WYSE TECHNOLOGY, INC.

WYSE DECISION 386SX/20

Processor	80386SX
Processor Speed	16/20MHz
Chip Set	WYSE
Max. Onboard DRAM	8MB
Cache	None
BIOS	WYSE
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	Turbo switch	J4
Power LED & keylock	J2	Turbo LED	J5
Speaker	J3	External battery	J6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CPU speed select 20MHz	JP1	pins 1 & 2 closed
	CPU speed select 16MHz	JP1	pins 2 & 3 closed
»	Monitor type select color	JP5	pins 1 & 2 closed
	Monitor type select monochrome	JP5	pins 2 & 3 closed
»	Battery select internal	JP6	pins 1 & 2 closed
	Battery select external	JP6	pins 2 & 3 closed
»	Power good signal detect from power supply	JP7	pins 2 & 3 closed
	Power good signal detect from board	JP7	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3	Bank 4	Bank 5
1MB 1	(8) 44256	(4) 41256	NONE	NONE	NONE	NONE
2MB 1	(8) 44256	(4) 41256	NONE	NONE	(2) 256K x 9	(2) 256K x 9
3MB 1	(8) 44256	(4) 41256	NONE	NONE	(2) 1M x 9	NONE
4MB	NONE	NONE	(2) 1M x 9	(2) 1M x 9	NONE	NONE
5MB 1	(8) 44256	(4) 41256	NONE	NONE	(2) 1M x 9	(2) 1M x 9
5MB	NONE	NONE	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	(2) 1M x 9
6MB	NONE	NONE	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	NONE
8MB	NONE	NONE	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
Note 1 :Banks 0 and 1 are filled at the factory with DIP chips.

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