M TECHNOLOGY, INC.

R542 MUSTANG-ULTRA (VER. 2)

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

None

Maximum Onboard Memory

192MB (EDO & SDRAM supported)

Maximum Video Memory

None

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Serial port 1

CN2

Power LED & keylock

C1

IDE interface 1

CN3

Speaker

C2

Floppy drive interface

CN4

Turbo switch

C3

Parallel port

CN5

Turbo LED

C4

IDE interface 2

CN6

Reset switch

C5

IR connector

IR1

PWRBT connector

C6

PS/ mouse interface

J1

IDE interface LED

C7

32-bit PCI slots

PC1 – PC3

Soft off power supply

C8

USB connector 1

USB1

Serial port 2

CN1

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