ATX Dell PSU to Offical ATX 2.0 spec pinout
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Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 power supply pin out.
What I found to be the Standard ATX 2.0 pinout:
I have taken a volt meter to the R5400's ATX pinout and this is what I come up with:
[1] Ground [13] Ground
[2] +5v [14] +5v
[3] +5v [15] +5v
[4] +12v [16] +3.3vsb
[5] -12v [17] Ground
[6] Ground [18] Ground
[7] +3.3vsb [19] +12v
[8] +3.3v [20] +3.3vsb
[9] Ground [21] +12v
[10] +3.3v [22] +3.3v
[11] +3.3v [23] +3.3v
[12] +3.3v [24] +3.3vsb
Thankfully my motherboard's manual shows the pinout of it's ATX power supply connector:
So some questions are still wondering inside my head:
1) What voltage should the PSON# be?
2) What voltage should the Power OK be?
3) As you see, I do not have access to a +5Vsb from the R5400 PSU.
Can I just use a normal 5vdc for that (or somehow get 3.3vsb
that I do have to work with it)?
Currently this is my pin-out for my new connector from the R5400 connector to the motherboard:
So do you see anything wrong with the above? Just making sure as I do not want to fry a $500+ server motherboard over one wrong pin.
power-supply atx motherboard
asked Apr 24 '15 at 2:23
StealthRT
5165921
migrated from electronics.stackexchange.com Apr 24 '15 at 14:58
This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.
add a comment |
up vote
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Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 power supply pin out.
What I found to be the Standard ATX 2.0 pinout:
I have taken a volt meter to the R5400's ATX pinout and this is what I come up with:
[1] Ground [13] Ground
[2] +5v [14] +5v
[3] +5v [15] +5v
[4] +12v [16] +3.3vsb
[5] -12v [17] Ground
[6] Ground [18] Ground
[7] +3.3vsb [19] +12v
[8] +3.3v [20] +3.3vsb
[9] Ground [21] +12v
[10] +3.3v [22] +3.3v
[11] +3.3v [23] +3.3v
[12] +3.3v [24] +3.3vsb
Thankfully my motherboard's manual shows the pinout of it's ATX power supply connector:
So some questions are still wondering inside my head:
1) What voltage should the PSON# be?
2) What voltage should the Power OK be?
3) As you see, I do not have access to a +5Vsb from the R5400 PSU.
Can I just use a normal 5vdc for that (or somehow get 3.3vsb
that I do have to work with it)?
Currently this is my pin-out for my new connector from the R5400 connector to the motherboard:
So do you see anything wrong with the above? Just making sure as I do not want to fry a $500+ server motherboard over one wrong pin.
power-supply atx motherboard
asked Apr 24 '15 at 2:23
StealthRT
5165921
migrated from electronics.stackexchange.com Apr 24 '15 at 14:58
This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.
Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33
add a comment |
up vote
3
down vote
favorite
up vote
3
down vote
favorite
Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 power supply pin out.
What I found to be the Standard ATX 2.0 pinout:
I have taken a volt meter to the R5400's ATX pinout and this is what I come up with:
[1] Ground [13] Ground
[2] +5v [14] +5v
[3] +5v [15] +5v
[4] +12v [16] +3.3vsb
[5] -12v [17] Ground
[6] Ground [18] Ground
[7] +3.3vsb [19] +12v
[8] +3.3v [20] +3.3vsb
[9] Ground [21] +12v
[10] +3.3v [22] +3.3v
[11] +3.3v [23] +3.3v
[12] +3.3v [24] +3.3vsb
Thankfully my motherboard's manual shows the pinout of it's ATX power supply connector:
So some questions are still wondering inside my head:
1) What voltage should the PSON# be?
2) What voltage should the Power OK be?
3) As you see, I do not have access to a +5Vsb from the R5400 PSU.
Can I just use a normal 5vdc for that (or somehow get 3.3vsb
that I do have to work with it)?
