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- K53SD MAIN REV 2.3 -K53E-SX690 OKBIOS · 4.00 MB · 7 May 2025BIOS rom—4.00 MB
- K53SD MAIN REV 2.3 -K53E-SX690 OK (Luirons Bios)BIOS · 1.50 MB · 22 Feb 2021BIOS rar—1.50 MB
- K53SD MAIN REV 2 3 K53E SX690 OK telegram BIOS Repair 2025 09 16BIOS · 1.66 MB · 23 Sept 2025BIOS zip—1.66 MB
- K53SD MAIN REV 2 1 3 K53E SX690 OK telegram BIOS Repair 2025 09BIOS · 1.66 MB · 23 Sept 2025BIOS zip—1.66 MB
- ASUS K53S SX821 K53SD MAIN BOARD Rev 5 1 IT8572E PCH SLJ4P telegramBIOS · 1.70 MB · 18 Sept 2025BIOS zip—1.70 MB
- K53SD MAIN REV 2.3 -K53E-SX690 OK
Duplicate copy of a working ROM dump for the ASUS K53SD main board, revision 2.3, from a K53E-SX690 laptop, at 4MB.
BIOS · 4.00 MB · 12 Oct 2025BIOS rom—4.00 MB - K53SD MAIN REV 2.3 -K53E-SX690 OK
ROM dump from an ASUS K53SD main board, revision 2.3, noted as taken from a K53E-SX690 unit and marked OK.
BIOS · 4.00 MB · 12 Oct 2025BIOS rom—4.00 MB - K53SD MAIN REV 2.3 -K53E-SX690 OK
BIOS dump for the ASUS K53SD main board, revision 2.3, taken from a K53E-SX690 unit and marked OK, meaning reported as working, packed as a 1.55 MB RAR.
BIOS · 1.55 MB · 27 Feb 2021BIOS rar—1.55 MB - ASUS K53S-SX821 K53SD MAIN BOARD Rev 5.1 IT8572E PCH (SLJ4P)
BIOS firmware for the ASUS K53S-SX821 using the K53SD main board, revision 5.1, with an IT8572E embedded controller and an SLJ4P chipset given in the name.
BIOS · 1.54 MB · 22 Oct 2018BIOS rar—1.54 MB - K53SD MAIN REV 2.3 -K53E-SX690 OK
BIOS dump for the ASUS K53SD main board, revision 2.3, taken from a K53E-SX690 unit and marked as working. The RAR archive is 1.50 MB.
BIOS · 1.50 MB · 10 Sept 2020BIOS rar—1.50 MB - k53sd(rev 5.1)
Main 4 MB BIOS image for the ASUS K53SD, mainboard revision 5.1, a companion to the separate EC firmware for the same board.
BIOS · 4.00 MB · 26 Jan 2017BIOS bin—4.00 MB - k53sd(rev 5.1) ec
64 KB embedded controller firmware for the ASUS K53SD, mainboard revision 5.1. The EC handles power sequencing, charging, keyboard and fan control, so a corrupted EC…
BIOS · 64.0 KB · 26 Jan 2017BIOS bin—64.0 KB - Asus K53SD Rev 2.3
BIOS firmware archive for the ASUS K53SD, main board revision 2.3, compressed as RAR. Only the model and revision are named, so confirm the revision silkscreened on your…
BIOS · 1.41 MB · 22 Oct 2018BIOS rar—1.41 MB - ASUS K53E-K53SD REV 2.3
BIOS firmware for the ASUS K53E and K53SD, which share a mainboard design, referencing board revision 2.3 and supplied as a 1.41 MB RAR.
BIOS · 1.41 MB · 5 Feb 2018BIOS rar—1.41 MB - K53SDF1
Second copy of a K53SDF1 BIOS file, version 208 as shown by the .208 extension, 4MB in size and intended for the ASUS K53SD family.
BIOS · 4.00 MB · 12 Oct 2025BIOS 208—4.00 MB - K53SDF1
ASUS-style BIOS file for the K53SD laptop series, with the .208 extension showing firmware version 208. The 4MB size matches the SPI chip used on these boards.
BIOS · 4.00 MB · 12 Oct 2025BIOS 208—4.00 MB