VOGONS


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

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Reply 60 of 107, by gerwin

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Would it be in adea to attach the image of the board to your posts? the sale will expire and then it is lost.

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Reply 61 of 107, by swaaye

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I've made Gl1zda the owner of the first post so he can work on it.

I need to move the photos over to Mediafire sometime. Imagebam is unreliable these days.

Reply 62 of 107, by gerwin

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That is even better 😀

Imagebam unreliable, sorry to hear that. It was the image hosting of choice for a while.

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Reply 63 of 107, by swaaye

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gerwin wrote:

Imagebam unreliable, sorry to hear that. It was the image hosting of choice for a while.

My images seem to slowly disappear from their servers. Sometimes the thumbnail remains but the original is gone.

Reply 64 of 107, by gerwin

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Came across another intel microATX motherboard:
MU440EX
CPU: a single Pentium II (<=333MHz) or Celeron processor (<=400MHz)
Chipset: Intel 82440EX AGPset, 66 MHz host bus speed
Slots: 1 ISA, 2 PCI
Audio: Yamaha YMF 740-V
Graphics: ATI Rage Pro Turbo AGP with 2 MB SGRAM (option for 4MB?)

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Reply 65 of 107, by GL1zdA

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What image hosting service do you recommend? I assume the forum software can't do scaling?
EDIT: now it works.

Last edited by GL1zdA on 2017-03-23, 16:24. Edited 2 times in total.

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Reply 66 of 107, by kokornov

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I discovered that AN430TX AA revisions 672839-xxx does not contain onboard graphics and 680905-xxx does. Is it true?

Reply 68 of 107, by GL1zdA

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Most of the integrated devices (graphics, sound) were optional - Intel sold what the OEM wanted. I have a naked AN430TX and one with sound.

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Reply 69 of 107, by Mr. Bluntman

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I also have an AN430TX with onboard Yamaha sound. It feels much snappier than the AT 430HX board with 256K L2 I owned back in 96-98...

17 years later I am finally able to build my dream Socket 7 system... 🤣

*αlpha*
Core i5 3570 - 4GB DDR3-1600 - Z77SL50K - GeForce GTX 560 Ti - 2TB HDD - Windows 7 Ultimate x64
*βeta*
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Reply 70 of 107, by alec_v

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"Hendrixx" (??) motherboard. Intel 430 LX (Mercury) with integrated CMD640 and Cirrus Logic CL-GD5434. AA 634444-201
Sister of the Batman and Premiere/PCI LC (Robin LC) AA 622319-402
Seeking for docs and BIOS upgrade.
DSC03742s.jpg DSC03743s.jpg

Reply 71 of 107, by Gona

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GL1zdA wrote:
Intel 403E http://www.vogons.org/download/file.php?id=32678&t=1 […]
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Intel 403E
file.php?id=32678&t=1

403E is not 386 but 486 board.
See the CPU socket. And here is the best source:
http://web.archive.org/web/20041213005816/htt … esktop/archive/

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Reply 72 of 107, by Errius

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I have an RC440LX running a pair of PIIs. It's interesting because it uses an unusual power supply with two connectors, one of which is physically (but not electrically) identical to the later 24-pin ATX standard. The other is a 14-pin auxiliary connector which I think carries monitoring/sensor data. It also has a standard 20-pin power connector enabling conventional ATX PSUs to be used instead.

ETA: There is a good picture of the R440LX motherboard with its original retail box currently on Italian eBay.

Last edited by Errius on 2018-03-20, 15:49. Edited 1 time in total.

Is this too much voodoo?

Reply 73 of 107, by Gona

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alec_v wrote:
"Hendrixx" (??) motherboard. Intel 430 LX (Mercury) with integrated CMD640 and Cirrus Logic CL-GD5434. AA 634444-201 Sister of t […]
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"Hendrixx" (??) motherboard. Intel 430 LX (Mercury) with integrated CMD640 and Cirrus Logic CL-GD5434. AA 634444-201
Sister of the Batman and Premiere/PCI LC (Robin LC) AA 622319-402
Seeking for docs and BIOS upgrade.
DSC03742s.jpg DSC03743s.jpg

Here it is some docs:
http://web.archive.org/web/19991022065631/htt … /PremierePCIlc/
And I have found the final bios package file (now this is the only one place where store this file):
ftp://ftp.ioncomputer.com/HardWare/SYSTEMS/19 … OS/10006BC0.EXE