Currently this is my pin-out for my new connector from the R5400 connector to the motherboard:
So do you see anything wrong with the above? Just making sure as I do not want to fry a $500+ server motherboard over one wrong pin.
power-supply atx motherboard
asked Apr 24 '15 at 2:23
StealthRT
5165921
Hey all I am using an old Dell Precision R5400 which has the 750w hot swap-able power supply. Problem being, since its a dell, the ATX pin layout is different than that of a normal, standard ATX 2.0 power supply pin out.
What I found to be the Standard ATX 2.0 pinout:
I have taken a volt meter to the R5400's ATX pinout and this is what I come up with:
[1] Ground [13] Ground
[2] +5v [14] +5v
[3] +5v [15] +5v
[4] +12v [16] +3.3vsb
[5] -12v [17] Ground
[6] Ground [18] Ground
[7] +3.3vsb [19] +12v
[8] +3.3v [20] +3.3vsb
[9] Ground [21] +12v
[10] +3.3v [22] +3.3v
[11] +3.3v [23] +3.3v
[12] +3.3v [24] +3.3vsb
Thankfully my motherboard's manual shows the pinout of it's ATX power supply connector:
So some questions are still wondering inside my head:
1) What voltage should the PSON# be?
2) What voltage should the Power OK be?
3) As you see, I do not have access to a +5Vsb from the R5400 PSU.
Can I just use a normal 5vdc for that (or somehow get 3.3vsb
that I do have to work with it)?
Currently this is my pin-out for my new connector from the R5400 connector to the motherboard:
So do you see anything wrong with the above? Just making sure as I do not want to fry a $500+ server motherboard over one wrong pin.
power-supply atx motherboard
power-supply atx motherboard
asked Apr 24 '15 at 2:23
StealthRT
5165921
asked Apr 24 '15 at 2:23
StealthRT
5165921
asked Apr 24 '15 at 2:23
StealthRT
5165921
asked Apr 24 '15 at 2:23
StealthRT
5165921
asked Apr 24 '15 at 2:23
StealthRT
5165921
5165921
migrated from electronics.stackexchange.com Apr 24 '15 at 14:58
This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.
migrated from electronics.stackexchange.com Apr 24 '15 at 14:58
This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.
Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33
add a comment |
Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33
Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33
Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33
add a comment |
1 Answer
1
active
oldest
votes
up vote
1
down vote
PSON is short for Power Supply On, so that is the same as PS-On from the ATX spec, and you can just power the power good with the 5v signal.
edited Nov 21 at 6:39
dirkt
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
1
down vote
PSON is short for Power Supply On, so that is the same as PS-On from the ATX spec, and you can just power the power good with the 5v signal.
edited Nov 21 at 6:39
dirkt
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
add a comment |
up vote
1
down vote
PSON is short for Power Supply On, so that is the same as PS-On from the ATX spec, and you can just power the power good with the 5v signal.
edited Nov 21 at 6:39
dirkt
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
add a comment |
up vote
1
down vote
up vote
1
down vote
PSON is short for Power Supply On, so that is the same as PS-On from the ATX spec, and you can just power the power good with the 5v signal.
edited Nov 21 at 6:39
dirkt
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
PSON is short for Power Supply On, so that is the same as PS-On from the ATX spec, and you can just power the power good with the 5v signal.
edited Nov 21 at 6:39
dirkt
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
edited Nov 21 at 6:39
dirkt
8,60831121
edited Nov 21 at 6:39
dirkt
8,60831121
edited Nov 21 at 6:39
dirkt
8,60831121
8,60831121
answered Apr 24 '15 at 6:02
Mark Omo
1115
answered Apr 24 '15 at 6:02
Mark Omo
1115
answered Apr 24 '15 at 6:02
Mark Omo
1115
1115
add a comment |
add a comment |
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Your big problem will be the 5VSB. This needs to be supplied to the mobo before it can assert PSON# so you can't use a normal 5V line and 3.3V won't be enough. You may be able to feed the 3.3VSB into a boost regulator to get 5V but I don't know if the line will supply enough current.
– DoxyLover
Apr 24 '15 at 6:33