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- K40INASBIOS · 1.00 MB · 6 May 2025BIOS 223—1.00 MB
- K40INAS223BIOS · 568 KB · 11 Jul 2023BIOS zip—568 KB
- K40INAS223BIOS · 568 KB · 29 Mar 2019BIOS zip—568 KB
- k40in 2.2GBIOS · 1.00 MB · 10 May 2025BIOS bin—1.00 MB
- K40IN Rev 2.2G MCP75L IT8502E OkBIOS · 1.00 MB · 6 May 2025BIOS bin—1.00 MB
- Asus K50IN=1=k40in Rev 2.2GBIOS · 569 KB · 15 Dec 2024BIOS zip—569 KB
- K40IN Rev 2.2G MCP75L IT8502E Ok (Luirons Bios)BIOS · 530 KB · 22 Feb 2021BIOS rar—530 KB
- Asus K50IN=1=k40in Rev 2.2G (Luirons Bios)BIOS · 530 KB · 23 Feb 2021BIOS rar—530 KB
- K40IN Rev 2 (1).2G MCP75L IT8502E Ok (Luirons Bios)BIOS · 530 KB · 22 Feb 2021BIOS rar—530 KB
- K40IN Rev 2 2G MCP75L IT8502E Ok telegram BIOS Repair 2025 09 16BIOS · 703 KB · 23 Sept 2025BIOS zip—703 KB
- K40IN Rev 2 1 2G MCP75L IT8502E Ok telegram BIOS Repair 2025 09BIOS · 703 KB · 23 Sept 2025BIOS zip—703 KB
- Asus K50IN=1=k40in Rev 2.2G telegram BIOS Repair-2025-09-16BIOS · 703 KB · 18 Sept 2025BIOS zip—703 KB
- Asus K50IN=1=k40in Rev 2.2G
Zip archive with a BIOS for the ASUS K50IN, which the name links to the K40IN board at revision 2.2G, suggesting shared hardware between the two models.
BIOS · 569 KB · 7 Aug 2019BIOS zip—569 KB - K40IN-AS223
BIOS archive for the K40IN notebook, with AS223 in the name most likely showing version 223. The zip is 568 KB and is intended for this specific K40 variant.
BIOS · 568 KB · 25 Mar 2017BIOS zip—568 KB - K40IN Rev 2.2G MCP75L IT8502E Ok
Firmware archive for the ASUS K40IN, board revision 2.2G, on an NVIDIA MCP75L chipset with an ITE IT8502E embedded controller, marked as working.
BIOS · 529 KB · 22 Feb 2017BIOS rar—529 KB - Asus K50IN=1=k40in Rev 2.2G
ASUS firmware archive for the K50IN, also referencing the K40IN and a board revision 2.2G, in a 569 KB ZIP file.
BIOS · 569 KB · 26 Jan 2017BIOS zip—569 KB