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J-656VXDP

J-MARK COMPUTER CORPORATION

J-656VXDP

Processor

CX 6X86/AM K5/AM K6/Pentium

Processor Speed

75/90/100/120/133/150/166/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

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 connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IR connector

C1

Serial port 2

J2

IDE interface LED

C2

Serial port 1

J3

Reset switch

C3

IDE interface 2

J4

Speaker

C4

IDE interface 1

J5

Power LED & keylock

C5

Floppy drive interface

J6

Green PC connector

C6

Parallel port

J7

Turbo LED

C7

USB connector

JP1

Turbo switch

C8

USB connector

JP2

PS/2 mouse interface

J1

32-bit PCI slots

PC1 PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP4

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP4

Pins 1 & 2 closed

CMOS memory normal operation

JP5

Open

 

CMOS memory clear

JP5

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 0

Bank 1

32MB

(1) 2M x 64

(1) 2M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

(1) 32K x 8

512KB

(2) 64K x 32

(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

BF0

BF1

FS0

FS1

FS2

120MHz

50MHz

2x

2 & 3

1 & 2

Closed

Closed

Closed

133MHz

55MHz

2x

2 & 3

1 & 2

Closed

Closed

Open

150MHz

60MHz

2x

2 & 3

1 & 2

Open

Closed

Closed

166MHz

66MHz

2x

2 & 3

1 & 2

Closed

Open

Closed

200MHz

75MHz

3x

2 & 3

1 & 2

Open

Closed

Open

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

BF0

BF1

FS0

FS1

FS2

90MHz

60MHz

1.5x

1 & 2

1 & 2

Open

Closed

Closed

100MHz

66MHz

1.5x

1 & 2

1 & 2

Closed

Open

Closed

133MHz

66MHz

1.5x

1 & 2

1 & 2

Closed

Open

Closed

166MHz

66MHz

2.5x

2 & 3

2 & 3

Closed

Open

Closed

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

BF0

BF1

FS0

FS1

FS2

166MHz

66MHz

2.5x

2 & 3

2 & 3

Closed

Open

Closed

200MHz

66MHz

3x

1 & 2

2 & 3

Closed

Open

Closed

233MHz

66MHz

3.5x

1 & 2

1 & 2

Closed

Open

Closed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

BF0

BF1

FS0

FS1

FS2

75MHz

50MHz

1.5x

1 & 2

1 & 2

Closed

Closed

Closed

90MHz

60MHz

1.5x

1 & 2

1 & 2

Open

Closed

Closed

100MHz

66MHz

1.5x

1 & 2

1 & 2

Closed

Open

Closed

120MHz

60MHz

2x

2 & 3

1 & 2

Open

Closed

Closed

133MHz

66MHz

2x

2 & 3

1 & 2

Closed

Open

Closed

150MHz

60MHz

2.5x

2 & 3

2 & 3

Open

Closed

Closed

166MHz

66MHz

2.5x

2 & 3

2 & 3

Closed

Open

Closed

200MHz

66MHz

3x

1 & 2

2 & 3

Closed

Open

Closed

233MHz

66MHz

3.5x

1 & 2

1 & 2

Closed

Open

Closed

CPU VOLTAGE SELECTION

Voltage

V core

JP11

JP12

3.3v

2.8v

Pins 1 & 2 closed

Pins 1 & 2 closed

3.3v

3.3v

Pins 2 & 3 closed

Pins 1 & 2 closed

3.3v

3.45v

Pins 4 & 5 closed

Pins 1 & 2 closed

3.3v

3.52v

Pins 5 & 6 closed

Pins 1 & 2 closed

3.52v

2.8v

Pins 1 & 2 closed

Pins 2 & 3 closed

3.52v

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

3.52v

3.45v

Pins 4 & 5 closed

Pins 2 & 3 closed

3.52v

3.52v

Pins 5 & 6 closed

Pins 2 & 3 closed