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- x1 extremBIOS · 16.0 MB · 10 Dec 2025BIOS bin—16.0 MB
- x1 extreme g5 bkupBIOS · 32.0 MB · 5 Oct 2026BIOS bin—32.0 MB
- SR-X1 EXTREME V3.5.7 13112026BIOS · 650 MB · 14 Nov 2026BIOS bin—650 MB
- SR-X1 EXTREME V3.5.6 15092026BIOS · 659 MB · 1 Oct 2026BIOS bin—659 MB
- 213031-1 bkup x1 extreme g5BIOS · 213031-1 · 32.0 MB · 22 Sept 2026BIOS bin32.0 MB
- LEP CleanME CleanME16 x1 extreme g5 bkupBIOS · 13.5 MB · 6 Oct 2026BIOS rar—13.5 MB
- 213031-1 bkup x1 extreme g5 CLSBIOS · 213031-1 · 16.1 MB · 26 Sept 2026BIOS zip16.1 MB
- LENOVO THINKPAD X1 EXTREME 17870-1 16MBBIOS · 17870-1 · 16.0 MB · 5 May 2025BIOS rom16.0 MB
- LENOVO THINKPAD X1 EXTREME 17870 1 32MB telegram BIOS Repair 2025BIOS · 9.36 MB · 24 Sept 2025BIOS zip—9.36 MB
- LENOVO THINKPAD X1 EXTREME 17870 1 16MB telegram BIOS Repair 2025BIOS · 7.30 MB · 24 Sept 2025BIOS zip—7.30 MB
- ThinkPad P1 Gen 3 Types 20TH, 20TJ, X1 Extreme Gen 3 Types 20TKBIOS · 19770-1 · 32.0 MB · 21 Sept 2024BIOS bin32.0 MB
- LENOVO THINKPAD X1 EXTREME 17870-1 16MB
BIOS image for the Lenovo ThinkPad X1 Extreme on board 17870-1, labelled for a 16 MB flash chip, inside a 6.93 MB RAR archive.
BIOS · 17870-1 · 6.93 MB · 15 Jan 2024BIOS rar6.93 MB - LENOVO THINKPAD X1 EXTREME 17870-1 32MB
Lenovo ThinkPad X1 Extreme firmware for Wistron board 17870-1, labelled 32 MB, distributed as a 9.23 MB ZIP archive.
BIOS · 17870-1 · 9.23 MB · 15 Jan 2024BIOS zip9.23 MB