Titan III  (S1468)  Jumper Settings

J24,32,33: CPU Speed

J24

J32

J33

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

Only on PCB-05 or later

J35-40: Voltage Regulator Settings for P54C - P55C at bottom

BOLD = DEFAULT

2.8V (for Rev.5 only)

3.3V

3.48V

3.6V

J35

OFF

OFF

OFF

ON

J36

ON

OFF

ON

OFF

J37

OFF

ON

OFF

OFF

J38

OFF

OFF

OFF

OFF

J39

OFF

OFF

OFF

OFF

J40

ON

OFF

OFF

OFF

Default values are for the Intel Pentium P54C.  If you are using a Cyrix Processor, contact Cyrix for proper the proper voltage selection.  If you are using an IBM/SGS 6x86/M1 processor, a "016" marking indicates a 3.3V CPU.  A "028" marking indicates a 3.48V CPU.  Contact your CPU vendor for further assistance.

J1-2, J9,11, J4-6: Memory Voltage Settings (Bold = DEFAULT)

VOLTS

J1

J2

J9

J11

J4

J5

J6

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!

J28-31: Cache type selection (Bold=DEFAULT on PCB-05)

Size/Type

J28

J29

J30

J31

All Size/Types

OFF

OFF

OFF

OFF

512K Async

2-3

1-2

2-3

1-2

256K Asnync

1-2

2-3

2-3

2-3

256K/512K Coast

1-2

1-2

1-2

1-2

BOLD settings only apply to PCB-05 revs only.   All others, use the alternate settings in black.

J49: Reset Connector

Pin

Assignment

1

Power Good

2

Ground

J45: Speaker Connector

Pin

Assignment

1

Speaker Out

2

Ground

3

Ground

4

+5 Volts

J48: HDD LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

Only pins 1 & 2 used

J47: Turbo Switch

Pin 1-2

Assignment

Open

Turbo On

Closed

Turbo Off

J35-40: MMX Support

PIN 1-2

Jumper

OFF

J35

ON

J36

OFF

J37

OFF

J38

OFF

J39

ON

J40

J50: Turbo LED Connector

Pin

Assignment

1

Cathode -

2

Anode +

Con 9, 10: Infrared interface

Pin

Assignment

1

Signal In

2

Ground

3

Signal Out

4

VCC

J41: Cmos Reset

Pin 1-2

Assignment

Open

Normal

Closed

Clear

J46: Keylock and Power LED connector

Pin

Assignment

1

LED Output

2

No Connection

3

Ground

4

Keylock

5

Ground

J26-27, 53-56: MMX Support

PIN 1-2

Jumper

ON

J53

OFF

J54

OFF

J55

OFF

J56

OFF

J26

OFF

J27

MMX CPU Settings are only supported on Titan III motherboards with PCB-05 or greater only.  All other revisions are not mmx ready .

© Copyright 2001, Tyan Computer Corporation. All Rights Reserved.