18750-1 is a Wistron motherboard used in Dell devices. Enginerys has 7 schematics, 4 boardviews and 8 BIOS dumps for this board, collected from public Telegram channels.
Check that 18750-1 matches the number printed on your PCB, including the revision. Where to find it →
18750-1 schematics
- BOLT-L DIS (18750-1 R4GHW) (A00) Schematics
Full schematic for the BOLT-L discrete-graphics (DIS) board, number 18750-1, revision A00, with R4GHW listed in the name.
Schematic · 18750-1 · 15.5 MB · 15 Mar 2026Schematic pdf15.5 MB - BOLT-L DIS (18750-1 R4GHW) (A00) Schematic (PDF)PKSchematic · 18750-1 · 15.5 MB · 14 Mar 2026Schematic pdf15.5 MB
- BOLT-L DIS (18750-1 R4GHW) (A00) PDF
Schematic for the Bolt-L DIS board, Wistron number 18750-1, with R4GHW and revision A00 noted in the name, provided as PDF in a 15.3 MB RAR archive.
Schematic · 18750-1 · 15.3 MB · 4 Aug 2025Schematic rar15.3 MB - 18750-1 Latitude 3400 3500元件位置图Schematic · 18750-1 · 114 KB · 10 May 2025Schematic pdf114 KB
- AFS BOLT-L DIS (18750-1 R4GHW) (A00) PDF
Wistron schematic for the BOLT-L project, DIS version meaning discrete graphics, board number 18750-1 with R4GHW and A00 tags, in a large 9.59 MB PDF.
Schematic · 18750-1 · 9.59 MB · 23 Feb 2024Schematic pdf9.59 MB - BOLT-L DIS (18750-1 R4GHW) (A00) PDFSchematic · 18750-1 · 15.5 MB · 16 Nov 2022Schematic pdf15.5 MB
- BOLT-L DIS (18750-1 R4GHW) (A00) PDF
Schematic for the Wistron BOLT-L DIS design, board 18750-1, with R4GHW and A00 in the name, A00 most likely marking the release level.
Schematic · 18750-1 · 15.3 MB · 27 Jan 2022Schematic rar15.3 MB
18750-1 boardviews
- BOLT-L DIS (18750-1 R4GHW) (A00) BOARDVIEW(BDV)
Boardview for the BOLT-L platform with discrete graphics (DIS), board 18750-1, file revision A00, with R4GHW noted alongside, likely a Dell-style part code.
Boardview · 18750-1 · 267 KB · 15 Mar 2026Boardview zip267 KB - (18750-1 R4GHW) (A00) BOARDVIEW(BDV)PKBoardview · 18750-1 · 219 KB · 14 Mar 2026Boardview rar219 KB
- BOLT-L DIS (18750-1 R4GHW) (A00) (BDV)Boardview · 18750-1 · 1.86 MB · 16 Nov 2022Boardview cad1.86 MB
- BOLT-L DIS (18750-1 R4GHW) (A00) (BDV)
Boardview for the Wistron BOLT-L DIS board 18750-1, R4GHW, release A00, in a compact 292 KB ZIP.
Boardview · 18750-1 · 292 KB · 27 Jan 2022Boardview zip292 KB
18750-1 BIOS dumps
- DELL Latitude 3400 18750-1 BIOS 100% OKBIOS · 18750-1 · 14.7 MB · 14 Jul 2026BIOS rar14.7 MB
- 18750okgecBIOS · 18750-1 · 16.0 MB · 1 Sept 2025BIOS bin16.0 MB
- W25Q128(8K BIT OTP) 20190912 113133
Raw 16 MB flash dump read from a Winbond W25Q128 chip, with the name noting an 8K bit OTP area and a programmer timestamp from September 2019.
BIOS · 18750-1 · 16.0 MB · 20 Aug 2025BIOS bin16.0 MB - 18750-1 I5-8 BACKUPBIOS · 18750-1 · 16.0 MB · 13 May 2025BIOS bin16.0 MB
- 18750-1 I5-8 BACKUPBIOS · 18750-1 · 16.0 MB · 12 May 2025BIOS bin16.0 MB
- 18750-1 TB OKBIOS · 18750-1 · 16.0 MB · 10 May 2025BIOS bin16.0 MB
- DELL Latitude 3400 18750-1 WORKING BIOS 100%
BIOS dump for the Dell Latitude 3400 with board number 18750-1, which follows Wistron's numbering pattern, so Wistron is the ODM.
BIOS · 18750-1 · 15.1 MB · 17 Oct 2023BIOS rar15.1 MB - DELL LATITUDE 3400 BOLT L DIS 2GB 18750 1 R4GHW$CA WORKING BIOS
Working BIOS dump for the Dell Latitude 3400 built on Wistron board 18750-1, with BOLT_L as the platform name.
BIOS · 18750-1 · 8.85 MB · 15 Aug 2022BIOS rar8.85 MB
Questions about 18750-1
Is there a schematic for 18750-1?
Yes. Enginerys lists 7 schematic files for 18750-1. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 18750-1?
Yes, 4 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 18750-1 board?
18750-1 follows the Wistron numbering scheme (xxxxx-x). It is found in Dell devices.