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Reply 40 of 52, by 9646gt

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I am using an external battery worth a cr2032 holder. The battery is wired to a 4 pin connector that goes to the motherboard. I have 128k of l2 cache installed that is recognized by the BIOS just fine. I would try flashing the old biod but I am not sure if I even still have a copy of the original as mine was bone stock never upgraded.

Reply 41 of 52, by bjwil1991

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I have the original one on my Google Drive: https://drive.google.com/open?id=1P0uAcU2msT9 … yc_vI5QUEmjyb94

Rename it to PB450M.BIN for the phlash program.

Discord: https://discord.gg/U5dJw7x
Systems from the Compaq Portable 1 to FX-8350
Twitch: https://twitch.tv/retropcuser

Reply 43 of 52, by bjwil1991

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That's alright. I also suggest a battery holder for a CR1220/1225 battery to save the additional 10-20 seconds for the system to POST and it's recommended to prevent the system from doing the 1-4-2-1 beep code with the BIOS being a revision or two higher than the old one.

Discord: https://discord.gg/U5dJw7x
Systems from the Compaq Portable 1 to FX-8350
Twitch: https://twitch.tv/retropcuser

Reply 44 of 52, by 9646gt

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bjwil1991 wrote:

That's alright. I also suggest a battery holder for a CR1220/1225 battery to save the additional 10-20 seconds for the system to POST and it's recommended to prevent the system from doing the 1-4-2-1 beep code with the BIOS being a revision or two higher than the old one.

Thank you for that tip sir! I haven't had time to play around with it but I went ahead and ordered the 1225 Battery and holder 😀 Why does the 2032 seem to cause issues with these things? I forgot how picky this old tech can be 🤣. Last time I built Pentium and below systems was a 386sx when I was 10 years old and a Pentium 120 when I was 15 haha.

Reply 45 of 52, by bjwil1991

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The 2032 shouldn't have issues, and it's an OEM thing. My system did the infamous 1-4-2-1 beep code with a 2x AA battery compartment connected to the battery header (4x1) on the board with the version 4.05.07 BIOS. With the battery holder and a 1225 battery in place, I don't get those codes any longer.

Discord: https://discord.gg/U5dJw7x
Systems from the Compaq Portable 1 to FX-8350
Twitch: https://twitch.tv/retropcuser

Reply 47 of 52, by bjwil1991

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Are you using the original BIOS?

Discord: https://discord.gg/U5dJw7x
Systems from the Compaq Portable 1 to FX-8350
Twitch: https://twitch.tv/retropcuser

Reply 48 of 52, by 9646gt

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Using the last official Packard Bell BIOS. I guess I will have to flash back to the original and try the update again. I don't even know ow if it's related to the BIOS update or just coincidence? I don't know ow what could be causing this particular beep code and then go back to functionio100% perfect randomly.

Reply 49 of 52, by bjwil1991

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I think the last official Packard Bell BIOS 4.05.07 was meant for systems with the PCI riser card. That BIOS never worked for me, only the 4.03 BIOS and the Micro Firmware BIOS. I suggest flashing the 4.03 BIOS and then, the Micro Firmware 4.05.10 BIOS.

Discord: https://discord.gg/U5dJw7x
Systems from the Compaq Portable 1 to FX-8350
Twitch: https://twitch.tv/retropcuser

Reply 50 of 52, by 9646gt

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I downloaded the recovery for Packard Bell BIOS and the readme one the file I downloaded gave two different versions of the 4.05.07, one for iSA only systems and one for PCI systems. I'll try and do some tinkering Monday and report back where I end up.