Intel-built 486/Pentium/PPro/PII motherboard guide

Discussion about old PC hardware.

Intel-built 486/Pentium/PPro/PII motherboard guide

Postby GL1zdA » 2009-6-18 @ 23:01

ATX Note: Some (perhaps all) Dell ATX boards pre-Pentium4 have a proprietary ATX power pin-out. Any ATX PSU will plug in, but the board will burn up if you power up unless it's the Dell pinout.
http://pinouts.ru/Power/dell_atxpower_pinout.shtml

Intel iSBC 386AT-25
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486 Motherboards

Intel 403E
Image

Classic/PCI Expandable Desktop (Ninja)
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- Socket 3, 420EX (Aries), Baby AT

Classic/PCI i486 (Alfredo)
Image
manual PDF
- Socket 3, 420TX (Saturn), Baby AT

Pentium Motherboards
Classic/PCI Pentium (Batman)
Image
manual PDF
- Socket 4, 430LX (Mercury), Baby AT
- There are a few versions of this board. Hard to find info. Some have SCSI onboard.
- ISA secondary IDE (fairly sure). Old-style direct mapped cache.

Premiere/PCI LC (Robin LC)
premiere-pci-lc.jpg
Premiere/PCI LC


Premiere/PCI II (Plato)
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- Socket 5, 430NX (Neptune), Baby AT
- Very similar to "Batman" mobo but with the slightly different chipset and socket.

Advanced/ZP (Zappa)
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Manual (doc)
- Socket 5, 430FX (Triton), Baby AT

Advanced/EV (Endeavor)
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manual PDF
- Socket 5 or 7, 430FX, Baby AT
- Optional S3 Trio64 1MB (up to 2MB) and/or Creative Vibra 16S audio

Advanced/AS (Atlantis)
Image
manual PDF
- Socket 7, 430FX, Baby AT
- Optional ATI 264CT video with 1MB (up to 2MB) and/or Crystal CS4232 audio
- A lot like Endeavor.

Advanced/ATX (Thor)
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manual PDF
- Socket 7, 430FX, ATX
- Optional S3 Trio64V+ 1MB (up to 2MB) and/or Crystal CS4232 audio
- Seems to be Intel's first ATX mobo.

TE430VX (Tiger Eye)
Image
manual PDF
- Socket 7, 430VX (Triton III), ATX
- optional S3 Trio64V+ 1MB (up to 2MB) and/or Creative Vibra 16C audio

AG430HX (Agate)
Image
manual PDF
- Socket 7, 430HX (Triton II), ATX
- ATI 264GT graphics w/ 2MB EDO and optional Yamaha OPL YMF701 audio

TC430HX (Tucson)
Image
manual PDF
- Socket 7, 430HX, ATX
- optional S3 Trio64V+ or S3 ViRGE with 2MB and/or Yamaha OPL3-SA and OPL4-ML (option)

Advanced/ML (Marl)
Image
manual PDF
- Socket 7, 430HX, ATX

AN430TX (Anchorage)
Image
manual PDF
- Socket 7, 430TX, ATX
- optional ATI Rage II+ and/or Yamaha OPL3-SA3 & OPL4-ML (option)
- optional video capture and TV-out

LT430TX (Lone Tree)
Image
manual PDF
- Socket 7, 430TX, ATX
- optional ATI Rage II+ and/or Yamaha OPL3-SA3 & OPL4-ML (option)
- OEM AN430TX w/o some options



Pentium Pro Motherboards
Performance/PR PR440FX (Providence)
Image
manual PDF
- Dual Socket 8, 440FX, ATX
- Adaptec 7880 SCSI, optional Intel Etherexpress Pro/100B LAN
- optional Crystal CS4236 audio

Performance/VS VS440FX (Venus)
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manual PDF
- Socket 8, 440FX, ATX
- Optional Crystal CS4236 audio
- some have USB
- I own one of these. A great Pentium Pro mobo that's very stable and even overclockable with an undocumented multiplier setting. Only downside is rather slow BIOS memory counting.

