Asustek P/I P55SP4 BIOS needed [Done] [Fixed] \ VOGONS

Asustek P/I P55SP4 BIOS needed [Done] [Fixed]

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First post, by mirra

Posted on 2017-11-14, 10:43

mirra Offline

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Rank: Newbie
Posts: 2
Joined: 2017-11-14, 10:36

Hello ladies and gentlemen,

I have serious problem. Please, I need your help.
My BIOS died.

1I Have Asustek P/I P55SP4 rev. 1.4
2award 4.50G bios
3#401a0-0301
4with pentium-S 150MHz
564MB RAM
6Cache memory 256KB

In Bios it showed

1ROM PCI/ISA BIOS (PI-55SP4)

Now when I turn it on it shows:

1Award BootBlock Bios v1.0
2Copyright (c) 1995, Award Software Inc.
3BIOS ROM checksum error
4Detecting floppy drive A media...
5INSERT SYSTEM DISK AND PRESS ENTER

...well and my problem is that I don't have bios for it and even on asus support there is no bioses for this motherboard. Only for Asus P/I P55SP4V which has in default different cache and 512KB cache which could be really bad if I flash this bios.

You are my last hope hot to revive this motherboard. please, does somebody here have Bios for P/I P55SP4?
here is list of all P55 motherboards on asus:
https://www.asus.com/tw/search/results.aspx?S … rt=False&Page=1

And here is what it finds when I put there P/I P55SP4:
https://www.asus.com/cz/search/results.aspx?S … &IsSupport=True

Any help will be appreciated.

EDIT: Guys, i have found something here:
https://www.asus.com/ru/supportonly/P55SP4/He … pDesk_Download/

What if I put PCI/I P55SP4 to P/I P55SP4 motherboard?

Last edited by mirra on 2017-11-14, 21:16. Edited 1 time in total.

Reply 1 of 4, by bjwil1991

Posted on 2017-11-14, 13:45

bjwil1991 Offline

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Posts: 4021
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Location: SE, MI USA

I would use the BIOS that originally came with, and have fresh BIOS chips handy if the chip fails again. Welcome to Vogons.

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Systems from the Compaq Portable 1 to Ryzen 9 5950X
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Reply 2 of 4, by lazibayer

Posted on 2017-11-14, 16:06

lazibayer Offline

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Rank: Oldbie
Posts: 1065
Joined: 2014-10-21, 21:16

What did you do that messed up your BIOS? If you did nothing, a clear CMOS might help.
Anyway, hope this link helps https://driversfirmware.com/os-others-p55sp4- … V3OA-idd-SkyHT9

Reply 3 of 4, by Predator99

Posted on 2017-11-14, 16:28

Predator99 Offline

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Posts: 2041
Joined: 2016-12-28, 19:09

You can try any BIOS without the risk of damaging something. It works or it doesnt. Maybe some featureas are missing or not working.

Have the same problem here
Shuttle HOT 555 VER 1.41 BIOS

This Award Bootblock BIOS is quite intersting. It provides Basic functions to initialize the Board and boot from floppy. I also managed to get a network drive running. Only 2000h bytes of Code required at the end of the Image and many text strings are included.
Anybody more information about it? Would be very interesting to make it compatible for other boards. Will try to disassemble when I have some time...

Reply 4 of 4, by mirra

Posted on 2017-11-14, 21:15

mirra Offline

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Rank: Newbie
Posts: 2
Joined: 2017-11-14, 10:36

Hi Guys,

I just fixed the motherboard using Uniflash.

Here is my tutorial I just writed for. You can use it and share it as you want.

https://translate.google.com/translate?sl=aut … t-text=&act=url

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