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R407 VESA 486

M TECHNOLOGY, INC.

R407 VESA 486

Processor

80486SX/CX486DX/80486DX/CX486DX2/80486DX2/80486DX4/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

64/128/256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Reset switch

J7

Power LED & keylock

J3

Green PC connector

J8

Speaker

J4

Bus mouse port

JP60

Turbo switch

J5

Green PC connector

JP61

Turbo LED

J6

Green PC connector

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

Factory configured - do not alter

JP43

N/A

Ľ

CMOS memory normal operation

JP50

pins 1 & 2 closed

 

CMOS memory clear

JP50

pins 2 & 3 closed

Ľ

Monitor type select CGA

JP62

Closed

 

Monitor type select monochrome/EGA/VGA

JP62

Open

DRAM CONFIGURATION (MODE 1)

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(1) 1M x 36

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

17MB

(4) 256K x 9

(4) 4M x 9

NONE

(1) 1M x 36

18MB

(4) 256K x 9

(4) 256K x 9

(1) 4M x 36

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(1) 4M x 36

NONE

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(1) 4M x 36

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

NONE

65MB

(4) 256K x 9

(4) 16M x 9

(1) 16M x 36

NONE

68MB

(4) 1M x 9

(4) 16M x 9

(1) 16M x 36

NONE

72MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 16M x 36

80MB

(4) 4M x 9

(4) 16M x 9

(1) 16M x 36

NONE

96MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 16M x 36

128MB

(4) 16M x 9

(4) 16M x 9

NONE

NONE

DRAM CONFIGURATION (MODE 2)

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

NONE

NONE

(1) 256K x 36

NONE

2MB

NONE

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

NONE

(1) 512K x 36

NONE

4MB

NONE

NONE

(1) 512K x 36

(1) 512K x 36

4MB

NONE

NONE

(1) 1M x 36

NONE

5MB

NONE

NONE

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

NONE

(1) 256K x 36

(1) 256K x 36

DRAM CONFIGURATION (MODE 2 CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

6MB

NONE

NONE

(1) 512K x 36

(1) 1M x 36

8MB

(4) 1M x 9

NONE

(1) 512K 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

10MB

(4) 1M x 9

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

12MB

(4) 1M x 9

(4) 1M x 9

(1) 512K x 36

(1) 512K x 36

12MB

(4) 1M x 9

NONE

(1) 1M x 36

(1) 1M x 36

12MB

NONE

NONE

(1) 1M x 36

(1) 2M x 36

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

NONE

NONE

(1) 2M x 36

(1) 2M x 36

16MB

NONE

NONE

(1) 4M x 36

NONE

17MB

NONE

NONE

(1) 256K x 36

(1) 4M x 36

18MB

(4) 4M x 9

NONE

(1) 256K x 36

(1) 256K x 36

18MB

NONE

NONE

(1) 512K x 36

(1) 4M x 36

20MB

(4) 4M x 9

NONE

(1) 512K x 36

(1) 512K x 36

20MB

NONE

NONE

(1) 1M x 36

(1) 4M x 36

24MB

(4) 1M x 9

(4) 4M x 9

(1) 512K x 36

(1) 512K x 36

24MB

(4) 4M x 9

NONE

(1) 1M x 36

(1) 1M x 36

24MB

NONE

NONE

(1) 2M x 36

(1) 4M x 36

32MB

(4) 4M x 9

NONE

(1) 2M x 36

(1) 2M x 36

32MB

NONE

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

NONE

(1) 8M x 36

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(1) 512K x 36

(1) 512K x 36

36MB

(4) 4M x 9

NONE

(1) 1M x 36

(1) 4M x 36

36MB

NONE

NONE

(1) 1M x 36

(1) 8M x 36

40MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 2M x 36

(1) 2M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

48MB

NONE

NONE

(1) 4M x 36

(1) 8M x 36

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

NONE

NONE

(1) 16M x 36

NONE

64MB

NONE

NONE

(1) 8M x 36

(1) 8M x 36

65MB

NONE

NONE

(1) 256K x 36

(1) 16M x 36

68MB

NONE

NONE

(1) 1M x 36

(1) 16M x 36

72MB

(4) 16M x 9

NONE

(1) 1M x 36

(1) 1M x 36

80MB

NONE

NONE

(1) 4M x 36

(1) 16M x 36

96MB

(4) 16M x 9

NONE

(1) 4M x 36

(1) 4M x 36

128MB

NONE

NONE

(1) 16M x 36

(1) 16M x 36

DRAM JUMPER CONFIGURATION

Type

JP30

JP31

JP32

JP33

Mode 1

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Mode 2

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB

(4) 64K x 8

NONE

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB

(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

JP20

JP21

JP22

JP23

JP24

JP25

JP26

256KB

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Open

Note: The jumper settings for the remaining cache sizes are unidentified by the manufacturer. Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP3

JP4

JP5

80486SX

Open

3 & 4

1 & 2

2 & 3

2 & 3

CX486DX

2 & 3

2 & 3

Open

2 & 3

1 & 2

80486DX

Open

3 & 4

1 & 2

2 & 3

2 & 3

CX486DX2

2 & 3

2 & 3

Open

2 & 3

1 & 2

80486DX2

Open

3 & 4

1 & 2

2 & 3

2 & 3

80486DX4

Open

3 & 4

1 & 2

2 & 3

2 & 3

P24D

Open

1 & 2

2 & 3

1 & 2

1 & 2

Pentium Overdrive

1 & 2

1 & 2

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JP6

JP7

JP8

JP9

JP10

80486SX

1 & 2

2 & 3

Open

2 & 3

3 & 4

CX486DX

2 & 3

1 & 2

3 & 4

1 & 2, 3 & 4

2 & 3

80486DX

1 & 2

2 & 3

3 & 4

1 & 2, 3 & 4

3 & 4

CX486DX2

2 & 3

1 & 2

3 & 4

1 & 2, 3 & 4

2 & 3

80486DX2

1 & 2

2 & 3

3 & 4

1 & 2, 3 & 4

3 & 4

80486DX4

1 & 2

2 & 3

3 & 4

1 & 2, 3 & 4

3 & 4

P24D

1 & 2

2 & 3

3 & 4

1 & 2, 3 & 4

1 & 2, 3 & 4

Pentium Overdrive

1 & 2

2 & 3

2 & 3

1 & 2, 3 & 4

3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JP11

JP12

JP13

JP14

JP16

80486SX

4 & 5

Open

Open

Open

1 & 2

CX486DX

2 & 3

Open

Open

Open

1 & 2

80486DX

4 & 5

Open

Open

Open

1 & 2

CX486DX2

2 & 3

Open

Open

Open

1 & 2

80486DX2

4 & 5

Open

Open

Open

1 & 2

80486DX4

4 & 5

Open

Open

Open

1 & 2

P24D

4 & 5

Open

1 & 2

1 & 2

1 & 2

Pentium Overdrive

1 & 2

Open

Open

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP40

JP41

JP42

25MHz

Closed

Open

Closed

33MHz

Closed

Closed

Open

40MHz

Open

Open

Closed

50iMHz

Closed

Open

Closed

50MHz

Open

Closed

Open

66iMHz

Closed

Closed

Open

75iMHz

Closed

Open

Closed

100iMHz

Closed

Closed

Open

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP15

2x

pins 2 & 3 closed

2.5x

pins 1 & 2 closed

3x

Open

VESA WAIT STATE CONFIGURATION

Wait states

JP44

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP45

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed