CHICONY, INC.

CH-386-33F/40F

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Reset switch

J18

Power LED & keylock

J16

Turbo switch

J19

Speaker

J17

Turbo LED

J20

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J2

Closed

 

CMOS memory clear

J2

Open

»

Monitor type select monochrome

J4

Open

 

Monitor type select color

J4

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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U19)

TAG (U20

32KB

(4) 8K x 8

NONE

(1) 16K x 4

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 16K x 4

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 16K x 4

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 4

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J6

J7

J8

J9

J11

J12

J13

J15

32KB

Open

1 & 2

1 & 2

1 & 2

Open

Open

Open

4 & 5

64KB

Open

1 & 2

1 & 2

2 & 3

Closed

Open

Open

1 & 2

128KB

Closed

1 & 2

2 & 3

2 & 3

Closed

Open

Closed

4 & 5

256KB

Closed

2 & 3

2 & 3

2 & 3

Closed

Closed

Closed

5 & 6

Note: Pins designated should be in the closed position.

CACHE TAG BIT CONFIGURATION

Size

Bit size

J10

32KB

7

Open

32KB

8

pins 1 & 2 closed

64KB

7

Open

64KB

8

pins 5 & 6 closed

128KB

7

Open

128KB

8

pins 4 & 5 closed

256KB

7

Open

256KB

8

pins 2 & 3 closed

CACHE TAG BIT CONFIGURATION

Size

J3

J14

7 bit

Open

pins 1 & 2 closed

8 bit

Closed

pins 2 & 3 closed