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C386MX

CACHING TECH CORPORATION

C386MX

Processor

80386DX/CX486DLC

Processor Speed

33/40MHz

Chip Set

MXIC

Max. onboard DRAM

32MB

Cache

None

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

80387DX/CX487DLC/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BATT2

Turbo switch

CN4

Power LED & keylock

CN1

Turbo LED

CN5

Speaker

CN2

External Keyboard

KB2

Reset switch

CN3

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CMOS memory normal operation (Internal Battery)

BATT2

pins 2 & 3 closed

 

CMOS memory normal operation (External Battery)

BATT2

Connect to 1 & 4

 

CMOS memory clear

BATT2

pins 1 & 2 closed

Monitor type select color

C/M

Open

 

Monitor type select monochrome

C/M

Closed

CPU SPEED CONFIGURATION

Speed

JF0

JF1

33MHz

Closed

Open

40MHz

Open

Closed

Note:The locations of JFO and JF1 are unknown.

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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

Note:The locations of bank 0 and bank 1 may be different on the system board.

CPU TYPE CONFIGURATION

Type

J2

80386DX

pins 1 & 2 closed

CX486DLC

pins 2 & 3 closed