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.

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.