 USB connector 1  | 
 USB1  | 
| 
 Serial port 1  | 
 CN2  | 
 USB connector 2  | 
 USB2  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP10  | 
 Unidentified  | 
| 
 CPU mode select togger  | 
 JP14  | 
 Open  | |
| 
 CPU mode select linear  | 
 JP14  | 
 Closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP18  | 
 Pins 1 & 2 closed  | 
| 
 CMOS memory clear  | 
 JP18  | 
 Pins 2 & 3 closed  | |
| 
 On board video enabled  | 
 JP24  | 
 Pins 2 & 3 closed  | |
| 
 On board video disabled  | 
 JP24  | 
 Pins 1 & 2 closed  | |
| 
 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  | 
| 
 Note: Board accepts EDO memory.  | |
| 
 DIMM CONFIGURATION  | |||
| 
 Size  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 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  | 
| 
 DIMM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 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  | 
| 
 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) 4M x 64  | 
 (1) 4M x 64  | 
| 
 128MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 None  | 
| 
 136MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 1M x 64  | 
| 
 144MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 2M x 64  | 
| 
 160MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 4M x 64  | 
| 
 192MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 Note: Board accepts SDRAM memory. To use the on board VGA, bank 1 must be filled.  | |||
| 
 DIMM VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 JP1  | 
| 
 3.3v  | 
 Pins 5 & 6, 7 & 8 closed  | 
| 
 5v  | 
 Pins 1 & 2, 3 & 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  | 
 JP8  | 
 JP9  | 
| 
 133MHz  | 
 55MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 CPU SPEED SELECTION (IBM 6X86)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 133MHz  | 
 55MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 CPU SPEED SELECTION (CX 6X86L)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 133MHz  | 
 55MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 CPU SPEED SELECTION (IBM 6X86L)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 133MHz  | 
 55MHz  | 
 2x  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 CPU SPEED SELECTION (CX 6X86MX)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 166MHz  | 
 60MHz  | 
 2.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 200MHz  | 
 66MHz  | 
 2.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 233MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 233MHz  | 
 75MHz  | 
 2.5x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 266MHz  | 
 66MHz  | 
 3.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 266MHz  | 
 75MHz  | 
 3x  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 CPU SPEED SELECTION (AM K5)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 CPU SPEED SELECTION (AM K6)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CPU SPEED SELECTION (INTEL)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 CPU SPEED SELECTION (INTEL MMX)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP8  | 
 JP9  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 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  | 
| 
 1M/12v  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  |