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EP-5BTXA-E

EPOX COMPUTER CO., LTD.

EP-5BTXA-E

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