MODEL 3278-XXXX PC710/3392 Motherboard Settings and Configuration

Processor	80286 (exact location unidentified)
Processor Speed	6/10MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	640KB (on mainboard), (16MB on external memory card)
Maximum Video Memory	None
Cache	None
BIOS	Unidentified
Dimensions	Unidentified
I/O Options	Expansion slot
NPU Options	80287 (exact location unidentified)

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J2	Auxiliary keyboard connector	J5
Keylock	J3	Expansion slot	JM1
Volume control	J4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	BIOS type select 32KB	J1	Pins 3 & 6, 4 & 5 closed
	BIOS type select 16KB	J1	Pins 1 & 8, 2 & 7 closed
»	Wait state select 1 wait state	JP1	Pins 1 & 2 closed
	Wait state select 0 wait states	JP1	Pins 2 & 3 closed
»	10MHz CPU speed enabled	JP2	Pins 1 & 2 closed
	10MHz CPU speed disabled	JP2	Pins 2 & 3 closed
»	Memory expansion card installed	JP5	Pins 1 & 2 closed
	Memory expansion card not installed	JP5	Pins 2 & 3 closed
	Monitor type select graphics display	S1	Left
	Monitor type select alphanumeric display	S1	Right
»	Power on speed select 10MHz	S2	Pins 1 & 2 closed
	Power on speed select 6MHz	S2	Pins 2 & 3 closed

DRAM CONFIGURATION

Note: The location of the memory is unidentified. Board accepts 256KB or 512KB memory.

DRAM JUMPER CONFIGURATION
Size	JP3
256KB	Pins 2 & 3 closed
512KB	Pins 1 & 2 closed

DRAM JUMPER CONFIGURATION
Setting	JP4
All onboard memory enabled	Pins 1 & 2 closed
All onboard memory disabled	Pins 2 & 3 closed