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





486SPM

CHAINTECH COMPUTER COMPANY, LTD

486SPM

Processor

80486SX/CX486DX/AM486DX/U5S/80486DX/ODP486SX/CX486DX2/ CX486DX2V/AM486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4-NV8T/ AM486DX4-SV8B/80486DX4/80486DX4(WB)/Pentium Overdrive/

SL Pentium Overdrive/CXM1SC

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

220mm x 250mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN2

Green PC LED

JP27

Serial port 2

CN3

Green PC connector

JP29

Parallel port

CN4

Turbo switch

JP35

Floppy drive interface

CN5

Turbo LED

JP36

IDE interface 1

CN6

Speaker

JP37

IDE interface 2

CN7

Reset switch

JP44

External battery

JP12

Power LED & keylock

JP45

IDE interface LED 1

JP14

32-bit PCI slots

PCI1 - PCI3

IDE interface LED 2

JP15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP13

pins 1 & 2 closed

 

CMOS memory clear

JP13

pins 2 & 3 closed

»

PCI-Bus clock select normal speed

JP21

pins 1 & 2 closed

 

PCI-Bus clock select ½ speed

JP21

pins 2 & 3 closed

»

Factory configured - do not alter

JP31

pins 1 & 2 closed

»

Turbo switch select high speed

JP35

Closed

 

Turbo switch select low speed

JP35

Open

»

Factory configured - do not alter

JP39

pins 1 & 2 closed

»

Factory configured - do not alter

JP40

pins 1 & 2 closed

»

Factory configured - do not alter

JP46

N/A

»

Factory configured - do not alter

JP47

N/A

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

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 1M x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

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

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M 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

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

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

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M 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

Bank 0

Bank 1

TAG

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

JP17

JP18

JP19

JP20

JP25

JP26

128KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

256KB

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

512KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

512KB

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

J2

J3

J4

J5

J6

80486SX

Closed

Open

Open

Open

Closed

CX486DX

Open

Closed

Open

Closed

Open

AM486DX

Open

Closed

Open

Open

Closed

U5S

Closed

Open

Open

Open

Closed

80486DX

Open

Closed

Open

Open

Closed

ODP486SX

Open

Closed

Open

Open

Closed

CX486DX2V

Open

Closed

Open

Closed

Open

CX486DX2

Open

Closed

Open

Closed

Open

AM486DX2

Open

Closed

Open

Open

Closed

AM486DX2-80

Open

Closed

Open

Open

Closed

80486DX2

Open

Closed

Open

Open

Closed

CX486DX4

Open

Closed

Open

Closed

Open

AM486DX4-NV8T

Open

Closed

Open

Open

Closed

AM486DX4-SV8B

Open

Open

Closed

Open

Open

80486DX4

Open

Closed

Open

Open

Closed

80486DX4 (WB)

Open

Open

Closed

Open

Open

Pentium Overdrive

Open

Open

Closed

Open

Open

SL Pentium Overdrive

Open

Open

Closed

Open

Open

CXM1SC

Open

Open

Closed

Open

Open

CPU TYPE CONFIGURATION (CON’T)

Type

J7

JP41

JP42

JP43

80486SX

Open

Open

1 & 2

1 & 2

CX486DX

Open

1 & 2

1 & 2

1 & 2

AM486DX

Open

Open

1 & 2

1 & 2

U5S

Open

Open

1 & 2

1 & 2

80486DX

Open

Open

1 & 2

1 & 2

ODP486SX

Open

Open

1 & 2

2 & 3

CX486DX2V

Open

1 &2

1 & 2

1 & 2

CX486DX2

Open

Open

1 & 2

1 & 2

AM486DX2

Open

Open

1 & 2

1 & 2

AM486DX2-80

Open

Open

2 & 3

1 & 2

80486DX2

Open

Open

1 & 2

1 & 2

CX486DX4

Open

1 & 2

1 & 2

1 & 2

AM486DX4-NV8T

Open

Open

1 & 2

1 & 2

AM486DX4-SV8B

Closed

Open

1 & 2

1 & 2

80486DX4

Open

Open

1 & 2

1 & 2

80486DX4 (WB)

Closed

Open

1 & 2

1 & 2

Pentium Overdrive

Closed

Open

1 & 2

1 & 2

SL Pentium Overdrive

Closed

Open

1 & 2

2 & 3

CXM1SC

Closed

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP22

JP23

25MHz

pins 2 & 3 closed

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

pins 2 & 3 closed

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

66iMHz

pins 1 & 2 closed

pins 1 & 2 closed

75iMHz

pins 2 & 3 closed

pins 2 & 3 closed

80iMHz

pins 1 & 2 closed

pins 2 & 3 closed

100iMHz

pins 1 & 2 closed

pins 1 & 2 closed

120iMHz

pins 1 & 2 closed

pins 2 & 3 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP32

JP38

3.3v

Open

pins 1 & 2 closed

4v

Open

pins 2 & 3 closed

5v

Closed

Open

DMA CONFIGURATION

DMA

JP1

JP2

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed