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R557MIG

M TECHNOLOGY, INC.

R557MIG

Processor

CX M1/IBM/AM K5/AM K6/Pentium

Processor Speed

90/100/120/133/150/166/180/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

512KB

BIOS

Award

Dimensions

304mm x 244mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Power LED & keylock

J1

Serial port 2

CN1

Speaker

J2

Parallel port

CN2

Reset switch

J3

PS/2 mouse port

CN3

IDE interface LED

J4

Serial port 1

CN4

Green PC connector

J5

Floppy drive interface

CN5

32-bit PCI slots

PC1 PC4

IDE interface 1

CN6

USB connector 1

USB1

IDE interface 2

CN7

USB connector 2

USB2

IR connector

IR1

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

JP3

Unidentified

DRAM 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

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

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

DRAM VOLTAGE CONFIGURATION

Voltage

JP12

3.3v

Pins 3 & 5, 4 & 6 closed

5v

Pins 1 & 3, 2 & 4 closed

CACHE CONFIGURATION

Size

Bank 0

TAG

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP4

JP8

JP9

133MHz

55MHz

2x

Closed

Open

Open

Closed

Closed

150MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

166MHz

66MHz

2x

Closed

Open

Open

Open

Open

200MHz

75MHz

2x

Closed

Open

Open

Open

Closed

CPU SPEED SELECTION (IBM)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP4

JP8

JP9

133MHz

55MHz

2x

Closed

Open

Open

Closed

Closed

150MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

166MHz

66MHz

2x

Closed

Open

Open

Open

Open

200MHz

75MHz

2x

Closed

Open

Open

Open

Closed

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP4

JP8

JP9

90MHz

60MHz

1.5x

Open

Open

Closed

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Open

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

CPU SPEED SELECTION (AMD K6)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP4

JP8

JP9

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

200MHz

66MHz

3x

Open

Closed

Open

Open

Open

233MHz

66MHz

3.5x

Open

Open

Open

Open

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP4

JP8

JP9

90MHz

60MHz

1.5x

Open

Open

Closed

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Open

Open

120MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

133MHz

66MHz

2x

Closed

Open

Open

Open

Open

150MHz

60MHz

2.5x

Closed

Closed

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

Open

Open

180MHz

60MHz

3x

Open

Closed

Closed

Closed

Open

200MHz

66MHz

3x

Open

Closed

Open

Open

Open

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP7

JP19

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)

V core

JP7

JP19

2.5v

Open

Pins 11 & 12 closed

2.8v

Open

Pins 9 & 10 closed

2.9v

Open

Pins 7 & 8 closed

3.2v

Open

Pins 5 & 6 closed

FLASH BIOS SELECTION

Setting

JP17

JP18

2M/5v

Pins 1 & 2 closed

Pins 1 & 2 closed

1M/5v

Pins 1 & 2 closed

Pins 2 & 3 closed