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- ES1-433 ES1-433G 433G Pegatron EJRDA EJ4DA Rev 2.0BIOS · 8.00 MB · 5 May 2025BIOS bin—8.00 MB
- BIOS ES1 433 ES1 433G 433G Pegatron EJRDA EJ4DA Rev 2 0 telegramBIOS · 4.91 MB · 18 Sept 2025BIOS zip—4.91 MB
- BIOS ES1-433 ES1-433G 433G Pegatron EJRDA EJ4DA Rev 2.0
BIOS firmware package for the Acer Aspire ES1-433 and ES1-433G, built on a Pegatron mainboard marked EJRDA / EJ4DA at revision 2.0.
BIOS · 4.72 MB · 22 Dec 2021BIOS rar—4.72 MB