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Reply 120 of 177, by Sphere478

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Re: Adding 3.3v to pci

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file.php?id=139772&mode=view
made this recently^

therefore naturally>

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FREEWAY DESIGN FW Ti5VGF 1 3 3 V Adapter.zip
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Anyone wanna check the measurements on this and prototype it?

if all looks good I can make a ultra version (this won't fit ultra)

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Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
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SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
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Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 122 of 177, by Sphere478

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Kahenraz wrote on 2022-06-16, 17:14:

That's a really nice board. I love the color.

What do you plan to use the iRam for?

Just for cool factor really. And page file. But I have enough ram that the page file isn’t much needed.

Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
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SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
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Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 123 of 177, by Sphere478

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trimmed it up a bit

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Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
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SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
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Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 125 of 177, by Sphere478

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Kahenraz wrote on 2022-06-17, 00:43:

That's pretty cool. I saw someone make something like this with some handsome looking orange wire, I think. I want to mod one of my boards with this some day.

which board ya thinkin?

if this works well, I think I'll probably make one for the tyan S1564D and the freeway ultra

Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
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SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 126 of 177, by Kahenraz

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Probably my ASUS P5A, since that's the same one that I'm doing to add your CPU mod to.

I would have modded one of my Intel AN430TX boards, as I have a small collection of them. But they already have +3.3V on the PCI slots. It's also a Socket 7 board, so this was very surprising. I do want to CPU mod this one though.

Reply 127 of 177, by Sphere478

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Kahenraz wrote on 2022-06-17, 03:12:

Probably my ASUS P5A, since that's the same one that I'm doing to add your CPU mod to.

I would have modded one of my Intel AN430TX boards, as I have a small collection of them. But they already have +3.3V on the PCI slots. It's also a Socket 7 board, so this was very surprising. I do want to CPU mod this one though.

which revision? I'm assuming 1.05-1.06? the tweaker has a WT/WB mod for those.
I have a 1.04

I had a 1.06 but it sucked 🤣, ditched it.

Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 129 of 177, by Sphere478

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Re: AGP to PCI adapters - any PCB designers here willing to make one?

Need to investigate pin for 66mhz

Sphere's PCB projects.
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Sphere’s socket 5/7 cpu collection.
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SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
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Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 130 of 177, by Sphere478

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Looky what I got

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Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 131 of 177, by Kahenraz

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Is there any advantage other than convenience to have it manufactured as a single PCB rather than individual parts that can be connected via a wire? If it is in pieces, it would be compatible with more boards.

Reply 132 of 177, by Sphere478

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In the thread “adding 3.3v to pci” there is a single pci version.

I just noticed that I messed up the part where the 3.3v and 3.3/5v jumpers are. Oops 🤣 will fix that in next version. I plan on ordering red anyway so this was just a prototype to make sure it fit (red costs a lot more)

Re: Adding 3.3v to pci
Here is the thread.
I haven’t ordered a prototype. If you want to, go for it, 😀 lemme know if it is okay or needs changes

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 133 of 177, by Sphere478

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Oh wow, this is nice.

Gotta make a few adjustments, then should be good to go.

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Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 135 of 177, by pentiumspeed

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What you did is called modification board bodge. If I recall correctly, saves money not re-spin the board again, just install small bodge board either with jumpers or without.

Cheers,

Great Northern aka Canada.

Reply 136 of 177, by Sphere478

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pentiumspeed wrote on 2022-08-07, 18:01:

What you did is called modification board bodge. If I recall correctly, saves money not re-spin the board again, just install small bodge board either with jumpers or without.

Cheers,

🤔 cool. Didn’t know that term. I’ve heard of bodge wires.

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 137 of 177, by pentiumspeed

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ideally, have some ground solder points on the bodge board and few SMD pads for capacitor or two next to each slot?

Cheers,

Great Northern aka Canada.

Reply 138 of 177, by Sphere478

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pentiumspeed wrote on 2022-08-07, 23:46:

ideally, have some ground solder points on the bodge board and few SMD pads for capacitor or two next to each slot?

Cheers,

Not a bad idea.

Got a footprint in mind?

Prob easier to add the caps near the atx connector

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)

Reply 139 of 177, by Sphere478

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Filename
FREEWAY DESIGN FW Ti5VGF 1 3 3 V Adapterv3.1415.zip
File size
2.26 MiB
Downloads
69 downloads
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Public domain

okay, I have version 3.1415 of the pcb ready.

this is for the non ultra

the ultra version requires a modification to the atx location

-removed the vsb disconnect

-fixed the solder bridge configuration

-raised the atx location just a tad

-came up with a new edge cut layout

this is probably a final version, but currently I don't have a plan to prototype it anytime soon, lots of other stuff to do on other things in my life, so if someone wants to try it out go for it. just be careful.

eventually I'll modify this for the ultra

Attachments

  • Schematic.png
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    Schematic.png
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    File license
    Public domain
  • 3d front.png
    Filename
    3d front.png
    File size
    174.91 KiB
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    1435 views
    File license
    Public domain
  • 3d back.png
    Filename
    3d back.png
    File size
    165.55 KiB
    Views
    1435 views
    File license
    Public domain

Sphere's PCB projects.
-
Sphere’s socket 5/7 cpu collection.
-
SUCCESSFUL K6-2+ to K6-3+ Full Cache Enable Mod
-
Tyan S1564S to S1564D single to dual processor conversion (also s1563 and s1562)