S1846S (LA) Motherboard Settings and Configuration

Device Type	Mainboard, Single board computer
Processor	Pentium II/Celeron
Processor Speed	233/266/300/333/350/400MHz
Chip Set	Intel 440BX
Maximum Onboard Memory	768MB (SDRAM supported)
Audio Chip Set	Ensoniq ES1371
Cache	0/128/256/512KB (located on the CPU)
BIOS	AMI
Dimensions	305mm x 244mm
I/O Options	32-bit PCI slots (5), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROM

CONNECTIONS
Purpose	Location	Purpose	Location
AGP slot	AGP	Floppy drive interface	CN13
ATX power connector	ATX	Wake on LAN connector	CON3
Chassis fan power	C1	Chassis intrusion connector	J7
Chassis fan power	C2	Soft off power supply	J8/pins 1 & 2
Chassis fan power	C3	Green PC connector	J8/pins 3 & 4
Game/MIDI port	CN1	IR connector	J8/pins 6 - 10
Microphone in	CN2	IDE interface LED	J8/pins 13 - 16
Line in	CN3	Power LED	J8/pins 18 & 20
Line out	CN4	Reset switch	J8/pins 22 & 23
Serial port 2	CN5	Speaker	J8/pins 24 - 27
Serial port 1	CN6	MPEG connector	J9
Parallel port	CN7	TDA connector	J10
USB connector 1	CN8	Audio in - CD-ROM	J11
USB connector 2	CN9	Video connector	J13
PS/2 mouse port	CN10	Green PC connector	JP16
IDE interface 2	CN11	32-bit PCI slots	PC1 - PC5
IDE interface 1	CN12

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	CON2	Unidentified
»	CMOS memory normal operation	JP2	Pins 1 & 2 closed
	CMOS memory clear	JP2	Pins 2 & 3 closed
	On board sound enabled	JP17	Open
	On board sound disabled	JP17	Closed

DIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(1) 1M x 64	None	None
16MB	(1) 1M x 64	(1) 1M x 64	None
16MB	(1) 2M x 64	None	None
24MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64
32MB	(1) 2M x 64	(1) 2M x 64	None
32MB	(1) 4M x 64	None	None
48MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
64MB	(1) 4M x 64	(1) 4M x 64	None
64MB	(1) 8M x 64	None	None
96MB	(1) 4M x 64	(1) 4M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64	None
128MB	(1) 16M x 64	None	None

DIMM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1	Bank 2
164MB	(1) 16M x 64	(1) 1M x 64	None
144MB	(1) 16M x 64	(1) 1M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64	None
160MB	(1) 16M x 64	(1) 2M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64	None
192MB	(1) 16M x 64	(1) 4M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64	None
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 8M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64	None
256MB	(1) 32M x 64	None	None
264MB	(1) 32M x 64	(1) 1M x 64	None
272MB	(1) 32M x 64	(1) 1M x 64	(1) 1M x 64
272MB	(1) 32M x 64	(1) 2M x 64	None
288MB	(1) 32M x 64	(1) 2M x 64	(1) 2M x 64
288MB	(1) 32M x 64	(1) 4M x 64	None
320MB	(1) 32M x 64	(1) 4M x 64	(1) 4M x 64
320MB	(1) 32M x 64	(1) 8M x 64	None
384MB	(1) 32M x 64	(1) 8M x 64	(1) 8M x 64
384MB	(1) 32M x 64	(1) 16M x 64	None
384MB	(1) 16M x 64	(1) 16M x 64	(1) 16M x 64
512MB	(1) 32M x 64	(1) 16M x 64	(1) 16M x 64
512MB	(1) 32M x 64	(1) 32M x 64	None
768MB	(1) 32M x 64	(1) 32M x 64	(1) 32M x 64
Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP10	JP11	JP12	JP13
233MHz	66MHz	3.5x	Closed	Open	Open	Closed
266MHz	66MHz	4x	Open	Closed	Closed	Closed
300MHz	66MHz	4.5x	Open	Closed	Open	Closed
300MHz	100MHz	3x	Closed	Open	Closed	Closed
333MHz	66MHz	5x	Open	Open	Closed	Closed
350MHz	100MHz	3.5x	Closed	Open	Open	Closed
400MHz	100MHz	4x	Open	Closed	Closed	Closed

FLOPPY DRIVE/IR SELECTION
Setting	JP4	JP7	JP8
2 floppy drives	Closed	Pins 2 & 3 closed	Pins 1 & 2 closed
1 floppy, 1 IR	Open	Pins 1 & 2 closed	Pins 2 & 3 closed