[Sarah1331]

Did not meant to offend pal you just put atx to ps3 not clip


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[Sarah1331]

Originally Posted by digiprog umm guys .. sorry to waste ur time in such questions but.. when ppl usually downgrade what's the story behind blue ray loss and such ?? ps. maybe that's a good reason why i may desolder the nor :P and power it outside the ps3 ? haha :P

Not anymore pal all in the past


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[digiprog]

thanks sara that's a good news

[underwurlde]

There is no positive supply provided to the clips, only a common GND rail so as the clips stand and without somehow providing this supply to the chip (when de-soldered from the PCB) then neither dumping or programming will work regardless of how much power is supplied via a regulator.

The caps are there for local supply decoupling (not 'smoothing') they provide a local instantaneous supply due to fast logic transients taking pulses of current which would otherwise dip the supply caused by inductive coupling via tracking to the regulator. Think dI/dt. Nice to have them in other words and not just discard them, especially on a clip with long leads and hence increased inductive blocking of the supply disrupting the local rail to the flash IC.

A

[Sarah1331]

Originally Posted by underwurlde There is no positive supply provided to the clips, only a common GND rail so as the clips stand and without somehow providing this supply to the chip (when de-soldered from the PCB) then neither dumping or programming will work regardless of how much power is supplied via a regulator. The caps are there for local supply decoupling (not 'smoothing') they provide a local instantaneous supply due to fast logic transients taking pulses of current which would otherwise dip the supply caused by inductive coupling via tracking to the regulator. Think dI/dt. Nice to have them in other words and not just discard them, especially on a clip with long leads and hence increased inductive blocking of the supply disrupting the local rail to the flash IC. A

Oooooo you told me lol :P

I didn't know on the nor clip as I only have NAND clips

So does the nor clip not have the 3.3v pin


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[digiprog]

Originally Posted by underwurlde There is no positive supply provided to the clips, only a common GND rail so as the clips stand and without somehow providing this supply to the chip (when de-soldered from the PCB) then neither dumping or programming will work regardless of how much power is supplied via a regulator. The caps are there for local supply decoupling (not 'smoothing') they provide a local instantaneous supply due to fast logic transients taking pulses of current which would otherwise dip the supply caused by inductive coupling via tracking to the regulator. Think dI/dt. Nice to have them in other words and not just discard them, especially on a clip with long leads and hence increased inductive blocking of the supply disrupting the local rail to the flash IC. A

that's interesting what i've understand the NOR chip has an a controller chip aside of it 4x4 maybe ? anw this chip somehow feeds the NOR in special way .. so we cannot feed the NOR when the ps3 is completely off and no atx power supply is connected ?

[underwurlde]

Well I see a 50way connector on both the ProgSkeet v1.1 and 1.2 that feeds these clips via a mating 50 way ribbon cable etc. Depending on bitstream programmed it then allows dumping / flashing of either NOR or NAND chips.

What I do NOT see feeding ANY of the pins on this 50 way header is the 3.3V supply! So where does it get the power from if these chips are removed & hence isolated from the supply provided by say a PS3?

Just an observation.

A controller chip inside the clip? Never seen one of these clips but I very much doubt it! Any way, the 'control chip' is the Tristate connection from the ProgSkeet if you want to think of it in those terms

Andy

[Sarah1331]

Originally Posted by underwurlde Well I see a 50way connector on both the ProgSkeet v1.1 and 1.2 that feeds these clips via a mating 50 way ribbon cable etc. Depending on bitstream programmed it then allows dumping / flashing of either NOR or NAND chips. What I do NOT see feeding ANY of the pins on this 50 way header is the 3.3V supply! So where does it get the power from if these chips are removed & hence isolated from the supply provided by say a PS3? Just an observation. A controller chip inside the clip? Never seen one of these clips but I very much doubt it! Any way, the 'control chip' is the Tristate connection from the ProgSkeet if you want to think of it in those terms Andy

You make a good point but am sure you could add a supply

And I cannot see the clip having a controller


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[underwurlde]

Yes, if my assumptions are correct, a supply must be added somehow to the clip - note one supply pin on a NOR chip, two supply pins on a NAND chip.

A

[digiprog]

okay gonna wait till the progskeet 1.1 arrives ... thanks guys