Processor	80486DX
Processor Speed	50MHz
Chip Set	Intel
Max. Onboard DRAM	16MB
SRAM Cache	128KB (on CPU module)
BIOS	NEC (Flash EEPROM)
Dimensions	330.2mm x 218.4mm
I/O Options	Proprietary CPU module slot, keyboard/bus mouse interface, serial ports (2), parallel port, video port, proprietary video card sockets, 32-bit external memory card slot, IDE interface, floppy drive interface
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Proprietary CPU module	J6	Video port	P6
32-bit external memory card	J7	Keyboard/Bus mouse interface	P7
Proprietary video card	J8, J9, & J10	Fan power	P8
IDE interface	P1	IDE interface LED	P9
Floppy drive interface	P2	External battery	P10
Parallel port	P3	Power supply	P11 & P12
Serial port (COM1)	P4	Drive power	P13
Serial port (COM2)	P5	Drive power	P14

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Password enabled	3F1	Pins 2 & 3 closed
	Password disabled	3F1	Pins 1 & 2 closed
»	Test mode disabled	10A1	Open
	Test mode enabled	10A1	Closed
»	I/O recovery disabled	11B5	Open
	I/O recovery enabled	11B5	Closed
»	NEC VGA adapter disabled (U.S. setting)	15A1	Open
	NEC VGA adapter enabled	15A1	Closed
»	Parallel port (P3) configuration LPT1/IRQ7, LPT2/IRQ5	15C3	Pins 1 & 2 closed Pins 5 & 6 closed
	Parallel port (P3) configuration LPT1/IRQ5, LPT2/IRQ7	15C3	Pins 2 & 3 closed Pins 4 & 5 closed
»	Manufacturing test loop disabled	15K1	Closed
	Manufacturing test loop enabled	15K1	Open
»	BIOS flash reprogramming disabled	17H1	Pins 2 & 3 closed
	BIOS flash reprogramming enabled	17H1	Pins 1 & 2 closed
»	ROM type select 27C256 (28F256)	18F1	Pins 1 & 2 closed
	ROM type select 27C512 (28F512)	18F1	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(2) 256K x 36	(2) 256K x 36
8MB	(2) 1M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36

SRAM CONFIGURATION

Notes:The CPU card comes standard with 128KB of cache and is not alterable. The locations of the cache chips are unknown.