M TECHNOLOGY, INC.

R558 MUSTANG-ULTRA

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/

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

Unidentified

Maximum Onboard Memory

384MB (EDO & SDRAM supported) Unified Memory Architecture (UMA)

Cache

512KB

BIOS

Award

Dimensions

304mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA interface, IR connector, USB connectors (2), ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Serial port 1

CN4

Power LED & keylock

C1

VGA feature connector

CN5

Turbo switch

C2

VGA interface

CN6

Reset switch

C3

Floppy drive interface

CN7

Speaker

C4

IDE interface 1

CN8

Turbo LED

C5

IDE interface 2

CN9

IDE interface LED

C6

IR connector

IR1

Soft off power supply

C7

32-bit PCI slots

PC1 – PC4

Serial port 2

CN1

USB connector 1

USB1

Parallel port

CN2

USB connector 2

USB2

PS/2 mouse port

CN3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP2

Open

»

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

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

128MB

(2) 8M x 36

(2) 8M 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) 8M x 64

(1) 8M x 64

Note: Board accepts EDO & SDRAM memory.

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

JP3

JP4

JP7

JP8

JP9

133MHz

55MHz

2x

Open

Closed

Open

Closed

Closed

150MHz

60MHz

2x

Open

Closed

Open

Open

Closed

166MHz

66MHz

2x

Open

Closed

Open

Open

Open

200MHz

75MHz

2x

Open

Closed

Closed

Closed

Open

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

133MHz

55MHz

2x

Open

Closed

Open

Closed

Closed

150MHz

60MHz

2x

Open

Closed

Open

Open

Closed

166MHz

66MHz

2x

Open

Closed

Open

Open

Open

200MHz

75MHz

2x

Open

Closed

Closed

Closed

Open

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

133MHz

55MHz

2x

Open

Closed

Open

Closed

Closed

150MHz

60MHz

2x

Open

Closed

Open

Open

Closed

166MHz

66MHz

2x

Open

Closed

Open

Open

Open

200MHz

75MHz

2x

Open

Closed

Closed

Closed

Open

CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

133MHz

55MHz

2x

Open

Closed

Open

Closed

Closed

150MHz

60MHz

2x

Open

Closed

Open

Open

Closed

166MHz

66MHz

2x

Open

Closed

Open

Open

Open

200MHz

75MHz

2x

Open

Closed

Closed

Closed

Open

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

166MHz

60MHz

2.5x

Closed

Closed

Open

Open

Closed

200MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

233MHz

66MHz

3x

Closed

Open

Open

Open

Open

233MHz

75MHz

2.5x

Closed

Closed

Closed

Closed

Open

266MHz

66MHz

3.5x

Open

Open

Open

Open

Open

266MHz

75MHz

3x

Closed

Open

Closed

Closed

Open

CPU SPEED SELECTION (IBM 6X86MX)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

166MHz

60MHz

2.5x

Closed

Closed

Open

Open

Closed

200MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

233MHz

66MHz

3x

Closed

Open

Open

Open

Open

233MHz

75MHz

2.5x

Closed

Closed

Closed

Closed

Open

266MHz

66MHz

3.5x

Open

Open

Open

Open

Open

266MHz

75MHz

3x

Closed

Open

Closed

Closed

Open

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

90MHz

60MHz

1.5x

Open

Open

Open

Open

Closed

100MHz

66MHz

1.5x

Open

Open

Open

Open

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

CPU SPEED SELECTION (AK K6)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

200MHz

66MHz

3x

Closed

Open

Open

Open

Open

233MHz

66MHz

3.5x

Open

Open

Open

Open

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

90MHz

60MHz

1.5x

Open

Open

Open

Open

Closed

100MHz

66MHz

1.5x

Open

Open

Open

Open

Open

120MHz

60MHz

2x

Open

Closed

Open

Open

Closed

133MHz

66MHz

2x

Open

Closed

Open

Open

Open

150MHz

60MHz

2.5x

Closed

Closed

Open

Open

Closed

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

180MHz

60MHz

3x

Closed

Open

Open

Open

Closed

200MHz

66MHz

3x

Closed

Open

Open

Open

Open

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP7

JP8

JP9

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

200MHz

66MHz

3x

Closed

Open

Open

Open

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, 5 & 6, 7 & 8 closed

3.5v

Pins 1 & 2, 3 & 4, 5 & 6 closed

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP6

JP12

3.4v

2.1v

Open

Pins 1 & 2 closed

3.4v

2.8v

Open

Pins 7 & 8 closed

3.4v

2.9v

Open

Pins 1 & 2, 7 & 8 closed

3.4v

3.2v

Open

Pins 5 & 6, 7 & 8 closed

BIOS SELECTION

Type

JP16

JP17

1M/12v

Pins 2 & 3 closed

Pins 2 & 3 closed

1M/5v

Pins 1 & 2 closed

Pins 1 & 2 closed