C386SX Motherboard Settings and Configuration

Device Type	Mainboard
Processor	80386SX
Processor Speed	16/20MHz
Chip Set	C & T
Maximum Onboard Memory	8MB
Cache	None
BIOS	Phoenix
Dimensions	330mm x 216mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	P2	Turbo LED	P5
Power LED & keylock	P3	External battery	P6
Speaker	P4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	BIOS type select 27256	JP1	Pins 1 & 2 closed
	BIOS type select 27512	JP1	Pins 2 & 3 closed
»	CMOS memory normal operation	JP2	Pins 1 & 2 closed
	CMOS memory clear	JP2	Pins 2 & 3 closed
»	Monitor type select color	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	Power good signal detect from board	JP4	Pins 2 & 3 closed
	Power good signal detect from power supply	JP4	Pins 1 & 2 closed
»	Parity check enabled	JP5	Closed
	Parity check disabled	JP5	Open
»	Battery type select 6v	JP6	Open
	Battery type select 3.6v/4.5v	JP6	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	None	None	None
1MB	(2) 256K x 9	(2) 256K x 9	None	None
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	None
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	None	None	None
3MB	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9	None
3.5MB	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
4MB	(2) 1M x 9	(2) 1M x 9	None	None
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	None
5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	None
6.5MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
Note: The location of banks 0, 1, 2 & 3 are unidentified.