PC CHIPS

M919

Processor

CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/CX486DX2/ IBM486DX2/TI486DX2/SGS486DX2/AM486DX2/80486DX2/

CX486DX4/IBM486DX4/TI486DX4/SGS486DX4/AM486DX4/

80486DX4/P24D/CX5X86/AM K5

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/ 120(internal)/133MHz

Chip Set

UMC

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256/512/1024KB

BIOS

AMI

Dimensions

250mm x 220mm

I/O Options

32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Speaker

J9

Serial port 2

CN2

Turbo LED

J10

Parallel port

CN3

Reset switch

J11

Floppy drive interface

CN4

Turbo switch

J12

IDE interface 1

CN5

IDE interface LED

J13

IDE interface 2

CN6

Green PC connector

J14

External battery

J4

32-bit PCI slots

PC1 - PC3

CPU fan power

J7

32-bit VESA local bus slot

SL1

Power LED & keylock

J8

Cache slot

SL2


USER CONFIGURABLE SETTINGS

Function

Label

Position

Ľ

Battery type select internal

J4

Closed

 

Battery type select external

J4

Pins 2 & 3 closed

Ľ

CMOS memory clear

J4

Pins 3 & 4 closed

 

Factory configured - do not alter

JP1

N/A

Ľ

Flash BIOS voltage select 12v

JP2

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP2

Pins 2 & 3 closed


DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

3MB

(1) 512K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

NONE

5MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 256K x 36

(1) 2M x 36

NONE

NONE

9MB

(1) 2M x 36

(1) 256K x 36

NONE

NONE

10MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

NONE

11MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

(1) 2M x 36

NONE

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

NONE

17MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

24MB

(1) 4M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE


DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

25MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

NONE

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

NONE

33MB

(1) 256K x 36

(1) 8M x 36

NONE

NONE

33MB

(1) 8M x 36

(1) 256K x 36

NONE

NONE

34MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

NONE

35MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

36MB

(1) 8M x 36

(1) 1M x 36

NONE

NONE

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

NONE

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

NONE

40MB

(1) 8M x 36

(1) 2M x 36

NONE

NONE

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

NONE

48MB

(1) 8M x 36

(1) 4M x 36

NONE

NONE

49MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

65MB

(1) 16M x 36

(1) 256K x 36

NONE

NONE

66MB

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

NONE

67MB

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 16M x 36

(1) 1M x 36

NONE

NONE

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE


DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

NONE

72MB

(1) 16M x 36

(1) 2M x 36

NONE

NONE

76MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

NONE

80MB

(1) 16M x 36

(1) 4M x 36

NONE

NONE

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

88MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

NONE

96MB

(1) 16M x 36

(1) 8M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

97MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

100MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

104MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36


CACHE CONFIGURATION

Size

SL1

128KB

128KB module installed

256KB

256KB module installed

512KB

512KB module installed

1MB

1MB module installed


CPU TYPE CONFIGURATION

Type

JP6

JP7

JP13

JP8A

JP8B

CX486DX

Open

Open

Open

Open

1 & 2

IBM486DX

Open

Open

Open

Open

1 & 2

TI486DX

Open

Open

Open

Open

1 & 2

SGS486DX

Open

Open

Open

Open

1 & 2

80486DX

Open

Closed

Open

2 & 3

Open

CX486DX2

Open

Open

Open

Open

1 & 2

IBM486DX2

Open

Open

Open

Open

1 & 2

TI486DX2

Open

Open

Open

Open

1 & 2

SGS486DX2

Open

Open

Open

Open

1 & 2

AM486DX2

Open

Closed

Open

2 & 3

Open

80486DX2

Open

Closed

Open

2 & 3

Open

CX486DX4

Open

Open

Open

Open

1 & 2

(SL)CX486DX4

Open

Open

Closed

1 & 2

Open

IBM486DX4

Open

Open

Open

Open

1 & 2

(SL)IBM486DX4

Open

Open

Closed

1 & 2

Open

TI486DX4

Open

Open

Open

Open

1 & 2

SGS486DX4

Open

Open

Open

Open

1 & 2

(SL)SGS486DX4

Open

Open

Closed

1 & 2

Open

AM486DX4

Open

Closed

Open

2 & 3

Open

80486DX4

Open

Open

Open

2 & 3

Open

P24D

Open

Open

Open

1 & 2

Open

CX5X86-133

Closed

Open

Open

1 & 2

Open

AM X5

Closed

Open

Open

1 & 2

Open

Note: Pins designated should be in the closed position.


