EP-5BTXA-E Motherboard Settings and Configuration

Device Type	Mainboard
Processor	CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/ AM K6/Pentium/Pentium MMX
Processor Speed	90/100/120/133/150/166/188/200/225/233/266/300/333MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB (SDRAM supported)
Maximum Video Memory	None
Cache	512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
USB connector	CN1	Chassis fan power	J3
Parallel port	CN2	Power LED & keylock	J4A
Serial port 2	CN3	Speaker	J4B
Floppy drive interface	CN4	Reset switch	J4C
Serial port 1	CN5	Green PC connector	J4D
IDE interface 2	CN6	Green PC LED	J4E
IDE interface 1	CN7	Turbo LED	J4F
PS/2 mouse interface	J1	IDE interface LED	J4G
IR connector	J2	32-bit PCI slots	PC1 – PC3
Note: The location of J3 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP1	Pins 1 & 2 closed
	CMOS memory clear	JP1	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	(1) 64K x 64

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JP6
150MHz	60MHz	2.5x	Pins 5 & 6 closed
166MHz	66MHz	2.5x	Pins 7 & 8 closed
200MHz	75MHz	3x	Pins 9 & 10 closed

CPU SPEED SELECTION (IBM 6X86L)
CPU speed	Clock speed	Multiplier	JP6
150MHz	60MHz	2.5x	Pins 5 & 6 closed
166MHz	66MHz	2.5x	Pins 7 & 8 closed
200MHz	75MHz	3x	Pins 9 & 10 closed

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP6
166MHz	66MHz	2x	Pins 7 & 8 closed
166MHz	60MHz	2.5x	Pins 11 & 12 closed
200MHz	75MHz	2x	Pins 9 & 10 closed
200MHz	66MHz	2.5x	Pins 13 & 14 closed
233MHz	75MHz	2.5x	Pins 15 & 16 closed
233MHz	66MHz	3x	Pins 17 & 18 closed
266MHz	75MHz	3x	Pins 19 & 20 closed
266MHz	66MHz	3.5x	Pins 21 & 22 closed

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed	Clock speed	Multiplier	JP6
166MHz	66MHz	2x	Pins 7 & 8 closed
166MHz	60MHz	2.5x	Pins 11 & 12 closed
200MHz	75MHz	2x	Pins 9 & 10 closed
200MHz	66MHz	2.5x	Pins 13 & 14 closed
233MHz	75MHz	2.5x	Pins 15 & 16 closed
233MHz	66MHz	3x	Pins 17 & 18 closed
266MHz	75MHz	3x	Pins 19 & 20 closed
266MHz	66MHz	3.5x	Pins 21 & 22 closed

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP6
90MHz	60MHz	1.5x	Pins 1 & 2 closed
100MHz	66MHz	1.5x	Pins 3 & 4 closed
120MHz	60MHz	2x	Pins 5 & 6 closed
133MHz	66MHz	2x	Pins 7 & 8 closed
150MHz	60MHz	2.5x	Pins 11 & 12 closed
166MHz	66MHz	2.5x	Pins 13 & 14 closed
188MHz	75MHz	2.5x	Pins 15 & 16 closed
200MHz	66MHz	3x	Pins 17 & 18 closed

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP6
166MHz	66MHz	2.5x	Pins 13 & 14 closed
200MHz	66MHz	3x	Pins 17 & 18 closed
233MHz	66MHz	3.5x	Pins 21 & 22 closed
266MHz	66MHz	4x	Pins 23 & 24 closed
300MHz	66MHz	4.5x	Pins 25 & 26 closed
333MHz	66MHz	5x	Pins 27 & 28 closed

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP6
90MHz	60MHz	1.5x	Pins 1 & 2 closed
100MHz	66MHz	1.5x	Pins 3 & 4 closed
120MHz	60MHz	2x	Pins 5 & 6 closed
133MHz	66MHz	2x	Pins 7 & 8 closed
150MHz	60MHz	2.5x	Pins 11 & 12 closed
166MHz	66MHz	2.5x	Pins 13 & 14 closed
188MHz	75MHz	2.5x	Pins 15 & 16 closed
200MHz	66MHz	3x	Pins 17 & 18 closed

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP6
166MHz	66MHz	2.5x	Pins 13 & 14 closed
200MHz	66MHz	3x	Pins 17 & 18 closed
233MHz	66MHz	3.5x	Pins 21 & 22 closed
266MHz	66MHz	4x	Pins 23 & 24 closed
300MHz	66MHz	4.5x	Pins 25 & 26 closed
333MHz	66MHz	5x	Pins 27 & 28 closed

CPU VOLTAGE SELECTION
Voltage		JP6
	2.0v	Pins 1 & 6 closed
	2.1v	Pins 5 & 10 closed
»	2.8v	Pins 2 & 7 closed
	2.9v	Pins 3 & 8 closed
	3.2v	Pins 4 & 9 closed