Performance/AU (Aurora)
Image
manual PDF
- Socket 8, 450KX, ATX

AP440FX (Apollo / Krakatoa)
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- Socket 8, 440FX, LPX



Pentium II Motherboards
PD440FX (Portland)
Image
manual PDF
- Slot 1, 440FX, ATX. SCSI
- optional Yamaha OPL3-SA3 and OPL4-ML (option)

AL440LX (Atlanta)
Image
manual PDF
- Slot 1, 440LX, ATX
- optional Yamaha OPL3-SA3 and OPL4-ML (option)

DK440LX (Dakota)
Image
manual PDF
- Dual Slot 1, 440LX, ATX.
- Adaptec 7895 SCSI
- optional Intel 82557 LAN and optional Crystal CS4236B audio

SE440BX-1 (Seattle)
Image
manual PDF
- Slot 1, 440BX, ATX. Pentium 2 - 3 (Katmai P3).

SE440BX-2 (Seattle 2)
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product guide PDF
manual PDF
- Slot 1, 440BX, ATX. Pentium 2,3.
- Coppermine processors on rev 754552-200 or later, 754558-200 or later, A01450-200 or later.

SE440BX-3 (Seattle 3)
Image
manual PDF
- Slot 1, 440BX, ATX. Pentium 2,3. Coppermine.
- OEM only

RC440BX (Rochester)
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manual PDF
- Slot 1, 440BX, uATX.
- Katmai P3 support on 718163-208 or later, 723888-205 or later, 724299-205 or later
- NVIDIA RIVA 128ZX w/ 8MB
- Sound Blaster AudioPCI 64V

SR440BX (Sun River)
Image
promo PDF
manual PDF
Anandtech review (A-)
- Slot 1, 440BX, uATX. Pentium 2/3.
- NVIDIA RIVA TNT w/ 16MB
- Sound Blaster AudioPCI 64V
Last edited by GL1zdA on 2018-3-21 @ 10:21, edited 30 times in total.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby GL1zdA » 2009-6-19 @ 06:18

I still haven't found time to use my Intel 'Ninja' 486 motherboard. Does anyone know what for is this funny little PSU connector on this board? Also own 2 AN430TX, one with ATI onboard VGA and one without.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-19 @ 06:24

I'd say that's an aux power connector. I'm gonna guess that it's optional. Give it a try. :)

There's something very similar on Intel ATX mobos rather often.

BTW, it would be cool to get a photo of that Ninja mobo so I can add it here.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby Old Thrashbarg » 2009-6-19 @ 13:53

On my IBM, that extra power connector goes to the riser card, so I suspect it might provide power for the PCI slots or something. Supplementary power, maybe, to take some of the load of the main power connectors? Not sure, but it would make sense.

Also, with some of the ATX Intel boards you have to be very careful. The ones made for Dell, like many of the SE440BX-3's, have the same additional power connector, but it's for a proprietary Dell PSU, and that little connector carries the 3.3V lines. You can physically plug a standard ATX into the main power connector, but the pins are switched around in a non-standard layout, so you will fry the board if you don't use a Dell PSU (or an ATX modified to the Dell pin layout).
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-19 @ 14:50

Ah yes that's right. I forgot about Dell's proprietary ATX power connections. The SE440BX that my brother had was one of those and I sold it with the PSU when it came time to upgrade. Will add that little tidbit.

I'm not sure if that started earlier than 440BX though.


As for that aux power connection, it looks like quite a few of the above Pentium mobos have it as well. And considering it's right up against the PCI slots, yup I think it's supplementary PCI power for whatever reason....
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby Old Thrashbarg » 2009-6-19 @ 15:08

I'm not sure if that started earlier than 440BX though.


It started back when Dell switched to the ATX form factor, in the late Pentium 1 era. I believe the Dimension P133 was one of the first.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby GL1zdA » 2009-6-24 @ 14:00

swaaye wrote:BTW, it would be cool to get a photo of that Ninja mobo so I can add it here.

