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C727 Motherboard Settings and Configuration






CAF TECHNOLOGY, INC.

C727

Processor

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

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

32MB

SRAM Cache

64/256KB

BIOS

AMI

Dimensions

331mm x 219mm

I/O Options

None

NPU Options

80387/CX387DLC/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Turbo LED

JP1

Keylock

J2

Reset switch

SW1

External battery

J19

Turbo switch

SW2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP19

closed

 

Monitor type select monochrome

JP19

open

»

CMOS memory normal operation (internal battery)

JP18

pins 2 & 3 closed

 

CMOS memory clear

JP18

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 TYPE JUMPER CONFIGURATION

CPU

JP2

JP3

JP4

JP11

80486DX2 1

pins 1 & 2 closed

pins 2 & 3 closed

closed

pins 1 & 2 closed

80486DX (50MHz) 1

pins 1 & 2 closed

pins 2 & 3 closed

closed

pins 2 & 3 closed

80486DX 1

pins 1 & 2 closed

pins 2 & 3 closed

closed

pins 1 & 2 closed

80487SX 1

pins 1 & 2 closed

pins 1 & 2 closed

closed

pins 1 & 2 closed

CX486DLC 1

pins 2 & 3 closed

open

open

pins 1 & 2 closed

80486SX 1

pins 2 & 3 closed

open

open

pins 1 & 2 closed

80368DX 2

N/A

N/A

N/A

pins 1 & 2 closed

Note 1 :Jumpers JP6, JP7, JP12, JP13, JP14, JP15, JP16, JP17, JP20, JP21 pins 2 & 3 closed.

Note 2 :Jumpers JP6, JP7, JP12, JP13, JP14, JP15, JP16, JP17, JP20, JP21 pins 1 & 2 closed.

SRAM JUMPER CONFIGURATION

Size

JP5

JP8

JP9

JP10

64KB

open

open

open

open

256KB

closed

closed

closed

open

SRAM CONFIGURATION

Size

Cache SRAM

TAG

64KB

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

(1) 32K x 8








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