HwMuseum | Index

M TECHNOLOGY, INC.

R418 PCI-486

Processor

80486SX/CX486DX/80486DX/AM486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

256MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), 32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Turbo switch

J3

Serial port 1

CN2

Turbo LED

J4

Parallel port

CN3

Reset switch

J5

Floppy drive interface

CN4

Break switch

J6

IDE interface 2

CN5

IDE interface LED

J7

IDE interface 1

CN6

Green PC connector

J9

Power LED & keylock

J1

32-bit PCI slots

PC1 - PC3

Speaker

J2

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Serial port 1 IRQ select IRQ4

JP27

pins 1 & 2, 3 & 4 closed

 

Serial port 2 IRQ select IRQ3

JP27

pins 1 & 2, 3 & 4 closed

»

Parallel port IRQ select IRQ7

JP28

pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

JP28

pins 1 & 2 closed

»

CMOS memory normal operation

JP49

pins 1 & 2 closed

 

CMOS memory clear

JP49

pins 2 & 3 closed

»

Monitor type select monochrome

JP51

Open

 

Monitor type select color

JP51

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

1MB

NONE

NONE

(1) 256K x 36

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

2MB

NONE

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

NONE

(1) 512K x 36

NONE

3MB

NONE

NONE

(1) 256K x 36

(1) 512K x 36

3MB

NONE

NONE

(1) 512K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

NONE

4MB

NONE

NONE

(1) 512K x 36

(1) 512K x 36

4MB

NONE

NONE

(1) 1M x 36

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

NONE

5MB

NONE

NONE

(1) 256K x 36

(1) 1M x 36

5MB

NONE

NONE

(1) 1M x 36

(1) 256K x 36

6MB

(4) 1M x 9

NONE

(1) 256K x 36

(1) 256K x 36

6MB

NONE

NONE

(1) 512K x 36

(1) 1M x 36

6MB

NONE

NONE

(1) 1M x 36

(1) 512K x 36

7MB

(4) 256K x 9

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 256K x 9

(1) 256K x 36

(1) 512K x 36

8MB

NONE

NONE

(1) 1M x 36

(1) 1M x 36

8MB

NONE

NONE

(1) 2M x 36

NONE

9MB

NONE

NONE

(1) 256K x 36

(1) 2M x 36

9MB

NONE

NONE

(1) 2M x 36

(1) 256K x 36

10MB

NONE

NONE

(1) 512K x 36

(1) 2M x 36

10MB

NONE

NONE

(1) 2M x 36

(1) 512K x 36

11MB

(4) 256K x 9

(4) 1M x 9

(1) 1M x 36

(1) 512K x 36

12MB

NONE

NONE

(1) 1M x 36

(1) 2M x 36

12MB

NONE

NONE

(1) 2M x 36

(1) 1M x 36

13MB

(4) 1M x 9

(4) 1M x 9

(1) 256K x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

16MB

NONE

NONE

(1) 2M x 36

(1) 2M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

NONE

NONE

(1) 4M x 36

NONE

17MB

(4) 256K x 9

(4) 4M x 9

NONE

NONE

17MB

(4) 4M x 9

(4) 256K x 9

NONE

NONE

17MB

NONE

NONE

(1) 256K x 36

(1) 4M x 36

17MB

NONE

NONE

(1) 4M x 36

(1) 256K x 36

18MB

NONE

NONE

(1) 512K x 36

(1) 4M x 36

18MB

NONE

NONE

(1) 4M x 36

(1) 512K x 36

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

20MB

NONE

NONE

(1) 1M x 36

(1) 4M x 36

20MB

NONE

NONE

(1) 4M x 36

(1) 1M x 36

22MB

(4) 4M x 9

(4) 1M x 9

(1) 512K x 36

NONE

24MB

NONE

NONE

(1) 2M x 36

(1) 4M x 36

24MB

NONE

NONE

(1) 4M x 36

(1) 2M x 36

25MB

(4) 256K x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

25MB

(4) 256K x 9

NONE

(1) 4M x 36

(1) 2M x 36

26MB

(4) 4M x 9

NONE

(1) 2M x 36

(1) 512K x 36

28MB

(4) 1M x 9

(4) 4M x 9

(1) 2M x 36

NONE

29MB

(4) 1M x 9

(4) 4M x 9

(1) 256K x 36

(1) 2M x 36

29MB

(4) 4M x 9

(4) 256K x 9

(1) 2M x 36

(1) 1M x 36

