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C747 (Ver. 002)

CAF TECHNOLOGY, INC.

C747 (Ver. 002)

Processor

80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

EFAR

Max. Onboard DRAM

32MB

SRAM Cache

64/256KB

BIOS

AMI

Dimensions

331mm x 219mm

I/O Options

Floppy drive interface, game port, IDE interface, parallel port, serial port (2)

NPU Options

80387/CX83D87/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J3

Floppy drive interface

CN1

IDE interface LED

J5

Serial port 1

CN2

Reset switch

J6

Serial port 2

CN3

Speaker

J7

IDE interface

CN4

Turbo switch

J8

Parallel port

CN5

Turbo LED

J9

Game port

CN6

Power LED & keylock

J10

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

closed

 

Monitor type select monochrome

JP1

open

CMOS memory normal operation (internal battery)

JP6

pins 2 & 3 closed

 

CMOS memory normal operation (external battery)

JP6

open

 

CMOS memory clear

JP6

pins 1 & 2 closed

SRAM JUMPER CONFIGURATION

Size

JP2

JP7

JP8

JP9

64KB

open

open

open

open

256KB

closed

closed

closed

open

SRAM CONFIGURATION

Size

Bank 0

TAG

64KB

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

(1) 32K x 8

CPU TYPE CONFIGURATION

CPU

JP3

JP4

JP5

80486DX2 1

pins 1 & 2 closed

closed

pins 2 & 3 closed

80486DX 1

pins 1 & 2 closed

closed

pins 2 & 3 closed

80487SX 1

pins 1 & 2 closed

closed

pins 1 & 2 closed

CX486DLC 2

N/A

N/A

N/A

80486SX 1

pins 2 & 3 closed

open

open

80368DX 2

N/A

N/A

N/A

Note 1 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, pins 2 & 3 closed.

Note 2 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, pins 1 & 2 closed.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU CLOCK CONFIGURATION

CPU

JP21

JP22

JP23

JP30

80486-50

open

open

open

pins 2 & 3 closed

80486-40

open

open

closed

pins 2 & 3 closed

80486-33

80486DX2-66

closed

open

open

pins 2 & 3 closed

80486-25

80486DX2-50

closed

open

closed

pins 2 & 3 closed

80386-40

CX486DLC-40

open

open

closed

pins 1 & 2 closed

80386-33

CX486DLC-33

closed

open

open

pins 1 & 2 closed

80386-25

closed

open

closed

pins 1 & 2 closed

80386-20

80486-20

open

closed

open

pins 1 & 2 closed

I/O CONTROLLER CONFIGURATION

Device

Jumper

Enabled

Disabled

Game port (CN6)

JP24

open

closed

IDE interface (CN4)

JP25

open

closed

Parallel port (CN5)

JP26

open

closed

Floppy drive interface (CN1)

JP27

open

closed

COM1 (CN2)

JP28

open

closed

COM2 (CN3)

JP29

open

closed