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F4DXL-UC4

UNIDENTIFIED

F4DXL-UC4

Processor

UMCU5/80486SX/IBM486DX/CX486DX/AM486DX/80486DX/IBM486DX2/ CX486DX2/AM486DX2/80486DX2/IBM486DX4/CX486DX4/AM486DX4/ 80486DX4/P24T

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

144MB

Cache

64/128/256KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

D1

Turbo switch

JP27

External battery

JP1

Speaker

JP28

Green PC LED

JP24

Power LED & keylock

JP29

Green PC connector

JP25

32-bit VESA local bus slots

SL1 - SL3

Reset switch

JP26

   

Note: The location of D1 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

CMOS memory normal operation

JP1

Pins 2 & 3 closed

 

CMOS memory clear

JP1

Pins 3 & 4 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

None

None

(4) 256K x 9

4MB

None

None

(4) 1M x 9

4MB

(1) 1M x 36

None

None

5MB

(1) 1M x 36

None

(4) 256K x 9

8MB

(1) 1M x 36

None

(4) 1M x 9

8MB

(1) 1M x 36

(1) 1M x 36

None

8MB

(1) 2M x 36

None

None

9MB

(1) 1M x 36

(1) 1M x 36

(4) 256K x 9

12MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

16MB

None

None

(4) 4M x 9

16MB

(1) 2M x 36

(1) 2M x 36

None

16MB

(1) 4M x 36

None

None

20MB

(1) 1M x 36

None

(4) 4M x 9

24MB

(1) 2M x 36

None

(4) 4M x 9

32MB

(1) 2M x 36

(1) 2M x 36

(4) 4M x 9

32MB

(1) 4M x 36

None

(4) 4M x 9

32MB

(1) 8M x 36

None

None

48MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

64MB

(1) 8M x 36

(1) 8M x 36

None

64MB

(1) 16M x 36

None

None

128MB

(1) 16M x 36

(1) 16M x 36

None

144MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

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 (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

None

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

64KB

Open

Open

Open

Pins 2 & 3 closed

128KB

Open

Closed

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB (A)

Closed

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

256KB (B)

Closed

Closed

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP11

JP12

JP13

JP17

UMC U5

2 & 3

2 & 3

2 & 3

3 & 4

80486SX

Open

2 & 3

2 & 3

Open

IBM486DX

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

2 & 3

Open

CX486DX

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

2 & 3

Open

AM486DX

Open

2 & 3

1 & 2, 3 & 4

1 & 2

80486DX

Open

2 & 3

1 & 2, 3 & 4

1 & 2

IBM486DX2

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

CX486DX2

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

AM486DX2

Open

2 & 3

1 & 2, 3 & 4

1 & 2

AM486DX2-80

2 & 3

2 & 3

1 & 2, 3 & 4

1 & 2, 3 & 4

80486DX2

Open

2 & 3

1 & 2, 3 & 4

1 & 2

80486DX2-66 (OD)

1 & 2, 4 & 5

1 & 2, 4 & 5

1 & 2, 3 & 4

1 & 2

IBM486DX4

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

CX486DX4

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

AM486DX4

2 & 3

2 & 3

1 & 2, 3 & 4

1 & 2, 3 & 4

80486DX4

1 & 2

1 & 2

1 & 2, 3 & 4

1 & 2

P24T

1 & 2

1 & 2

1 & 2, 3 & 4

2 & 3

Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU TYPE CONFIGURATION (CONíT)

Type

JP18

JP19

JP20

UMC U5

1 & 2

Open

Open

80486SX

Open

Open

Open

IBM486DX

2 & 3, 4 & 5

2 & 3, 4 & 5

Open

CX486DX

2 & 3, 4 & 5

2 & 3, 4 & 5

Open

AM486DX

Open

Open

Open

80486DX

Open

Open

Open

IBM486DX2

2 & 3, 4 & 5

2 & 3

Open

CX486DX2

2 & 3, 4 & 5

2 & 3

Open

AM486DX2

Open

Open

Open

AM486DX2-80

1 & 2

Open

1 & 2

80486DX2

Open

Open

Open

80486DX2-66 (OD)

3 & 4, 5 & 6

1 & 2, 3 & 4

Open

IBM486DX4

2 & 3, 4 & 5

2 & 3

Open

CX486DX4

2 & 3, 4 & 5

2 & 3

Open

AM486DX4

1 & 2

Open

Open

80486DX4

5 & 6

1 & 2, 3 & 4

Open

P24T

5 & 6

1 & 2, 3 & 4

Open

Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU SPEED CONFIGURATION

Speed

JP4

JP5

JP6

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

80iMHz

Open

Closed

Closed

100iMHz

Closed

Closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP14

JP15

JP16

JP23

Ľ

3.3v

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

 

4v

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

 

5v

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Open