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CH-386S-16/20/25G

CHICONY, INC.

CH-386S-16/20/25G

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J4

Speaker

J2

Turbo LED

J5

Reset switch

J3

External battery

J15

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU mode select asynchronous with CPU

J6

Closed

 

NPU mode select synchronous with CPU

J6

Open

Monitor type select monochrome

J13

Open

 

Monitor type select color

J13

Closed

CMOS memory normal operation

J14

pins 2 & 3 closed

 

CMOS memory clear

J14

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

512KB 1

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB 2

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

1MB 1

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB 2

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

1.5MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 256K x 9

NONE

2MB 1

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 256K x 9

(2) 256K x 9

2MB 2

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

2.5MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 1M x 9

3MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

(2) 1M x 9

9MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 4M x 9

NONE

10MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 4M x 9

16MB

NONE

NONE

NONE

NONE

(2) 4M x 9

(2) 4M x 9

Note:DIP locations and socket sizes are unverified.

Note 1 :See the next table for the corresponding setting for this configuration.

Note 2 :See the next table for the corresponding setting for this configuration.

DRAM JUMPER CONFIGURATION

Size

J7

512KB 1

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

512KB 2

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

1MB 1

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

1MB 2

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

1.5MB

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

2MB 1

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

2MB 2

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

2.5MB

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

3MB

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

4MB

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

5MB

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

9MB

pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed

10MB

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

16MB

pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed

Note 1 :See the previous table for the corresponding setting for this configuration.

Note 2 :See the previous table for the corresponding setting for this configuration.