Lenovo B590 (Wistron LA58 MB 11273-3 48.4TE05.031; Intel B960 SR07V, N13M-GE1-S-A1, BD82HM77 SLJ8C)
BIOS version: H5ET73WW (v1.16)
EC version H5EC33WW (v1.13)
LA48 LA480 MB 11273 RSD 0106 LENOVO B580
BIOS version: H5ET73WW (v1.16)
EC version H5EC33WW (v1.13)
LA48 LA480 MB 11273 RSD 0106 LENOVO B580
About this board
Files for the Lenovo B590 LA58 motherboard, board number 11273-3 / 48.4TE05.031.
Lenovo had this board built by Wistron; Wistron board numbers are 5–6 digits plus a revision. Check the number printed on the PCB before you download.
What this thread covers
- BIOS (full SPI chip dump, .bin)
- Schematic (PDF)
Usually needed when the laptop powers on with a black screen after a BIOS update, is stuck in a boot loop, or is locked with a BIOS password.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
If you have a working file for this board, please share it below. More files: search 11273-3 in File Finder.
Attachments
Lenovo B590_LA58 MB 11273-3 48.4TE05.031 1.16.rar
3.3 MB · Views: 19
3.3 MB · Views: 19
LA48 LA480 MB 11273 RSD 0106 LENOVO B580 Schematic.pdf
5.1 MB · Views: 16
5.1 MB · Views: 16
