PBVX88 Motherboard Settings and Configuration

Processor	NEC V40 (Intregrated 8088-compatible CPU and system controller)
Processor Speed	8MHz
Chip Set	NEC
Max. onboard DRAM	640KB
Cache	None
BIOS	Phoenix
Dimensions	330mm x 330mm
I/O Options	Floppy drive interface, parallel port, serial port, video port
NPU Options	8087

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	J7	Speaker	J12
Serial port	J8	Floppy drive interface	J13
Video port	J9

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Factory test mode disabled	SW1/1	Off
	Factory test mode enabled	SW1/1	On
»	NPU disabled	SW1/2	On
	NPU enabled	SW1/2	Off
»	CPU speed select fast	SW1/8	On
	CPU speed select slow	SW1/8	Off
»	Serial port enabled	SW1/10	On
	Serial port disabled	SW1/10	Off
»	Parallel port enabled	SW1/11	On
	Parallel port disabled	SW1/11	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	SW1/3	SW1/4
256KB	(9) 256K x 9	NONE	NONE	On	On
512KB	(9) 256K x 9	(9) 256K x 9	NONE	Off	On
640KB	(9) 256K x 9	(9) 256K x 9	(9) 256K x 9	Off	Off

ONBOARD VIDEO CONFIGURATION
Mode	Resolution	SW1/5	SW1/6	SW1/9
Enabled	Monochrome	Off	Off	On
Enabled	40 x 25 CGA	Off	On	On
Enabled	80 x 25 CGA	On	Off	On
Disabled	N/A	N/A	N/A	Off

ONBOARD FLOPPY DRIVE CONTROLLER CONFIGURATION
Mode	Drives Installed	SW1/7	SW1/12
Enabled	A:	On	On
Enabled	A: & B:	Off	On
Disabled	N/A	N/A	Off