Titan VX AT  (S1470)  Jumper Settings

J29,30,31: 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+

50MHz - PCI=25MHz

3-4

ON

OFF

Cyrix P150+

60MHz - PCI=30MHz

1-2

ON

OFF

Cyrix P166+

66.67MHz - PCI=33MHz

J58, 60-70: Voltage Regulator Settings for P54C

BOLD = DEFAULT

3.3V

3.5V

3.6V

J60

OFF

OFF

ON

J61

ON

OFF

OFF

J62

OFF

ON

OFF

J58

OFF

OFF

OFF

J63

OFF

OFF

OFF

J64

OFF

OFF

OFF

J65

OFF

OFF

OFF

J66

OFF

OFF

OFF

J67

ON

ON

ON

J68

ON

ON

ON

J69

ON

ON

ON

J70

ON

ON

ON

Default values are for the Intel Pentium P54C.

J58, 63-70: Voltage Regulator Settings for P55C

Jumper/ Voltage

3.0V

2.85V

2.65V

J63

OFF

OFF

ON

J64

OFF

ON

OFF

J65

ON

OFF

OFF

J58

ON

ON

ON

J66

ON

ON

ON

J67

OFF

OFF

OFF

J68

OFF

OFF

OFF

J69

OFF

OFF

OFF

J70

OFF

OFF

OFF

J2, 6, 9, 16, 4, 14-15: Memory Voltage Settings (Bold=DEFAULT)

VOLTS

J2

J6

J9

J16

J4

J14

J15

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!

J20,21: 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.

J49: Reset Connector

Pin

Assignment

1

Power Good

2

Ground

J41: Speaker Connector

Pin

Assignment

1

Speaker Out

2

NC

3

Ground

4

+5 Volts

J42: Turbo Switch

Pin 1-2

Assignment

Open

Turbo On

Closed

Turbo Off

J43: Cmos Reset

Pin 1-2

Assignment

Open

Default

Closed

Clear

J12: HDD LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

3

Anode +

4

Cathode -

J50: Turbo LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

Con 11, 12: Infrared interface

Pin

Assignment

1

Signal In

2

Ground

3

Signal Out

4

VCC

J10, 11:  I/O Port Settings

BOLD = Default

J10

J11

Serial Port Enable

1-2

1-2

LR Port Enable

2-3

2-3

J40: 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.

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