CPU TYPE CONFIGURATION (CONíT)

Type

JP9A

JP9B

JP9C

JP10A

JP10B

CX486DX

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

IBM486DX

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

TI486DX

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

SGS486DX

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

80486DX

2 & 3

Open

Open

3 & 4

Open

CX486DX2

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

IBM486DX2

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

TI486DX2

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

SGS486DX2

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

AM486DX2

2 & 3

Open

Open

3 & 4

Open

80486DX2

2 & 3

Open

Open

3 & 4

Open

CX486DX4

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

(SL)CX486DX4

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

IBM486DX4

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

(SL)IBM486DX4

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

TI486DX4

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

SGS486DX4

1 & 2

1 & 2

2 & 3

3 & 4

2 & 3

(SL)SGS486DX4

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

AM486DX4

2 & 3

Open

Open

3 & 4

Open

80486DX4

1 & 2

1 & 2

Open

3 & 4

1 & 2

P24D

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

CX5X86-133

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

AM X5

1 & 2

1 & 2, 3 & 4

3 & 4

3 & 4

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.


CPU TYPE CONFIGURATION (CONíT)

Type

JP10C

JP11

JP12

JP14

CX486DX

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

IBM486DX

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

TI486DX

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

SGS486DX

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

80486DX

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

Open

CX486DX2

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

IBM486DX2

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

TI486DX2

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

SGS486DX2

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

AM486DX2

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

Open

80486DX2

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

Open

CX486DX4

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

(SL)CX486DX4

1 & 2, 3 & 4

Open

2 & 4, 3 & 5

2 & 3, 4 & 5

IBM486DX4

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

(SL)IBM486DX4

1 & 2, 3 & 4

Open

2 & 4, 3 & 5

2 & 3, 4 & 5

TI486DX4

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

SGS486DX4

1 & 2, 3 & 4

2 & 3

2 & 4, 3 & 5

1 & 2, 3 & 4

(SL)SGS486DX4

1 & 2, 3 & 4

Open

2 & 4, 3 & 5

2 & 3, 4 & 5

AM486DX4

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

Open

80486DX4

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

2 & 3, 4 & 5

P24D

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

2 & 3, 4 & 5

CX5X86-133

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

2 & 3, 4 & 5

AM X5

1 & 2, 3 & 4

Open

1 & 3, 2 & 4

2 & 3, 4 & 5

Note: Pins designated should be in the closed position.


CPU SPEED CONFIGURATION (DX4/5X86/X5 ONLY)

Speed

JP6

2x

Closed

3x

Open

4x

Closed


CPU SPEED CONFIGURATION

Speed

JP3

25MHz

Pins 5 & 6 closed

33MHz

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

40MHz

Pins 3 & 4, 5 & 6 closed

50iMHz

Pins 5 & 6 closed

50MHz

Pins 1 & 2 closed

66iMHz

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

75iMHz

Pins 5 & 6 closed

80iMHz

Pins 3 & 4, 5 & 6 closed

100iMHz

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

120iMHz

Pins 3 & 4, 5 & 6 closed

133iMHz

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


CPU VOLTAGE CONFIGURATION

Voltage

JP4

JP5A

JP5B

JP5C

JP5D

3.3v

Closed

1 & 2

1 & 2

1 & 2

1 & 2

4v

Open

1 & 2

1 & 2

1 & 2

1 & 2

5v

Closed

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.