...because we can't all be on the bleeding edge...





4ULD.1

CHAINTECH COMPUTER COMPANY, LTD.

4ULD.1

Processor

80486SX/SL80486SX/UMCU5S/CX486M7/AM486DXL/80486DX/SL80486DX/ AM486DXL2/80486DX2/SL80486DX/80486DX4/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

64MB

Cache

128/256KB

BIOS

Award

Dimensions

250mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

JP1

Green PC connector

JP20

Green PC connector

JP2

Reset switch

JP21

Green PC connector

JP3

Speaker

JP23

Green PC connector

JP4

Turbo LED

JP26

Green PC connector

JP5

Green PC LED

JP33

External battery

JP8

32-bit VESA local bus slots

SL1 - SL3

Turbo switch

JP16

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

Battery type select internal

JP8

pins 2 & 3 closed

 

CMOS memory clear

JP8

pins 3 & 4 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 512K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

3MB

(4) 256K x 9

(1) 512K x 36

NONE

3MB

NONE

(1) 512K x 36

(1) 256K x 36

3MB

NONE

(1) 256K x 36

(1) 512K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

(1) 512K x 36

(1) 512K x 36

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

NONE

(1) 1M x 36

(1) 256K x 36

5MB

NONE

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 512K x 36

NONE

6MB

NONE

(1) 1M x 36

(1) 512K x 36

6MB

NONE

(1) 512K x 36

(1) 1M x 36

8MB

(4) 1M x 9

(1) 1M x 36

NONE

8MB

NONE

(1) 2M x 36

NONE

8MB

NONE

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 2M x 36

NONE

9MB

NONE

(1) 2M x 36

(1) 256K x 36

9MB

NONE

(1) 256K x 36

(1) 2M x 36

10MB

NONE

(1) 2M x 36

(1) 512K x 36

10MB

NONE

(1) 512K x 36

(1) 2M x 36

12MB

(4) 1M x 9

(1) 2M x 36

NONE

12MB

NONE

(1) 2M x 36

(1) 1M x 36

12MB

NONE

(1) 1M x 36

(1) 2M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

(1) 2M x 36

(1) 2M x 36

17MB

(4) 4M x 9

(1) 256K x 36

NONE

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

NONE

(1) 4M x 36

(1) 256K x 36

17MB

NONE

(1) 256K x 36

(1) 4M x 36

18MB

(4) 4M x 9

(1) 512K x 36

NONE

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

18MB

NONE

(1) 4M x 36

(1) 512K x 36

18MB

NONE

(1) 512K x 36

(1) 4M x 36

20MB

(4) 4M x 9

(1) 1M x 36

NONE

20MB

(4) 1M x 9

(1) 4M x 36

NONE

20MB

NONE

(1) 4M x 36

(1) 1M x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

24MB

(4) 4M x 9

(1) 2M x 36

NONE

24MB

NONE

(1) 4M x 36

(1) 2M x 36

24MB

NONE

(1) 2M x 36

(1) 4M x 36

32MB

(4) 8M x 9

NONE

NONE

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

NONE

(1) 8M x 36

NONE

32MB

NONE

(1) 4M x 36

(1) 4M x 36

33MB

(4) 8M x 9

(1) 256K x 36

NONE

33MB

(4) 256K x 9

(1) 8M x 36

NONE

33MB

NONE

(1) 8M x 36

(1) 256K x 36

33MB

NONE

(1) 256K x 36

(1) 8M x 36

34MB

(4) 8M x 9

(1) 512K x 36

NONE

34MB

NONE

(1) 8M x 36

(1) 512K x 36

34MB

NONE

(1) 512K x 36

(1) 8M x 36

36MB

(4) 8M x 9

(1) 1M x 36

NONE

36MB

(4) 1M x 9

(1) 8M x 36

NONE

36MB

NONE

(1) 8M x 36

(1) 1M x 36

36MB

NONE

(1) 1M x 36

(1) 8M x 36

40MB

(4) 8M x 9

(1) 2M x 36

NONE

40MB

NONE

(1) 8M x 36

(1) 2M x 36

40MB

NONE

(1) 2M x 36

(1) 8M x 36

48MB

(4) 8M x 9

(1) 4M x 36

NONE

48MB

(4) 4M x 9

(1) 8M x 36

NONE

48MB

NONE

(1) 8M x 36

(1) 4M x 36

48MB

NONE

(1) 4M x 36

(1) 8M x 36

64MB

(4) 16M x 9

NONE

NONE

64MB

(4) 8M x 9

(1) 8M x 36

NONE

64MB

NONE

(1) 8M x 36

(1) 8M 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) 16K or (1) 32K x 8

256KB (B)

(4) 64K x 8

NONE

(1) 16K or (1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

JP14

JP15

128KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB (A)

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB (B)

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JS1

JS2

JS3

JS4

JS5

80486SX

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

SL80486SX

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

UMCU5S

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

CX486M7

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

AM486DXL

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

SL80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

AM486DXL2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

SL80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

P24D

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80486DX4

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Pentium Overdrive

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JS6

JS7

JS8

JS9

JS10

80486SX

1 & 2

1 & 2

3 & 4

1 & 2

2 & 3

SL80486SX

1 & 2

1 & 2

3 & 4

1 & 2

1 & 2

UMCU5S

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

CX486M7

3 & 4

3 & 4

1 & 2

3 & 4

1 & 2

AM486DXL

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

SL80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

AM486DXL2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

SL80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

P24D

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

80486DX4

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Pentium Overdrive

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JS11

JS12

JS13

JS14

80486SX

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

SL80486SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

UMCU5S

pins 3 & 4 closed

pins 2 & 3 closed

pins 3 & 4 closed

pins 2 & 3 closed

CX486M7

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 3 & 4 closed

AM486DXL

pins 3 & 4 closed

pins 2 & 3 closed

pins 3 & 4 closed

pins 2 & 3 closed

80486DX

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

SL80486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

AM486DXL2

pins 3 & 4 closed

pins 2 & 3 closed

pins 3 & 4 closed

pins 2 & 3 closed

80486DX2

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

pins 3 & 4 closed

SL80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

P24D

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX4

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Pentium Overdrive

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION (MX8315/UM9515)

Speed

JP17

JP18

JP19

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Closed

Open

Closed

50iMHz

Open

Open

Closed

50MHz

Open

Closed

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

80iMHz

Closed

Open

Closed

100iMHz

Closed

Closed

Closed

CPU SPEED CONFIGURATION (IMIS466)

Speed

JP17

JP18

JP19

25MHz

Open

Open

Open

33MHz

Closed

Closed

Open

40MHz

Closed

Open

Open

50iMHz

Open

Open

Open

50MHz

Open

Closed

Open

66iMHz

Closed

Closed

Open

75iMHz

Open

Open

Open

80iMHz

Closed

Open

Open

100iMHz

Closed

Closed

Open

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP25

2x

pins 2 & 3 closed

3x

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP10

JP11

JP12

3.3v

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

5v

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP24

0 wait states

Open

1 wait state

Closed

VL BUS SPEED CONFIGURATION

CPU speed

JP22

<= 33MHz

Open

> 33MHz

Closed