Video card compatibility matrix for DOS games | ATI3DCIF compatibility matrix | CGL API compatibility matrix

Reply 74 of 107, by GL1zdA

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Gona wrote:
403E is not 386 but 486 board. See the CPU socket. And here is the best source: http://web.archive.org/web/20041213005816/htt … […]
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GL1zdA wrote:
Intel 403E http://www.vogons.org/download/file.php?id=32678&t=1 […]
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Intel 403E
file.php?id=32678&t=1

403E is not 386 but 486 board.
See the CPU socket. And here is the best source:
http://web.archive.org/web/20041213005816/htt … esktop/archive/

Well, the motherboard in the picture has a 486 Socket.

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Reply 75 of 107, by slivercr

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Just posting to show appreciation: thanks GL1zdA for this amazing resource!

I'm glad this thread got resurrected and I found my way here.

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Reply 76 of 107, by Windows9566

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I got some retro intel branded boards
2x Advanced/ML, both have 4 pci, 3 isa, 256k cache, 430HX chipset
3x AN430TX, 2 of the boards with 4 pci, 3 isa without onboard video and 512k cache and the 3rd board with 2 pci, 2 isa with onboard video and no cache, 430TX chipset
TE430VX, with 4 pci, 3 isa, COAST module for cache sticks, 430VX chipset
AG430HX, with 4 pci, 3 isa, 256k cache, onboard ATI graphics and onboard yamaha opl3-sa sound. 430HX chipset

i used a couple of the boards that i have in a couple builds

Advanced/ML
Pentium 75
32mb RAM
Cirrus Logic GD5446
Sound Blaster Pro 2 CT1600
2gb CF Card
DOS 6.22 and WfW 3.11

AN430TX
Pentium 133
32mb RAM
s3 Trio 64v+
Sound Blaster 16 CT1740
40gb Maxtor 6E040L0 Hard Drive (this board supports over 8.4 gb unlike a majority of Intel 430 series chipset boards)
Windows 95 OSR2

R5 5600X, 32 GB RAM, RTX 3060 TI, Win11
P3 600, 256 MB RAM, nVidia Riva TNT2 M64, SB Vibra 16S, Win98
PMMX 200, 128 MB RAM, S3 Virge DX, Yamaha YMF719, Win95
486DX2 66, 32 MB RAM, Trident TGUI9440, ESS ES688F, DOS

Reply 78 of 107, by AvalonH

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gerwin wrote:
Some soldering hacks regarding the SR440BX. This probably also goes for the other intel i440BX mainboards. Sources used: datashe […]
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Some soldering hacks regarding the SR440BX. This probably also goes for the other intel i440BX mainboards. Sources used: datasheets.

Here is how to make a Slot-1 133MHz FSB Speed Pentium III EB work with the SR440BX, although it won't be running at 133MHz FSB.
Remove the resistor R19 on the slot-1 card, because otherwise the mainbaord will ground it through Pin A14. Then connect it to a 3,3V source at R18.
43a4b3182495192.jpg

So There I have it my way: Running the SL3XG Pentium III 533 at 266MHz on the SR440BX.

About to do this mod to get a PIII-EB 1GH SL4BS booting on a Compaq branded intel 440bx. Does it default to 100mhz FSB or 66mhz (after removing R19 and connecting to a 3.3v source).
Is there any other non permanent way to force a P3-EB to 100hmz FSB by modding a 440bx motherboard instead?

Reply 79 of 107, by gerwin

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From Intel 244452 P3E DataSheet.pdf:

Table 5. Frequency Select Truth Table for BSEL[1:0]
BSEL1 BSEL0 Frequency
0 0 66 MHz
0 1 100 MHz
1 0 Reserved
1 1 133 MHz
...
BSEL0 = Finger/Pin B21
BSEL1 = Finger/Pin A14
...
This signal can either be left as a no connect or tied to ground.
It should be pulled up to 3.3 V with a 220 Ω resistor.

Since I only changed A14 it should be 100MHz with my mod.

AvalonH wrote:

Is there any other non permanent way to force a P3-EB to 100hmz FSB by modding a 440bx motherboard instead?

You can mod BSEL on the motheroard as well, but you are on your own then.
The cleanest way is to use a Slotket adapter with a Socket 370 CPU, then use the slotket jumpers to override BSEL.

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