Processor	80486DX (on external CPU/Memory module)
Processor Speed	50MHz
Chip Set	AST
Max. Onboard DRAM	None (32MB on external CPU/Memory module)
Cache	None (256KB on external CPU/Memory module)
BIOS	AST
Dimensions	355mm x 266mm
I/O Options	32-bit external CPU/Memory module slot 32-bit external Memory module slot (2) bus mouse port, floppy drive interface IDE interface, parallel port, serial port (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Bus mouse port	CN1	External battery	P14
Speaker	J12	Serial port 1 (COM1)	P17
Parallel port	J19	Serial port 2 (COM2)	P18
Floppy drive interface (A: and B:)	J20	32-bit external CPU/Memory module	S1
Third floppy drive interface	J21	32-bit external Memory module slots	S2 & S3
IDE interface	J22	Optional ROM (even)	U7
IDE interface LED	J23	Optional ROM (odd)	U8
Front panel switches & LEDs	P11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	E1	open
»	Password check enabled	E2	pins 2 & 3 closed
	Password check disabled	E2	pins 1 & 2 closed
»	Factory configured - do not alter	E3	open
»	Factory configured - do not alter	E4	closed
»	Factory configured - do not alter	E5	closed
»	Factory configured - do not alter	E6	open

CONNECTIONS
Purpose	Location
Reserved for future use	EXP

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Parity check enabled	E1	closed
	Parity check disabled	E1	open
»	Cache enabled	E2	closed
	Cache disabled	E2	open
Note:AST CPU/Memory module part number is 202465-005.

DRAM CONFIGURATION
Size	Bank 0
16MB	(4) 4M x 9
32MB	(4) 8M x 9
Notes:256KB of SRAM Cache is included as a module on the CPU/Memory module. 384KB of DRAM is reserved for System and VGA BIOS shadowing and cannot be disabled. Up to two of the following memory boards may be installed in addition to the CPU/Memory module: AST part numbers 202275-004, 202275-006, 202387-001, 202387-004 or 202387-005.