18789-1 is a Wistron motherboard used in Dell devices. Enginerys has 4 boardviews and 7 BIOS dumps for this board, collected from public Telegram channels.
Check that 18789-1 matches the number printed on your PCB, including the revision. Where to find it →
18789-1 boardviews
- WISTRON BOLT 1SP UMA 18789-1 BOARDVIEW
Boardview for the Wistron Bolt project, board number 18789-1, single-sided (1SP) UMA version, meaning integrated graphics without a discrete GPU.
Boardview · 18789-1 · 225 KB · 2 Sept 2026Boardview zip225 KB - WISTRON BOLT 1SP UMA 18789-1 BOARDVIEW(BDV)PKBoardview · 18789-1 · 186 KB · 2 Sept 2026Boardview rar186 KB
- WISTRON BOLT 1SP UMA 18789-1 BRDBoardview · 18789-1 · 2.62 MB · 13 Mar 2026Boardview cad2.62 MB
- Dell inspiron 5584 Bolt 1SP UMA 18789 1 EXLUSIVE SCHEMATIC & BOARDVIEWBoardview · 18789-1 · 8.37 MB · 21 Oct 2022Boardview rar8.37 MB
18789-1 BIOS dumps
- Inspiron 15 5584 Bolt 1SP UMA 18789-1 PJ4MJ$CA BIOS OKBIOS · 18789-1 · 7.63 MB · 2 Sept 2026BIOS rar7.63 MB
- Dell inspiron 15 5584 Bolt 1SP UMA 18789 1 CLN OK TESTED TPM FIXBIOS · 18789-1 · 7.12 MB · 19 Jul 2025BIOS rar7.12 MB
- Inspiron 15 5584 Bolt 1SP UMA 18789-1 PJ4MJ$CABIOS · 18789-1 · 16.0 MB · 12 May 2025BIOS bin16.0 MB
- Inspiron 15 5584 Bolt 1SP UMA 18789-1 PJ4MJ$CABIOS · 18789-1 · 16.0 MB · 6 May 2025BIOS bin16.0 MB
- Dell inspiron 15 5584 Bolt 1SP UMA 18789 1 PJ4MJ$CA D CLN OK TESTEDBIOS · 18789-1 · 7.44 MB · 19 Oct 2022BIOS rar7.44 MB
- Inspiron 15 5584 Bolt 1SP UMA 18789-1 PJ4MJ$CA
Firmware dump for the Dell Inspiron 15 5584, built on the Wistron board 18789-1 that is code-named Bolt.
BIOS · 18789-1 · 7.74 MB · 8 Dec 2021BIOS rar7.74 MB - DELL 5584 BOLT ISP UMA 18789-1 PJ4MJ$JA W25Q128BV
BIOS image for the Dell Inspiron 5584, Wistron mainboard 18789-1 (Bolt), in its UMA integrated-graphics version and tagged PJ4MJ$JA.
BIOS · 18789-1 · 6.95 MB · 8 Dec 2021BIOS rar6.95 MB
Questions about 18789-1
Is there a schematic for 18789-1?
No standalone schematic PDF has been indexed for 18789-1 yet. Check the archives listed on this page — schematics are often packed together with the boardview — or search again later, as the index is updated daily.
Is there a boardview for 18789-1?
Yes, 4 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 18789-1 board?
18789-1 follows the Wistron numbering scheme (xxxxx-x). It is found in Dell devices.