SCH

DELL 3020 Wistron DIH81R_Tigris SFF 12125-1M PDF.pdf

Schematic for Dell DIH81R / 12125-1M · board 12125-1 · 3.0 MB · shared in 3 Telegram posts.

TXTAbout DELL 3020 Wistron DIH81R Tigris SFF 12125-1M PDF schematic

DELL 3020 Wistron DIH81R Tigris SFF 12125-1M PDF is a free Dell DIH81R / 12125-1M motherboard schematic diagram for board 12125-1. The PDF file is 3.0 MB. It was first posted on 26 Jul 2023 and is available in 3 Telegram channels.

The 12125-1 schematic shows the complete circuit of the motherboard: the always-on 3VALW / 5VALW rails, the battery charger, CPU core and memory power, USB, display, audio and the BIOS/EC section. Use it to trace no-power, no-display, short-circuit and not-charging faults on Dell boards.

For the same board you can also find BIOS dumps — see all 12125-1 files.

Type
Schematics
Format
.pdf · PDF schematic
Size
3.0 MB
Brand
Dell
Board number
12125-1
Model
DIH81R, 12125-1M
First posted
26 Jul 2023
Last posted
11 Sept 2025
Sources
3

Tags

MSGFrom the Telegram post

DELL 3020 Wistron DIH81R Tigris SFF 12125-1M Schematic

J1Download 12125-1 schematic from Telegram

R1How to download DELL 3020 Wistron DIH81R Tigris SFF 12125-1M PDF

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file DELL 3020 Wistron DIH81R_Tigris SFF 12125-1M PDF.pdf to download it.
  3. Open it with Any PDF reader or SumatraPDF.

If a post was deleted, try another source above or search for 12125-1. Step-by-step help: downloading from Telegram.

.PDFWhat is a .pdf file and how to open it?

PDF schematic. A circuit diagram of the motherboard, page by page.

Open with:

  • Any PDF reader
  • SumatraPDF
  • Your web browser

Tip: Press Ctrl+F and search for a part (PU1, PQ3) or a net name (+3VALW, PWR_EN) to jump straight to it.