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Voodoo 5500 - 26-pin P3 header

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First post, by moog

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What does this actually do? You know, this header above the VRAM chips.

So is this the SLI header? The only comment on SLI for the Voodoo 5500 I could find online is here: https://forums.tomshardware.com/threads/voodo … 5/#post-5993173
And it says "No". Then this guy comes along and uses it to make a quadruple SLI that utilizes 4 Voodoo 5500 cards: http://captains-workspace.com/?page_id=17

So what is this header?
What was its intended use case?
What can it be used for?
And why is it not covered in the Voodoo 5500 manual?

Eventually I found the real manual, but it's just as useless as the marketing pamphlet.

Finally, I found the Voodoo 5500 FAQ from 3dfx itself and there it says something that it's for Quantum3D's AAlchemy cards, which enables cross-board SLI for VSA-100 chips. From what I've gathered, Captain from captains-workspace.com used Quantum3D Mercury Brick module to connect 4x 5500 cards. What would be needed to get just 2 working together?

Attachments

  • Filename
    Voodoo4-5_Quick_Install.pdf.part02.pdf
    File size
    5 MiB
    Downloads
    30 downloads
    File comment
    The real manual. Still useless. Part 2/3, merge with cat
    File license
    Public domain
  • Filename
    Voodoo4-5_Quick_Install.pdf.part01.pdf
    File size
    5 MiB
    Downloads
    30 downloads
    File comment
    The real manual. Still useless. Part 1/3, merge with cat
    File license
    Public domain
  • Filename
    Voodoo4-5_Quick_Install.pdf.part00.pdf
    File size
    5 MiB
    Downloads
    32 downloads
    File comment
    The real manual. Still useless. Part 0/3, merge with cat
    File license
    Public domain
  • Filename
    voodoo5.pdf
    File size
    582 KiB
    Downloads
    34 downloads
    File comment
    Bloody useless manual. "Marketing pamphlet" is a description more fitting
    File license
    Public domain
  • 3dfx_voodoo5_5500_f.jpg
    Filename
    3dfx_voodoo5_5500_f.jpg
    File size
    1.36 MiB
    Views
    552 views
    File comment
    Mirrored from https://vgamuseum.ru/wp-content/gallery/3dfx-voodoo-5-5500/3dfx_voodoo5_5500_f.jpg
    File license
    Public domain

Audigy 2 ZS in FreeDOS
LinLin adapter documentation
+ various capacitor list threads

Reply 1 of 6, by moog

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Posting the remainder of files.

Attachments

  • 4x-Quantum3D-Obsidian2-200SBi-1.jpg
    Filename
    4x-Quantum3D-Obsidian2-200SBi-1.jpg
    File size
    333.63 KiB
    Views
    551 views
    File comment
    Quantum3D 200SBi with the cross-board SLI module
    File license
    Public domain
  • Filename
    3dfx-faq-voodoo5_5500.zip
    File size
    8.44 KiB
    Downloads
    33 downloads
    File comment
    Voodoo 5500 FAQ
    File license
    Public domain
  • Filename
    Voodoo4-5_Quick_Install.pdf.part03.pdf
    File size
    3.8 MiB
    Downloads
    30 downloads
    File comment
    The real manual. Still useless. Part 3/3, merge with cat
    File license
    Public domain

Audigy 2 ZS in FreeDOS
LinLin adapter documentation
+ various capacitor list threads

Reply 2 of 6, by Joseph_Joestar

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That looks like a standard VESA feature connector to me.

They were used for DVD decoder cards and such back in the day. More info here: VESA feature connector devices

PC#1: Pentium MMX 166 / Soyo SY-5BT / S3 Trio64V+ / Voodoo1 / YMF719 / AWE64 Gold / SC-155
PC#2: AthlonXP 2100+ / ECS K7VTA3 / Voodoo3 / Audigy2 / Vortex2
PC#3: Athlon64 3400+ / Asus K8V-MX / 5900XT / Audigy2
PC#4: i5-3570K / MSI Z77A-G43 / GTX 970 / X-Fi

Reply 4 of 6, by moog

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paradigital wrote on 2023-09-15, 12:58:

Read the last sentence on the linked captains-workspace page. It was an April Fool’s joke, nothing more.

BLOODY HELL

Joseph_Joestar wrote on 2023-09-15, 11:24:

That looks like a standard VESA feature connector to me.

They were used for DVD decoder cards and such back in the day. More info here: VESA feature connector devices

Is it even remotely possible that this could be used to create a DVI output?

Audigy 2 ZS in FreeDOS
LinLin adapter documentation
+ various capacitor list threads

Reply 5 of 6, by Joseph_Joestar

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moog wrote on 2023-09-15, 14:08:

Is it even remotely possible that this could be used to create a DVI output?

You'd have to ask someone who's more familiar with the hardware specs.

I just happen to know what it was used for thanks to old computer magazines from the late '90s. 😀

PC#1: Pentium MMX 166 / Soyo SY-5BT / S3 Trio64V+ / Voodoo1 / YMF719 / AWE64 Gold / SC-155
PC#2: AthlonXP 2100+ / ECS K7VTA3 / Voodoo3 / Audigy2 / Vortex2
PC#3: Athlon64 3400+ / Asus K8V-MX / 5900XT / Audigy2
PC#4: i5-3570K / MSI Z77A-G43 / GTX 970 / X-Fi

Reply 6 of 6, by DerBaum

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moog wrote on 2023-09-15, 14:08:

Is it even remotely possible that this could be used to create a DVI output?

Yes. CRT Terminator Digital VGA Feature Card ISA DV1000

FCKGW-RHQQ2

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