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5BTXB-E

EPOX COMPUTER CO., LTD.

5BTXB-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 (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

512KB

BIOS

Award

Dimensions

220mm x 220mm

I/O Options (backplane)

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IR connector

J2

USB connector

CN1

CPU fan power

J3

Serial port 1

CN2

Power LED & keylock

J4A

Serial port 2

CN3

Speaker

J4B

Parallel port

CN4

Reset switch

J4C

Floppy drive interface

CN5

Turbo LED

J4D

IDE interface 2

CN6

IDE interface LED

J4E

IDE interface 1

CN7

Soft off power supply

J5

PS/2 mouse interface

J1

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP1

Pins 1 & 2 closed

 

CMOS memory clear

JP1

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 2

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

Note: Board accepts EDO memory.

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

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

JP3

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

JP3

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

JP3

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

JP3

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

JP3

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

JP3

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

JP3

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

JP3

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

JP2

 

2.1v

Pins 1 & 6 closed

 

2.2v

Pins 2 & 7 closed

»

2.8v

Pins 3 & 8 closed

 

2.9v

Pins 4 & 9 closed

 

3.2v

Pins 5 & 10 closed