Doctor Sid
New member
Hi guys!
I'm planning to do a voltage mod on a Rage 128 Pro.
As far as i have found out, i need to solder a variable resistor of about 20k ohm between ground and the Vref pin of the TL431C.
http://www.semiconductors.philips.com/acrobat/datasheets/TL431C_AC_I_AI_LM431AC_2.pdf
Ist this correct?
What i need to know is where I can measure the core and mem voltage.
Thx for your help!
I'm planning to do a voltage mod on a Rage 128 Pro.
As far as i have found out, i need to solder a variable resistor of about 20k ohm between ground and the Vref pin of the TL431C.
http://www.semiconductors.philips.com/acrobat/datasheets/TL431C_AC_I_AI_LM431AC_2.pdf
Ist this correct?
What i need to know is where I can measure the core and mem voltage.
Thx for your help!