Image
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby Amigaz » 2009-6-24 @ 14:09

GL1zdA wrote:
swaaye wrote:BTW, it would be cool to get a photo of that Ninja mobo so I can add it here.

Image


Snatched cache and Dallas DS rtc/cmos chip..."shivers" :shocked:
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Image
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby GL1zdA » 2009-6-24 @ 14:53

Amigaz wrote:
GL1zdA wrote:
swaaye wrote:BTW, it would be cool to get a photo of that Ninja mobo so I can add it here.



Snatched cache

I probably take some cache from another board. There will be only problem with the dirty bit cache.

Amigaz wrote:and Dallas DS rtc/cmos chip..."shivers" :shocked:

Well, if you want an Intel mobo you have to accept them the way they are :)
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-24 @ 23:41

Thanks for the photo, GL1zdA.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby retro games 100 » 2009-6-25 @ 10:48

The Tyan S1563D is a dual socket 7 processor mainboard, based on the Intel 430HX(II) chipset. Thought you might like to see a pic.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby GL1zdA » 2009-6-25 @ 13:49

retro games 100 wrote:The Tyan S1563D is a dual socket 7 processor mainboard, based on the Intel 430HX(II) chipset. Thought you might like to see a pic.

Have exactly the same motherboard, but haven't had time to test it.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby Amigaz » 2009-6-25 @ 14:55

retro games 100 wrote:The Tyan S1563D is a dual socket 7 processor mainboard, based on the Intel 430HX(II) chipset. Thought you might like to see a pic.


mmm....dual socket 7 goodness :happyhappy:

*wiping the drool drips from my mouth"
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-25 @ 19:47

Found a neat little Intel 440BX uATX mobo called the SR440BX. It has an onboard NV TNT GPU w/ 16MB and SB PCI 64.

added above

found 'em on ebay new-in-box for $20 + $10 shipping too.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby gerwin » 2009-6-26 @ 13:24

That Ninja Mainboard seems like a great base for a 486 with PCI slots.

Also that SR440BX sure would make a nice and compact system :) Nvidia TNT graphics. ES 1373 sound on board, now I would rather have seen the Yamaha DS-XG, but you can't have it all.
What I kinda fear is that the Intel Mainboards, such as those based on the 440BX, have rather limited BIOS settings. I read about them having no FSB speed settings other then what the BIOS detects from the CPU: 66 or 100MHz. I would like to know for sure if they have any CPU multiplier options...
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-26 @ 17:45

SR440BX manual
http://download.intel.com/support/mothe ... 253401.pdf

According to the manual, when you jumper the board to configuration mode, you have access to setting up processor speed. It appears to have options for both 66MHz and 100MHz FSB, with CPU speeds from 233-500MHz.

I bet if you run a P2 Klamath that you can run it on any multiplier setting on 66MHz FSB. Good enough really.... A slotket is probably an option too, to force FSB.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby gerwin » 2009-6-27 @ 13:26

That sounds good, thank you swaaye. Indeed certain slotkets can help to set 66 or 100MHz FSB regardless, but then you have to use a S370 CPU.
I also found the following line in the SR440BX bios update release notes: "Added processor speed selection capability for engineering sample processors." The Intel website states native support for processors up to 600 MHz with the latest bios. Still not sure if one can go below 233MHz...
Oh wait, I found it: "Clock multipliers from 3 to 5.5" so 200MHz is also possible.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby retro games 100 » 2009-6-28 @ 18:21

Has anyone seem this webpage before?

http://home.att.ne.jp/alpha/pcboard/486q.htm

It shows a whole bunch of 486 boards. They're not all Intel, so this thread is slightly off-topic, but nevertheless I think it's interesting.
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby swaaye » 2009-6-28 @ 19:08

Oh it doesn't stop with 486s..
http://home.att.ne.jp/alpha/pcboard/frame.htm
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Re: Intel-built 486/Pentium/PPro/PII motherboard guide

Postby Anonymous Coward » 2009-6-28 @ 21:17

I want to know where I can get one of these:

Image

with matching CPU card:

Image[/img]
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