VOGONS

What is this longer PCI slot (IBM netvista)???

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First post, by waterbeesje

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Today I've finally made some time to take a good look at the IBM netvista 6059, Pentium 3 933.

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I've got it for over a year but never really took the time to open it up. After opening the case there's a longer version of the PCI slot visible.

It is not a 66MHz PCI-X as far as I know, those are longer. I couldn't find any info on this one, so could you help to identify this slot?

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There also is a network card present that matches this slot: IBM CAEP304005

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On the inside of the hood there is a chart with motherboard details, which only points out regular PCI slots.

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Stuck at 10MHz...

Reply 1 of 9, by Joseph_Joestar

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Possibly PCI-X.

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: Core 2 Duo E8600 / Foxconn P35AX-S / X800 / Audigy2 ZS
PC#4: i5-3570K / MSI Z77A-G43 / GTX 980Ti / X-Fi Titanium

Reply 2 of 9, by waterbeesje

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Joseph_Joestar wrote on 2021-01-31, 16:09:

Possibly PCI-X.

As far as I know those are longer, almost twice the length of a 32bit 33MHz slot or am I wrong there?

Stuck at 10MHz...

Reply 3 of 9, by computerguy08

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Nope, it's clearly not a PCI-X slot.

The attachment 20210131_182535.jpg is no longer available

Reply 5 of 9, by konc

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It's a proprietary 32bit PCI 2.2, the extra part is the "LAN Connect Interface" (LCI). Obviously used for network cards, although any PCI card should work in that slot.

Reply 6 of 9, by Horun

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Interesting ! From the 6058/6059 maintenance manual it lists the NIC as ROULETTE ETHERNET ADAPTER IBM PN: 19K4885 and here is the picture showing longer PCI slot but no mention in the manual as to why:

Hate posting a reply and then have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. Stuff: https://archive.org/details/@horun

Reply 7 of 9, by waterbeesje

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konc wrote on 2021-01-31, 17:11:

It's a proprietary 32bit PCI 2.2, the extra part is the "LAN Connect Interface" (LCI). Obviously used for network cards, although any PCI card should work in that slot.

Property... ibm... Ofc I should have guessed 🤣
Thnx! 😁

So u guess this lan card is something uncommon as well?

Stuck at 10MHz...

Reply 8 of 9, by pentiumspeed

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This has one or two signals and power/ground on PCI slot and the path for PCH/ PHY network through this extended part. Non-standard but I like that idea where can choose real NIC or PHY-based and if fails can be replaced.

Cheers,

Great Northern aka Canada.

Reply 9 of 9, by Tetrium

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There were quite a lot of proprietary expansion slots during that era, the ASUS Media Bus is just one of the more well known examples.
I at one time came across a similar slot but it being ISA. It was just a regular ISA slot but it had been expanded to be a bit longer, accepting the proprietary longer ISA cards which used the extended bit (iirc) for the PC speaker or something 🤣.

I'm not even sure if there are no such proprietary slots in existence that ended up having been used in only a single model of PC or motherboard.

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