FLASH EEPROM identification help! \ VOGONS

FLASH EEPROM identification help!

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First post, by Doppler

Posted on 2018-02-02, 11:03

Doppler Offline

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Hi!

Can anyone identify this chip? I try to programm it with external USB flasher but can't find any refrence for it in the flash software. Non of these numbers fit to the predefined chip profiles.
The chip is DIP28 pulled straight out of the S3 Virge/GX2 AGP SG200A graphics card.
Heres the photo:

Reply 1 of 8, by Predator99

Posted on 2018-02-02, 11:33

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I would say this is a ROM, Read-only. You can read it as standard i.e. 27C256, but not rewrite it.

Reply 2 of 8, by derSammler

Posted on 2018-02-02, 11:38

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If "SG200A" is also the name of the card, then yes, this is a masked ROM.

Reply 3 of 8, by Auzner

Posted on 2018-02-02, 11:43

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Do people swap these out for EEPROMs to run a different BIOS? What's the advantage for the card?

Reply 4 of 8, by derSammler

Posted on 2018-02-02, 11:49

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Brightness fix, I guess. 😉

Reply 5 of 8, by Doppler

Posted on 2018-02-03, 22:13

Doppler Offline

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derSammler wrote:
Brightness fix, I guess. 😉

yup!

Reply 6 of 8, by Doppler

Posted on 2018-02-06, 07:06

Doppler Offline

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Is it possible to directly replace this ROM with flashable memory? In other words: if I buy and flash a Winbond memory with the S3 BIOS and swap these chips, then will it work?

Reply 7 of 8, by Auzner

Posted on 2018-02-06, 07:23

Auzner Offline

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yes

Reply 8 of 8, by lazibayer

Posted on 2018-02-06, 07:24

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Doppler wrote:
Is it possible to directly replace this ROM with flashable memory? In other words: if I buy and flash a Winbond memory with the S3 BIOS and swap these chips, then will it work?

Highly likely it would work.

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