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

32MB

NONE

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

NONE

(1) 8M x 36

NONE

33MB

NONE

NONE

(1) 256K x 36

(1) 8M x 36

33MB

NONE

NONE

(1) 8M x 36

(1) 256K x 36

34MB

(4) 256K x 9

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

34MB

NONE

NONE

(1) 512K x 36

(1) 8M x 36

34MB

NONE

NONE

(1) 8M x 36

(1) 512K x 36

35MB

(4) 4M x 9

(4) 4M x 9

(1) 512K x 36

(1) 256K x 36

36MB

(4) 4M x 9

(4) 1M x 9

(1) 2M x 36

(1) 2M x 36

36MB

NONE

NONE

(1) 1M x 36

(1) 8M x 36

36MB

NONE

NONE

(1) 8M x 36

(1) 1M x 36

37MB

(4) 1M x 9

NONE

(1) 8M x 36

(1) 256K x 36

39MB

(4) 1M x 9

(4) 256K x 9

(1) 8M x 36

(1) 512K x 36

40MB

NONE

NONE

(1) 2M x 36

(1) 8M x 36

40MB

NONE

NONE

(1) 8M x 36

(1) 2M x 36

41MB

(4) 1M x 9

(4) 256K x 9

(1) 1M x 36

(1) 8M x 36

44MB

(4) 1M x 9

(4) 1M x 9

(1) 8M x 36

(1) 1M x 36

48MB

NONE

NONE

(1) 4M x 36

(1) 8M x 36

48MB

NONE

NONE

(1) 8M x 36

(1) 4M x 36

49MB

(4) 4M x 9

NONE

(1) 256K x 36

(1) 8M x 36

53MB

(4) 256K x 9

(4) 1M x 9

(1) 4M x 36

(1) 8M x 36

56MB

(4) 4M x 9

(4) 4M x 9

(1) 2M x 36

(1) 4M x 36

60MB

(4) 1M x 9

(4) 4M x 9

(1) 8M x 36

(1) 2M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(4) 16M x 9

NONE

NONE

NONE

64MB

NONE

NONE

(1) 8M x 36

(1) 8M x 36

64MB

NONE

NONE

(1) 16M x 36

NONE

65MB

(4) 256K x 9

(4) 16M x 9

NONE

NONE

65MB

(4) 16M x 9

(4) 256K x 9

NONE

NONE

65MB

NONE

NONE

(1) 256K x 36

(1) 16M x 36

65MB

NONE

NONE

(1) 16M x 36

(1) 256K x 36

66MB

(4) 256K x 9

(4) 16M x 9

(1) 256K x 36

NONE

66MB

NONE

NONE

(1) 512K x 36

(1) 16M x 36

66MB

NONE

NONE

(1) 16M x 36

(1) 512K x 36

68MB

(4) 1M x 9

(4) 16M x 9

NONE

NONE

68MB

(4) 16M x 9

(4) 1M x 9

NONE

NONE

68MB

NONE

NONE

(1) 1M x 36

(1) 16M x 36

68MB

NONE

NONE

(1) 16M x 36

(1) 1M x 36

70MB

(4) 16M x 9

NONE

(1) 512K x 36

(1) 1M x 36

72MB

NONE

NONE

(1) 2M x 36

(1) 16M x 36

72MB

NONE

NONE

(1) 16M x 36

(1) 2M x 36

75MB

(4) 16M x 9

(4) 256K x 9

(1) 512K x 36

(1) 2M x 36

76MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 16M x 36

77MB

(4) 1M x 9

(4) 16M x 9

(1) 2M x 36

(1) 256K x 36

80MB

(4) 4M x 9

(4) 16M x 9

NONE

NONE

80MB

(4) 16M x 9

(4) 4M x 9

NONE

NONE

80MB

(4) 4M x 9

NONE

(1) 8M x 36

(1) 8M x 36

80MB

NONE

NONE

(1) 4M x 36

(1) 16M x 36

80MB

NONE

NONE

(1) 16M x 36

(1) 4M x 36

81MB

(4) 16M x 9

(4) 256K x 9

(1) 4M x 36

NONE

82MB

(4) 4M x 9

(4) 256K x 9

(1) 256K x 36

(1) 16M x 36

84MB

(4) 4M x 9

(4) 16M x 9

(1) 512K x 36

(1) 512K x 36

85MB

(4) 1M x 9

(4) 16M x 9

(1) 256K x 36

(1) 4M x 36

85MB

(4) 16M x 9

(4) 1M x 9

(1) 4M x 36

(1) 256K x 36

86MB

(4) 16M x 9

(4) 1M x 9

(1) 512K x 36

(1) 4M x 36

96MB

NONE

NONE

(1) 8M x 36

(1) 16M x 36

96MB

NONE

NONE

(1) 16M x 36

(1) 8M x 36

97MB

(4) 256K x 9

(4) 16M x 9

(1) 8M x 36

NONE

97MB

(4) 4M x 9

(4) 4M x 9

(1) 16M x 36

(1) 256K x 36

98MB

(4) 16M x 9

(4) 4M x 9

(1) 4M x 36

(1) 512K x 36

113MB

(4) 4M x 9

(4) 256K x 9

(1) 8M x 36

(1) 16M x 36

114MB

(4) 16M x 9

(4) 4M x 9

(1) 512K x 36

(1) 8M x 36

120MB

(4) 4M x 9

(4) 16M x 9

(1) 2M x 36

(1) 8M x 36

128MB

(4) 16M x 9

(4) 16M x 9

NONE

NONE

128MB

NONE

NONE

(1) 16M x 36

(1) 16M x 36

132MB

(4) 16M x 9

NONE

(1) 16M x 36

(1) 1M x 36

136MB

(4) 16M x 9

NONE

(1) 2M x 36

