Ok i have a new build ms1 v3.0 blue board , i have only built the power supply and the rs232 port so far , just testing and will move on with i finish and have passed all test ,
some more back ground , this is the 2nd board, 1st one i broke trying to desolder i part .
theses are the voltages that i have when testing
s12 11.39v
s12c 10.71v
q9 11.38v
q12 11.39v
D3 11.38v
Left u5 10.71v
d9 5.06v
s5 5.06v
proto holes 5.06v
right U5 5.06v
D19 5.06v
"CPU Pin 1
" 5.06v
"CPU Pin 20
" 5.06v
cpu pin 31 5.06v
On CPU Pin 11 i get 4.01 volts?
On CPU Pin 12 i get 4.01 volts?
newbe help new build ms1 v3.0 can't connect to cpu
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newbe help new build ms1 v3.0 can't connect to cpu
1987 BMW 325 Cabrio , Sold
1998 VW cabrio, Need to Sell
2015 Ram 1500 CrewCab Eco Diesel
2003 Mini Copper S 6 speed BRG
1998 VW cabrio, Need to Sell
2015 Ram 1500 CrewCab Eco Diesel
2003 Mini Copper S 6 speed BRG
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- Super MS/Extra'er
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Re: newbe help new build ms1 v3.0 can't connect to cpu
Are you sure it is pin 11 and 12 and not pin 12 and 13? 12 and 13 are the Tx, Rx for the serial connection.
Graduate of EFI University.
I build, repair, install and tune Megasquirt systems in North Dakota and beyond!
I build, repair, install and tune Megasquirt systems in North Dakota and beyond!
Re: newbe help new build ms1 v3.0 can't connect to cpu
i will check this & get back,
Check this and you were right i have voltage on pin 12 /13
Check this and you were right i have voltage on pin 12 /13
1987 BMW 325 Cabrio , Sold
1998 VW cabrio, Need to Sell
2015 Ram 1500 CrewCab Eco Diesel
2003 Mini Copper S 6 speed BRG
1998 VW cabrio, Need to Sell
2015 Ram 1500 CrewCab Eco Diesel
2003 Mini Copper S 6 speed BRG
-
- Super MS/Extra'er
- Posts: 1341
- Joined: Mon Sep 05, 2011 1:20 pm
Re: newbe help new build ms1 v3.0 can't connect to cpu
Then all is well. You do need the clock circuit for the MS1 processor in order to connect.
Graduate of EFI University.
I build, repair, install and tune Megasquirt systems in North Dakota and beyond!
I build, repair, install and tune Megasquirt systems in North Dakota and beyond!