About this board
Latitude 5521 BROADMOOR 15 UMA 203040 — motherboard 203040-1.
Dell 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.
From the title: integrated (UMA) graphics.
Files usually needed for this board
- BIOS (full SPI chip dump, .bin)
- EC / KBC firmware, if the board uses a separate EC chip
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
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 203040-1 in File Finder.
Attachments
Sensor.pdf
391.7 KB · Views: 14
391.7 KB · Views: 14
LED.pdf
436 KB · Views: 17
436 KB · Views: 17
203593 LED.pdf
414.7 KB · Views: 25
414.7 KB · Views: 25
203591 LED.pdf
414.8 KB · Views: 25
414.8 KB · Views: 25
USH.pdf
590 KB · Views: 19
590 KB · Views: 19
Wistron BROADMOOR 15 UMA - 203040 Schematic.pdf
6.8 MB · Views: 24
6.8 MB · Views: 24
203040 203040-1.rar
11.5 MB · Views: 26
11.5 MB · Views: 26
