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- FLAH STAR X C99LASER-mostafaBIOS · 4.00 MB · 12 May 2025BIOS bin—4.00 MB
- STAR X C99 V1.09.4372 02082022BIOS · 2.88 MB · 29 Apr 2025BIOS bin—2.88 MB
- STAR X C99 WIFI V1.09.4372 02082022BIOS · 2.88 MB · 29 Apr 2025BIOS bin—2.88 MB
- STAR X C99 Laser V1.09.4372 04082022BIOS · 2.88 MB · 29 Apr 2025BIOS bin—2.88 MB
- STAR-X C99 WIFI 28092016
ZIP archive of firmware for the Star-X C99 WiFi receiver, dated 28 September 2016; WiFi most likely marks the edition with wireless support.
BIOS · 2.81 MB · 16 Dec 2020BIOS zip—2.81 MB - STAR-X C99 Laser 28092016
Software for the Star-X C99 Laser receiver, packed as ZIP and dated 28 September 2016. The name gives no version or flash chip type.
BIOS · 2.81 MB · 16 Dec 2020BIOS zip—2.81 MB - GY552 NM-C991 BOARDVIEW(DV)(.TVW)
Boardview for the Lenovo board GY552 NM-C991, in TVW format inside a 1.40 MB RAR archive.
Boardview · NM-C991 · 1.40 MB · 1 Sept 2025Boardview rar1.40 MB - GY552 NM-C991 PDF
Schematic PDF for the Lenovo GY552 board NM-C991, packed in a 2.21 MB RAR. The NM- numbering belongs to LCFC, the Lenovo ODM, and this set pairs naturally with the…
Schematic · NM-C991 · 2.21 MB · 1 Sept 2025Schematic rar2.21 MB - GY552 NM-C991
Lenovo laptop boardview for board NM-C991 with project code GY552, delivered as a 3.70 MB RAR.
Boardview · NM-C991 · 3.70 MB · 26 Sept 2026Boardview rar3.70 MB - STAR-X99USB encrypt V1.09.14618 20150817
ZIP archive of the Star-X 99 USB encrypted firmware, version V1.09.14618 with a build date of 17 August 2015. The name marks it as the USB edition of the 99 model.
BIOS · 2.63 MB · 16 Dec 2020BIOS zip—2.63 MB