Issues with Asus Cubx-e Tualatin 1.4 post \ VOGONS

Issues with Asus Cubx-e Tualatin 1.4 post

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First post, by mheyman

Posted on 2020-02-14, 02:38

mheyman Offline

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So I finished setting up a retro build I'm working on, hit the power button annnnnd... nothing...

CPU: Intel Pentium III Tualatin 1.4Ghz modded
Motherboard: Asus Cubx-e Rev. 1.01 (came with some capacitors that needed to be soldered back on, which I did)
RAM: 2x 256MB SDRAM PC100
GPU: ATI Radeon 9700 Pro 128MB
Sound Card: Sound Blaster AWE64
Hard Drive: ADATA SU655 120GB NAND 2.5 inch SATA III SSD

When I power up, the fans spin on the cpu and the gpu and the led on the mobo lights up. Other than that nothing else works. I have a feeling that the graphics card I'm using isn't compatible with this board? I tried using the Jumperless setting and switching all the dips to off. Still no luck, any thoughts? There's a chance my soldering of the caps didn't go well but I'm pretty confident those should be fine.

Last edited by Stiletto on 2020-02-14, 06:28. Edited 1 time in total.

Reply 1 of 4, by The Serpent Rider

Posted on 2020-02-14, 02:46

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You need modded BIOS. Also try to start it with 66 Mhz FSB settings. Tualatin 1.4 Ghz is a bit heavy for VRM, especially with old capacitors.

Last edited by The Serpent Rider on 2020-02-14, 06:39. Edited 1 time in total.

I must be some kind of standard: the anonymous gangbanger of the 21st century.

Reply 2 of 4, by mheyman

Posted on 2020-02-14, 03:21

mheyman Offline

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Hey thanks for the reply! Are you saying that without the modded bios I'll see nothing on the screen at all?

And to also confirm, should I be setting the dipswitches on the motherboard to these settings? :
CPU/DRAM -> 66mhz
PCI bus -> 33.4mhz

And I guess a final question is, I found a modded bios here: http://www.geocities.ws/tuacubx/. And some more recent ones here: Modified BIOSes for ASUS P3B-F, P3V4X, P3V133, CUBX, CUBX-E/L and P3C-E but I've never flashed a bios. Do i need floppy discs / floppy disc drive to do it? Are there any good guides for flashing old motherboards?

Reply 3 of 4, by Horun

Posted on 2020-02-14, 06:13

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If you can get the new BIOS file and flasher util to your HD that is better than flashing from a floppy. As far as the actual bios file and setting I do not know.
Did you breadboard test the motherboard with a lessor cpu after fixing the caps and before building the system ?

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 4 of 4, by mheyman

Posted on 2020-02-14, 06:31

mheyman Offline

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Might pick up something cheap like a Intel Pentium III SL5QV to do just that. If that doesn't work I'll also try some other gpus. Also considering doing a full recap of the board if all else fails.

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