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Reply 40 of 68, by cyclone3d

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Here is the BIOS update info for that board:

Bios-Update history for HOT-613 Mainboard
==========================================
Attention:
This file may not be up to date.
We are not liable for any damages caused by the bios-update.

1) Check programming voltage of EEPROM
JP15 1-2: 12V (Intel and MX Chips)
JP15 2-3: 5V (generally: others than Intel chips)
2) Do not load any memory manager.
3) Start DOS and execute: AFLH52B <BIOS file name>
4) After programming, turn off your system for a moment.

The <Bios-Filename> depends on the I/O-Chip (U48) of the onboard-controller.

613WUQ09.BIN UMC-I/O-Chip
613WIQ09.BIN ITE-I/O-Chip

613WIQ09.BIN & 613WUQ09.BIN
add ZIP ,large size HD

613WIQ0A.BIN
dual processor bugfix

613WIQ0B.BIN
fix cannot assign PCI-IRQ

And the BIOS downloads are here:
https://www.shuttle.eu/_archive/older/de/bios … les.htm#sockel8

Doesn't look like the single and dual socket boards use different BIOSes.

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Reply 42 of 68, by wiretap

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No luck on the 2nd CPU being detected. I had already tried the BIOS update. I'm just going to wait on some pictures of a dual socket board so I can see jumper settings. I don't want to damage anything by accidentally jumpering the wrong connections.

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Reply 46 of 68, by wiretap

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Stuck until I at least find some good photos of a real dual board. Project is shelved for now, but I check continuously for sale postings since that is probably the best hope I have to see a real board.

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Reply 48 of 68, by wiretap

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<Spongebob: ONE YEAR LATER...>
Huge update..

I had a dream a few nights ago that I messed up the soldering on the Intel S82093AA chip. Well, I went back today and checked it -- sure enough, I had one leg that was ever so slightly bent and not making contact with the pad. I carefully bent it back down and reflowed it.. now it works!!!! No secret jumpers, no special BIOS, nadda. Just add the socket, capacitors inside the socket area, VRM header and VRM, and the S82093AA chip.

So if you want to get a dual Pentium Pro out of this board, you just need to follow what I did in this thread. Case closed.

Here it is on the test bench with 2x 200MHz PPro's, 128MB EDO RAM, and an ATI Mach 64 ISA (lol).

C29jiXH.jpg

HwCS00D.jpg

G2vpBoi.jpg

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Reply 51 of 68, by Sphere478

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Woohoo!!! Nice!!! Congratts!

They made a single processor version of my board also. But luckily I have the dual version hehe

Lot of delicate work. Good job!

🖥Craziest socket 7 build on a 430tx chipset
🖥Dual socket 7 build
🖥Tyan S1564S to S1564D single to dual processor conversion

Reply 56 of 68, by Sphere478

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Noticed solder blobs on the pcb near the chip you had to add. May wanna grab those before they wander off.

🖥Craziest socket 7 build on a 430tx chipset
🖥Dual socket 7 build
🖥Tyan S1564S to S1564D single to dual processor conversion

Reply 57 of 68, by wiretap

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Yea that picture was before I cleaned the board just after soldering. Everything cleaned up nicely.

Now to build this into a case.. I have a 3-digit MHz display in a beige case that should suit it well. Any recommendations on an OS? Windows NT4? Some early variant of linux with dual CPU support?

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Reply 59 of 68, by Sphere478

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wiretap wrote on 2021-03-04, 13:07:

Yea that picture was before I cleaned the board just after soldering. Everything cleaned up nicely.

Now to build this into a case.. I have a 3-digit MHz display in a beige case that should suit it well. Any recommendations on an OS? Windows NT4? Some early variant of linux with dual CPU support?

funny you should ask I'm going through the same fun at the moment, try server 2003 standard r2 see if it works. it has gpt support and pressing f5 at startup on it or xp/2k/mce should bring up a menu with mps multiprocessor as a option

as for linux try debian jessie followed by older versions if that doesn't work jessie works on my k6 but not on my dual 233 mmx so wheezy might be the trick. use one of those xlcs xfce whatever desktop environments I for get their exact name but you'll know when you see the options. the other options will be slow.

btw, order 4 128mb sticks from ebay for that thing. there is a set for sale of some hp sticks that are registered and buffered right now

server 2003 didn't work for me it bluescreens after first reboot but windows media center edition and xp sp3 seem to work alright

for storage pickup a promise tx4 300 card I've had great luck with booting to them and great speed from them

if you get the chance, dump the bios and open it in awdbedit if you see a acpi table let me know and we can probably stick windows 7 on that thing I have a Iso file that will work with les than 512mb of ram but you won't need it if you pick up that ram

as for doing things I haven't been able to beat 7 I am constantly using it to rescue the other operating systems on my k6 build 🤣 I wish my dual pentium had acpi cause I'm pretty sure it would run very nicely on it

can't stress enough how impressed I've been with 7 if you have acpi try it.

also, look into pentium pro over drives on ebay you can bump that up to a 333mhz pII I think

check out my signature for the dual socket 7 build

Last edited by Sphere478 on 2021-03-04, 13:58. Edited 3 times in total.

🖥Craziest socket 7 build on a 430tx chipset
🖥Dual socket 7 build
🖥Tyan S1564S to S1564D single to dual processor conversion