Titan VX ATX  (S1472)  Jumper Settings

J21,22,31: CPU Speed

J29

J30

J31

CPU Speed

BUS Speed

1-2, 3-4

OFF

OFF

75 MHz

50MHz - PCI=25MHz

3-4

OFF

OFF

90MHz

60MHz - PCI=30MHz

1-2

OFF

OFF

100MHz

66.67MHz - PCI=33MHz

3-4

ON

OFF

120MHz

60MHz - PCI=30MHz

1-2

ON

OFF

133MHz

66.67MHz - PCI=33MHz

3-4

ON

ON

150MHz

60MHz - PCI=30MHz

1-2

ON

ON

166MHz

66.67MHz - PCI=33MHz

1-2

OFF

ON

200MHz

66MHz - PCI=33MHz

1-2, 3-4

ON

OFF

Cyrix P120+

66.67MHz - PCI=33MHz

3-4

ON

OFF

Cyrix P150+

60MHz - PCI=30MHz

1-2

ON

OFF

Cyrix P166+

66.67MHz - PCI=33MHz

Power Supply voltage selection (ATX or AT with/without MMX)

 

ATX (Default)

AT

ATX + P55C

AT + P55C

ON

OFF

ON

OFF

ON

OFF

ON

OFF

J14

X

 

X

 

 

X

 

X

J18

X

 

X

 

 

X

 

X

J19

X

 

X

 

 

X

 

X

J17 (P55C Vcore 3.0V)

 

X

 

X

 

X

 

X

J15 (P55C Vcore 3.5V)

 

X

 

X

 

X

 

X

J16 (P55C Vcore 2.8V)

 

X

 

X

X

 

X

 

J33

 

X

X

 

 

X

X

 

J53

 

X

X

 

 

X

 

X

J54

 

X

 

X

X

 

X

 

J55

 

X

X

 

 

X

 

X

The Titan VX automatically sets voltage for the Intel processors for you. Click here for an explanation of jumper settings and this chart for MMX CPUs.

J27-30, 3-5:  Memory Voltage Settings (Bold=DEFAULT)

VOLTS

J27

J28

J29

J30

J3

J4

J5

5V

ON

ON

ON

ON

OFF

OFF

OFF

3.3

OFF

OFF

OFF

OFF

ON

ON

ON

We don't know what voltage your memory is.  Contact your memory vendor for proper voltage selection. Damage to your system and memory will result if voltage is set improperly!

J17, 8: Cache type selection (Bold=DEFAULT)

Size/Type

J20

J21

Onboard 256K SRAM

ON

2-3

256K coast upgrade (tot: 512K) w/Tag

OFF

1-2

256K coast upgrade (tot: 512K) w/o Tag

ON

1-2

If using a coast module upgrade and the motherboard doesn't detect any cache, try the alternate 256K coast upgrade setting.  You may or may not have an on-coast tag ram.

J56: Heatsink Power Source

Pin

Assignment

1

+12V

2

Ground

J47: HDD LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

3

Anode +

4

Cathode -

J50: Turbo Switch

Pin 1-2

Assignment

Open

Turbo On

Closed

Turbo Off

Con 4, 10: Infrared interface

Pin

Assignment

1

Signal In

2

Ground

3

Signal Out

4

VCC

J43: Cmos Reset

Pin 1-2

Assignment

Open

Default

Closed

Clear

J10, 11:  I/O Port Settings

BOLD = Default

J10

J11

Serial Port Enable

1-2

1-2

LR Port Enable

2-3

2-3

J49: Reset Connector

Pin

Assignment

1

Power Good

2

Ground

J48: Speaker Connector

Pin

Assignment

1

Speaker Out

2

NC

3

Ground

4

+5 Volts

J51: Turbo LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

J52: Keylock and Power LED connector

Pin

Assignment

1

LED Output

2

No Connection

3

Ground

4

Keylock

5

Ground

Connect your Power LED from your case across pins 1 and 3.  Keylock should be connected across pins 4 and 5.   If the LED does not light up, reverse the connection.  You may have the polarities reversed.

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