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





CH-471B

CHICONY, INC.

CH-471B

Processor

CX486S/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

32/64/128/256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Green PC connector

J1

Reset switch

J13

Floppy drive interface

J4

Turbo switch

J14

Serial port 2

J5

Turbo LED

J15

IDE interface (VESA)

J6

Speaker

J16

Serial port 1

J7

Green PC connector

J17

Game interface

J8

Power LED & keylock

J18

Parallel port

J9

Green PC connector

J19

IDE interface (ISA)

J10

Voltage connector

P4

External battery

J11

32-bit VESA local bus slots

SL1 & SL2

IDE interface LED

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 1 & 2 closed

 

CMOS memory clear

JP1

pins 2 & 3 closed

»

Floppy drive interface enabled

JP6

pins 1 & 2 closed

 

Floppy drive interface disabled

JP6

pins 2 & 3 closed

»

IDE interface enabled (ISA)

JP7

pins 1 & 2 closed

 

IDE interface disabled (ISA)

JP7

pins 2 & 3 closed

»

Game port enabled

JP10

pins 1 & 2 closed

 

Game port disabled

JP10

pins 2 & 3 closed

»

Floppy drive address range select 3F0 to 3F7

JP11

pins 2 & 3 closed

 

Floppy drive address range select 370 to 377

JP11

pins 1 & 2 closed

»

ISA IDE address range select 170

JP12

pins 1 & 2 closed

 

ISA IDE address range select 1F0

JP12

pins 2 & 3 closed

»

ISA IDE IRQ select IRQ15

JP32

pins 1 & 2 closed

 

ISA IDE IRQ select IRQ14

JP32

pins 2 & 3 closed

»

Parallel port IRQ select IRQ7

JP30

pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

JP30

pins 1 & 2 closed

»

IDE interface enabled (VESA)

JP38

pins 1 & 2 closed

 

IDE interface disabled (VESA)

JP38

pins 2 & 3 closed

»

Factory configured - do not alter

JP44

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M 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

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

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) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

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) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 16M x 36

NONE

NONE

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) 8M x 36

(1) 8M x 36

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

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) 8M x 36

(1) 8M x 36

96MB

(1) 8M 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

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 2K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 4K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K 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

JP21

JP22

JP23

JP24

JP25

JP26

JP27

JP28

32KB

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

64KB

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

128KB

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

512KB

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP39

JP42

JP45

JP46

CX486S

7 & 8, 9 & 10, 11 & 12

Open

Open

Open

80486SX

Open

Open

2 & 3

2 & 3

SL80486SX

7 & 8, 9 & 10, 11 & 12

Open

1 & 2

2 & 3

SL80486SX2

7 & 8, 9 & 10, 11 & 12

Open

1 & 2

2 & 3

CX486DX

7 & 8, 9 & 10, 11 & 12

Open

Open

Open

AM486DX

Open

Open

2 & 3

2 & 3

SL80486DX

7 & 8, 9 & 10, 11 & 12

Open

1 & 2

2 & 3

80486DX

Open

Open

2 & 3

2 & 3

CX486DX2

7 & 8, 9 & 10, 11 & 12

Open

Open

Open

AM486DX2

Open

Open

2 & 3

2 & 3

SL80486DX2

7 & 8, 9 & 10, 11 & 12

Open

1 & 2

2 & 3

80486DX2

Open

Open

2 & 3

2 & 3

80486DX4

7 & 8, 9 & 10, 11 & 12

Open

1 & 2

2 & 3

P24D

7 & 8, 9 & 10, 11 & 12

Open

Open

Open

P24T

7 & 8, 9 & 10, 11 & 12

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP47

JP48

JP49

JP53

JP54

CX486S

Open

Open

Open

Closed

2 & 3

80486SX

2 & 3

2 & 3

2 & 3

Open

2 & 3

SL80486SX

2 & 3

2 & 3

2 & 3

Closed

2 & 3

SL80486SX2

2 & 3

2 & 3

2 & 3

Closed

2 & 3

CX486DX

Open

Open

Open

Closed

2 & 3

AM486DX

2 & 3

2 & 3

2 & 3

Open

2 & 3

CPU TYPE CONFIGURATION (CON’T)

Type

JP47

JP48

JP49

JP53

JP54

SL80486DX

2 & 3

2 & 3

2 & 3

Closed

2 & 3

80486DX

2 & 3

2 & 3

2 & 3

Open

2 & 3

CX486DX2

Open

Open

Open

Closed

2 & 3

AM486DX2

2 & 3

2 & 3

2 & 3

Open

2 & 3

SL80486DX2

2 & 3

2 & 3

2 & 3

Closed

2 & 3

80486DX2

2 & 3

2 & 3

2 & 3

Open

2 & 3

80486DX4

2 & 3

2 & 3

2 & 3

Closed

1 & 2

P24D

Open

Open

Open

Closed

2 & 3

P24T

Open

Open

Open

Closed

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP19

JP20

Intel/AMD

pins 1 & 2 closed

pins 2 & 3 closed

Cyrix

pins 2 & 3 closed

pins 1 & 2 closed

Intel P24D/P24T

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP40

JP41

JP55

80487SX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

80486SX/CX M6/UMC U5S

pins 2 & 3 closed

Open

Open

CX M7

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

Intel/AMD/Cyrix

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Open

CPU SPEED CONFIGURATION

Speed

JP36

JP37

25MHz

Open

Open

33MHz

Closed

Closed

40MHz

Open

Closed

50MHz

Closed

Open

50iMHz

Open

Open

66iMHz

Closed

Closed

75iMHz

Open

Open

100iMHz

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP50

2x

pins 2 & 3 closed

2.5x

pins 1 & 2 closed

3x

Open

CPU VOLTAGE CONFIGURATION

Voltage

P3

3.3v

pins 1 & 2, 4 & 5, 6 & 7 closed

5v

pins 2 & 3, 5 & 6, 8 & 9 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP52

0 wait states

Open

1 wait state

Closed

BUS SPEED CONFIGURATION

CPU speed

JP51

<= 33MHz

Open

> 33MHz

Closed

PARLLEL PORT CONFIGURATION

Address

JP8

JP9

378

pins 1 & 2 closed

pins 2 & 3 closed

278

pins 1 & 2 closed

pins 1 & 2 closed

3BC

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION

Address

JP2

JP3

3F8

pins 1 & 2 closed

pins 1 & 2 closed

2F8

pins 1 & 2 closed

pins 2 & 3 closed

3E8

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

Address

JP4

JP5

2F8

pins 1 & 2 closed

pins 1 & 2 closed

3F8

pins 1 & 2 closed

pins 2 & 3 closed

3E8

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT IRQ CONFIGURATION

COM1

COM2

JP29

IRQ3

IRQ4

pins 1 & 2, 3 & 4 closed

IRQ4

IRQ3

pins 1 & 3, 2 & 4 closed

FLOPPY DRIVE MEDIA CONFIGURATION

Setting

JP17

JP18

All floppy types

pins 1 & 2 closed

pins 1 & 2 closed

2.88MB only

pins 2 & 3 closed

pins 2 & 3 closed