TEMPO 386/33, 25C Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	25/33MHz
Chip Set	Unidentified
Max. Onboard DRAM	32MB
Cache	128KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA feature connector, VGA port, riser slot
NPU Options	80387SX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Floppy drive interface	CN7
Serial port 1	CN2	VGA feature connector	CN8
Serial port 2	CN3	LED display panel	J1
Parallel port	CN4	Reset/speaker	J2
External battery	CN5	Riser slot	SL1
IDE interface	CN6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP1	N/A
»	IRQ2 disabled	JP2 pins 1 & 2	Open
	IRQ2 enabled	JP2 pins 1 & 2	Closed
	On board video enabled	JP2 pins 5 & 6	Closed
	On board video disabled	JP2 pins 5 & 6	Open

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
5MB	(4) 256K x 9	(4) 1M x 9
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	None
17MB	(4) 256K x 9	(4) 4M x 9
20MB	(4) 1M x 9	(4) 4M x 9
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9
Note: The orientation of Banks 0 & 1 are unidentified.

CACHE CONFIGURATION

Note: 128KB is factory installed and is not configurable.

VIDEO MEMORY CONFIGURATION
Size	Bank 0	Bank 1
512KB	(4) 256K x 4	None
1MB	(4) 256K x 4	(4) 256K x 4
Note: The orientation of Banks 0 & 1 are unidentified.

MONITOR CONFIGURATION
Type	SW1/1	SW1/2
Super Multifrequency	On	On
Multifrequency	Off	On
SVGA	On	Off
VGA/IBM PS/2/8514	Off	Off