MBC-18PLUS Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	16MHz
Chip Set	Zymos
Max. Onboard DRAM	1MB
Cache	None
BIOS	Sanyo
Dimensions	332mm x 136mm
I/O Options	32-bit external memory card slot (2), serial port, parallel port, floppy drive interface
NPU Options	80387

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker & I/O LED	CN1	Parallel port	CN7
Keylock	CN2	32-bit external memory card	CN8 & CN9
External batteries	CN3 & CN5	Floppy drive interface	CN10
Keyboard plug	CN4	Reset	SW1
Serial port	CN6

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Parallel port IRQ select primary	J7	pins 2 & 3 closed
	Parallel port IRQ select secondary	J7	pins 1 & 2 closed
»	Serial port IRQ select primary	J8	pins 2 & 3 closed
	Serial port IRQ select secondary	J8	pins 1 & 2 closed
	BIOS type select 27512	J9	pins 1 & 2 closed
	BIOS type select 27512 or 27128	J9	pins 2 & 3 closed
»	0WS signal select fixed	J11	Closed
	0WS signal select variable	J11	Open
»	Monitor type select color	SW2/5	On
	Monitor type select monochrome	SW2/5	Off
»	CPU speed select fast	SW2/6	On
	CPU speed select slow	SW2/6	Off
»	DRAM speed select 2 wait states	SW3/1	On
	DRAM speed select 3 wait states	SW3/1	Off
»	Floppy drive interface address select primary	SW3/2	On
	Floppy drive interface address select secondary	SW3/2	Off
»	Serial port address select primary	SW3/3	On
	Serial port address select secondary	SW3/3	Off
Note:OWS signal select jumper J11 must be set to open when using any Novell product. Settings for SW3/switch 6 and SW3/switch 7 must correspond with Jumper J9.

DRAM CONFIGURATION
Size	Bank 0	P-0
1MB	(8) 44256	(4) 41256

DRAM SWITCH CONFIGURATION
Size	SW2/1	SW2/2	SW2/3	SW2/4
1MB	Off	Off	Off	Off

PARALLEL PORT CONFIGURATION
Address	SW3/4	SW3/5
Primary	Off	On
Secondary	Off	Off

BIOS CONFIGURATION
Size	SW3/6	SW3/7
27128	Off	On
27256	Off	Off
27512	On	Off