Sony boardLaptop mainboardUpdated 2026-09-15
  1. Home
  2. Brands
  3. Sony
  4. MBX-190

MBX-190 schematic & BIOS

Sony board used in Sony VAIO VGN-SR55E, Sony VGN-SR51 M754H, Sony VGN-SR55E M750. Sony VAIO VGN-SR55E Sony VGN-SR51 M754H Sony VGN-SR55E M750

Files for MBX-190 (5)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .rar SONY VAIO VGN-SR55E SCHEMATIC, M750 MBX-190.rar — 878 KB Telegram —
Schematic .pdf Sony Vaio VGN-SR55E schematic, M750 MBX-190.pdf — 1.6 MB Telegram #1
BIOS .bin M754H MBX-190 REV ;1.0 BIOS OK(PK).bin 1.0 2.0 MB Telegram —
BIOS .zip SONY VGN-SR51(M754H MBX-190 rev.1.0)-R4090Y1.bin.zip 1.0 989 KB Telegram #1
BIOS .zip VGN-SR51(M754H MBX-190 rev.1.0)-R4090Y1.bin.zip 1.0 989 KB Telegram #1

Files are not hosted here: each link opens the original public Telegram post. “Preview” loads that post on this page. Wrong file or a broken link? Tell us. Rights holder? Request removal.

Models using this board

Model names are taken from the file names as published; always confirm the board number printed on your PCB.