j_tt_vx1470

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

Power Good

Ground


	J41: Speaker Connector

Pin

Assignment

Speaker Out

Ground

+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

Cathode -

Anode +

Cathode -


	J50: Turbo LED Connector

Pin

Assignment

Cathode -

Anode +


	Con 11, 12: Infrared interface

Pin

Assignment

Signal In

Ground

Signal Out

VCC


	J10, 11: I/O Port Settings

BOLD = Default

J10

J11

Serial Port Enable

1-2

LR Port Enable

2-3


	J40: Keylock and Power LED connector

Pin

Assignment

LED Output

No Connection

Ground

Keylock

Ground

Connect your Power LED from your case across pins 1 and 3. Keylock should be connected across pins 4 and 5.