XI-386/486/386SX Motherboard Settings and Configuration

XINETRON, INC.

XI-386/486/386SX

Processor	80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50(Internal)/50/66(Internal)MHz
Chip Set	Xinetron
Max. onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	Ethernet (2), Floppy drive interface, IDE interface, parallel port, serial port (2)
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Ethernet BNC	BN1	Hercules graphic signal output	JP7
Power LED & keylock	J3	LAN board connector	JP10
Turbo LED	J5	LAN board connector	JP11
Turbo switch	J6	Parallel port	P1
Reset switch	J7	Serial port 1	P2
External battery	J8	Serial port 1	P3
Speaker	J9	IDE interface	P9
Serial port 1	JP2	Floppy drive interface	P10
Serial port 1	JP3	Ethernet twisted pair	PH1
Parallel port	JP4

. USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	J11	Closed
»	Monitor type select color	J12	pins 1 & 2 open
	Monitor type select monochrome	J12	pins 1 & 2 closed
»	AT BUS clock select synchronous	JP1	pins 5 & 6 closed
	AT BUS clock select asynchronous	JP1	pins 4 & 5 closed
»	Hercules Graphic display enabled	JP5 & JP6	pins 1 & 2 closed
	Hercules Graphic display disabled	JP5 & JP6	pins 2 & 3 closed
»	Hercules Graphic display select character generator enable	JP8	pins 1 & 2 closed
	Hercules Graphic display select character generator disabled	JP8	pins 2 & 3 closed
»	NPU select 3167 or 387DX enabled	JP12	pins 4 & 5 closed
	NPU select 3167 or 387DX disabled	JP12	pins 5 & 6 closed
»	I/O ports enabled addresses set to primary	JP25	pins 1 & 2 closed
»	Factory configured - do not alter	SW1/switch 1	Off
»	Ethernet type select 10BaseT	SW1/switch 2	On
	Ethernet type select 10Base2	SW1/switch 2	Off
»	Serial port COM1 I/O address select 3e8h	SW2A	pins 2 & 3 closed
	Serial port COM1 I/O address select 3f8h	SW2B	pins 1 & 2 closed
»	Serial port COM2 I/O address select 2e8h	SW2C	pins 2 & 3 closed
	Serial port COM2 I/O address select 2f8h	SW2D	pins 1 & 2 closed
»	Parallel port I/O address select 278h	SW2E	pins 2 & 3 closed
	Parallel port I/O address select 378h	SW2F	pins 1 & 2 closed
»	Floppy drive controller select primary	SW2G	pins 2 & 3 closed
	Floppy drive controller select secondary	SW2H	pins 1 & 2 closed
»	IDE interface select primary	SW2I	pins 2 & 3 closed
	IDE interface select secondary	SW2J	pins 1 & 2 closed

CPU TYPE CONFIGURATION
CPU	Type	JP1	JP20 - JP22	JP13 - JP17	U49
80386DX	PGA	N/A	pins 2 & 3	pins 2 & 3	386 BIOS
80486SX	PQFP	pins 1 & 2	pins 1 & 2	pins 2 & 3	486 BIOS
80486DX	PQFP	pins 2 & 3	pins 1 & 2	pins 2 & 3	486 BIOS
ODP486SX	P23T (U5)	pins 2 & 3	pins 1 & 2	pins 1 & 2	486 BIOS
80486DX2	P23T (U5)	pins 2 & 3	pins 1 & 2	pins 1 & 2	486 BIOS
Note:Pins designated should be in the closed position.