Processor	80486DX
Processor Speed	25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	None
BIOS	Quadtel
Dimensions	330.2mm x 221mm
I/O Options	32-bit external memory card slot
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo LED	J10
Drive active LED	J3	CPU ready LED	J11
Front panel ribbon cable	J6	Speaker	J19
Reset switch	J7	Power LED & keylock	J40
Auxiliary keyboard	J8	32-bit external memory card	S1
Note:If the front panel Drive LED is to be used, the drive active signal from the drive or drive controller must be connected to J3/pins 1 & 2 or J3/pins 2 & 3.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J2	Open
	CMOS memory clear	J2	Closed
»	DMA active signal select high	J12	Closed
	DMA active signal select low	J12	Open
»	NPU parity check enabled	J13	Closed
	NPU parity check disabled	J13	Open
»	Internal CPU cache enabled	J16	Closed
	Internal CPU cache disabled	J16	Open
»	NPU zero wait state enabled	J17	Closed
	NPU zero wait state disabled	J17	Open
»	Internal CPU caching of BIOS disabled	J18	pins 1 & 2 open
	Internal CPU caching of BIOS enabled	J18	pins 1 & 2 closed
	Í Factory test jumper- do not alter	J24	Closed
»	POST enabled	J25	Closed
	POST disabled	J25	Open
»	Factory test jumper - do not alter	J26	Closed
»	NPU disabled	J33	Open
	NPU enabled	J33	Closed
»	Factory test jumper - do not alter	J34	Closed
»	Factory test jumper - do not alter	J35	Closed
»	Factory test jumper - do not alter	J36	Closed
»	Monitor type select color	J39	pins 2 & 3 closed
	Monitor type select monochrome	J39	pins 1 & 2 closed
Note:Locations of J18, J34, J35, & J36 are unknown.

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9

J6 - RIBBON CABLE CONNECTOR PIN ASSIGNMENTS