APTIVA 2156 SL-A Motherboard Settings and Configuration

Device Type	Mainboard
Processor	Pentium MMX
Processor Speed	300MHz
Chip Set	Unidentified
Video Chip Set	SIS
Maximum Onboard Memory	256MB (SDRAM supported)
Maximum Video Memory	Unidentified
Cache	512KB
BIOS	Unidentified
Dimensions	355mm x 304mm
I/O Options	Floppy drive interface, game interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, USB connector, ATX power connector, line in, line out, microphone in, audio in – CD-ROM

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Audio in – CD-ROM	J18
USB connector	J1	Line out	J19
VGA port	J4	Line in	J20
Buzzer	J5	Microphone in	J21
IDE interface 1	J6	Game interface	J22
IDE interface 2	J7	Speaker	J23
Parallel port	J9	Speaker	J25
PS/2 mouse port	J11	Soft off power supply	JP7/pins 1 & 3
Serial port 1	J12	ACP LED	JP7/pins 2/4/6
Floppy drive interface	J14	IDE interface LED	JP7/pins 5 & 7
Chassis fan power	J17	Riser slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP3	Pins 1 & 2 closed
	CMOS memory clear	JP3	Pins 2 & 3 closed

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 16M x 64	None
128MB	(1) 8M x 64	(1) 8M x 64
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64
Note: Board accepts SDRAM memory.

CACHE CONFIGURATION
Size	Bank 0
512KB	(2) 64K x 32

VIDEO MEMORY CONFIGURATION

Note: The location of the video memory is unidentified.

CPU BUS SPEED SELECTION
Speed	JP6
60MHz	Pins 1 & 3, 4 & 6 closed
66MHz	Pins 1 & 3, 2 & 4 closed
75MHz	Pins 2 & 4, 3 & 5 closed

CPU MULTIPLIER SELECTION
Multiplier	JP1	JP2
2x	Pins 1 & 2 closed	Pins 1 & 3, 4 & 6 closed
2.5x	Pins 1 & 2 closed	Pins 1 & 3, 2 & 4 closed
3x	Pins 1 & 2 closed	Pins 2 & 4, 3 & 5 closed
3.5x	Pins 1 & 2 closed	Pins 3 & 5, 4 & 6 closed
4x	Pins 2 & 3 closed	Pins 1 & 3, 2 & 4 closed
4.5x	Pins 2 & 3 closed	Pins 1 & 3, 2 & 4 closed
5x	Pins 2 & 3 closed	Pins 2 & 4, 3 & 5 closed
5.5x	Pins 2 & 3 closed	Pins 3 & 5, 4 & 6 closed

CPU VOLTAGE SELECTION
Voltage	JP4	JP5
1.94	Pins 3 & 5, 4 & 6 closed	Pins 2 & 4, 3 & 5 closed
2.24	Pins 2 & 4, 3 & 5 closed	Pins 1 & 3, 2 & 4 closed
2.84	Pins 1 & 3, 2 & 4 closed	Pins 1 & 3, 2 & 4 closed
2.94	Pins 1 & 3, 2 & 4 closed	Pins 1 & 3, 4 & 6 closed
3.24	Pins 1 & 3, 2 & 4 closed	Pins 2 & 4, 3 & 5 closed