(1) 16M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

137MB

(4) 16M x 9

(4) 256K x 9

(1) 16M x 36

(1) 2M x 36

148MB

(4) 16M x 9

(4) 16M x 9

(1) 4M x 36

(1) 1M x 36

148MB

(4) 16M x 9

(4) 1M x 9

(1) 16M x 36

(1) 4M x 36

176MB

(4) 16M x 9

(4) 4M x 9

(1) 16M x 36

(1) 8M x 36

194MB

(4) 16M x 9

(4) 16M x 9

(1) 512K x 36

(1) 16M x 36

256MB

(4) 16M x 9

(4) 16M x 9

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

NONE

(1) 32K x 8

512KB (A)

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB (B)

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

JP10

128KB

1 & 2, 4 & 5

1 & 2

1 & 2

Open

1 & 2

1 & 2

256KB (A)

2 & 3, 4 & 5

2 & 3

2 & 3

Open

1 & 2

2 & 3

256KB (B)

1 & 2, 3 & 4

1 & 2

1 & 2

Open

1 & 2

2 & 3

512KB (A)

2 & 3, 4 & 5

2 & 3

2 & 3

Open

2 & 3

2 & 3

512KB (B)

1 & 2, 4 & 5

1 & 2

1 & 2

Open

2 & 3

2 & 3

1MB

2 & 3, 4 & 5

2 & 3

2 & 3

Open

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP12

JP13

JP14

JP15

JP16

80486SX

2 & 3

Open

2 & 3

Open

3 & 4

CX486DX

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

80486DX

2 & 3

2 & 3

2 & 3

Open

3 & 4

AM486DX2

2 & 3

2 & 3

2 & 3

Open

3 & 4

80486DX2

2 & 3

2 & 3

2 & 3

Open

3 & 4

80486DX4

2 & 3

2 & 3

2 & 3

Open

3 & 4

P24D

1 & 2

2 & 3

2 & 3

Open

1 & 2, 3 & 4

P24T

1 & 2

1 & 2

2 & 3

1 & 2

3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP17

JP18

JP19

JP20

80486SX

pins 3 & 4 closed

Open

Open

Open

CX486DX

pins 2 & 3 closed

Open

Open

Open

80486DX

pins 3 & 4 closed

Open

Open

Open

AM486DX2

pins 3 & 4 closed

2 & 3

Open

Open

80486DX2

pins 3 & 4 closed

Open

Open

Open

80486DX4

pins 3 & 4 closed

Open

Open

Open

P24D

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 1 & 2 closed

P24T

pins 1 & 2 closed

Open

Open

Open

CPU TYPE CONFIGURATION (CON’T)

Type

JP21

JP22

JP23

JP24

80486SX

Open

pins 2 & 3 closed

pins 4 & 5 closed

Open

CX486DX

Open

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

80486DX

Open

pins 1 & 2, 3 & 4 closed

pins 4 & 5 closed

Open

AM486DX2

Open

pins 1 & 2, 3 & 4 closed

pins 4 & 5 closed

Open

80486DX2

Open

pins 1 & 2, 3 & 4 closed

pins 4 & 5 closed

Open

80486DX4

Open

pins 1 & 2, 3 & 4 closed

pins 4 & 5 closed

Open

P24D

Open

pins 1 & 2, 3 & 4 closed

pins 4 & 5 closed

pins 2 & 3 closed

P24T

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Open

CPU SPEED CONFIGURATION

Speed

JP25

JP38

JP39

JP40

25MHz

pins 1 & 2 closed

Open

Open

Open

33MHz

pins 1 & 2 closed

Closed

Closed

Open

40MHz

pins 1 & 2 closed

Closed

Open

Open

50iMHz

pins 1 & 2 closed

Open

Open

Open

50MHz

pins 2 & 3 closed

Open

Closed

Open

66iMHz

pins 1 & 2 closed

Closed

Closed

Open

75iMHz

pins 1 & 2 closed

Open

Open

Open

80iMHz

pins 1 & 2 closed

Closed

Open

Open

100iMHz

pins 1 & 2 closed

Closed

Closed

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP42

JP43

JP44

JP45

JP46

3.3v

Closed

Open

Open

Open

Open

3.45v

Open

Closed

Open

Open

Open

3.6v

Open

Open

Closed

Open

Open

3.75v

Open

Open

Open

Closed

Open

3.9v

Open

Open

Open

Open

Closed

BIOS CONFIGURATION

Type

JP52

JP53

EEPROM

pins 2 & 3 closed

pins 2 & 3 closed

12v flash

pins 1 & 2 closed

pins 1 & 2 closed

DMA CONFIGURATION

DMA

JP36

JP37

DMA 1

pins 2 & 3 closed

pins 2 & 3 closed

DMA 3

pins 1 & 2 closed

pins 1 & 2 closed