19861-1 is a Wistron motherboard used in Dell devices. Enginerys has 30 BIOS dumps and 2 archives for this board, collected from public Telegram channels.
Check that 19861-1 matches the number printed on your PCB, including the revision. Where to find it →
19861-1 BIOS dumps
- 19861-1 DELL Inspiron 5502 5509 16MB+ 8MB
BIOS archive for Dell Inspiron 5502 and 5509 laptops built on board 19861-1, with the name indicating both a 16MB and an 8MB image inside the RAR.
BIOS · 19861-1 · 13.4 MB · 25 Jul 2026BIOS rar13.4 MB - WIN32
Generic-named 16 MB BIOS binary, linked through its index data to Wistron board 19861-1, though the file name itself carries no model or version details.
BIOS · 19861-1 · 16.0 MB · 25 Jul 2026BIOS bin16.0 MB - BIOS 19861-1 ktkhpsja MKB N TGL 8L MB OKBIOS · 19861-1 · 9.08 MB · 7 Jul 2026BIOS rar9.08 MB
- SM BIOS Dell Inspiron 5402 5409 5502 5509 and Vostro 5402 5502 19861
Firmware for the Dell Inspiron 5402, 5409, 5502, 5509 and Vostro 5402 and 5502, covering Wistron board 19861-1, packed into a 9.91 MB RAR.
BIOS · 19861-1 · 9.91 MB · 30 Apr 2026BIOS rar9.91 MB - 19861-1 16MBIOS · 19861-1 · 16.0 MB · 2 Mar 2026BIOS bin16.0 MB
- 19861-1 8MBIOS · 19861-1 · 8.00 MB · 2 Mar 2026BIOS bin8.00 MB
- 19861-1 backup 16mb
BIOS backup for the Wistron board 19861-1 at 16 MB, with the capacity written in the name.
BIOS · 19861-1 · 16.0 MB · 19 Feb 2026BIOS bin16.0 MB - 19861-1 8mb backup vvv
8 MB BIOS backup for Wistron board 19861-1; the extra vvv token in the name carries no clear meaning.
BIOS · 19861-1 · 8.00 MB · 19 Feb 2026BIOS bin8.00 MB - 19861-1BIOS · 19861-1 · 22.4 MB · 16 Feb 2026BIOS rar22.4 MB
- 19861-1 ON OFF BACKUPBIOS · 19861-1 · 16.0 MB · 16 Feb 2026BIOS bin16.0 MB
- 19861-1 8MB ON OFF BACKUPBIOS · 19861-1 · 8.00 MB · 16 Feb 2026BIOS bin8.00 MB
- MKB N TGL 8L MB 19861-1 telegram BIOS Repair-2025-09-16BIOS · 19861-1 · 22.7 MB · 24 Sept 2025BIOS zip22.7 MB
- MKB N TGL 8L MB 19861-1 8MB & 16MB
BIOS package for the Wistron board 19861-1, labelled MKB N TGL 8L, holding images for 8 MB and 16 MB chips in a ZIP.
BIOS · 19861-1 · 12.5 MB · 31 May 2025BIOS zip12.5 MB - 19861-1 OK 2ND FILEBIOS · 19861-1 · 16.0 MB · 12 May 2025BIOS bin16.0 MB
- 19861-1 16MBIOS · 19861-1 · 16.0 MB · 12 May 2025BIOS bin16.0 MB
- 19861-1 OK 1ST FILEBIOS · 19861-1 · 8.00 MB · 10 May 2025BIOS bin8.00 MB
- 19861-1 OK 2ND FILEBIOS · 19861-1 · 16.0 MB · 10 May 2025BIOS bin16.0 MB
- 19861-1 16MBIOS · 19861-1 · 16.0 MB · 9 May 2025BIOS bin16.0 MB
- 19861-1 8MBIOS · 19861-1 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- 19861-1 (8MB)BIOS · 19861-1 · 8.00 MB · 7 May 2025BIOS bin8.00 MB
- 19861-1 8M
Raw 8 MB BIOS image for a Wistron-made motherboard with board number 19861-1; no laptop brand or model is given in the name.
BIOS · 19861-1 · 8.00 MB · 22 Apr 2025BIOS bin8.00 MB - 19861-1 16M
Raw 16 MB BIOS dump for the Wistron board 19861-1, with no brand or model identified in the name.
BIOS · 19861-1 · 16.0 MB · 22 Apr 2025BIOS bin16.0 MB - 19861-1 8MBIOS · 19861-1 · 8.00 MB · 21 Apr 2025BIOS bin8.00 MB
- 19861-1 16MBIOS · 19861-1 · 16.0 MB · 21 Apr 2025BIOS bin16.0 MB
- dell 19861-1 OK
RAR archive holding a BIOS dump for a Dell board numbered 19861-1, a Wistron-style designation, marked OK in the name.
BIOS · 19861-1 · 8.64 MB · 23 Dec 2024BIOS rar8.64 MB - Dell Inspiron 5402 5409 MKB N TGL 8L MB 19861 1 KTKHP$CA i5 11THBIOS · 19861-1 · 10.0 MB · 23 Oct 2023BIOS rar10.0 MB
- DELL 5502 19861 1 MKB N TGL 8L MB i5 11th 8MB &16MB WORKING BIOS
Working BIOS for a Dell 5502 with an 11th-gen Core i5 on Wistron board 19861-1, with MKB, N, TGL (Tiger Lake) and 8L MB in the name.
BIOS · 19861-1 · 12.6 MB · 27 Mar 2023BIOS rar12.6 MB - DELL 5402 5502 MKBN TGL 8L MB 19861 1 KTKHP$JA 16MB & 8MB WORKING
Dell Inspiron 5402 and 5502 BIOS archive for the Wistron-made MKBN Tiger Lake board, number 19861-1, marked as working.
BIOS · 19861-1 · 15.2 MB · 23 Mar 2023BIOS rar15.2 MB - Dell inspiron 5509 MKB N TGL 8L MB 19861 1 KTKHP$JA OK TESTED BIOSBIOS · 19861-1 · 8.65 MB · 21 Oct 2022BIOS rar8.65 MB
- MKB N TGL 8L MB 19861-1
Firmware package tied to Wistron board number 19861-1, labelled MKB N TGL 8L MB. TGL most likely refers to the Intel Tiger Lake platform and 8L to an eight-layer…
BIOS · 19861-1 · 19.3 MB · 23 Aug 2021BIOS rar19.3 MB
19861-1 archives
- MKB N TGL 8L MB 19861-1
Archive for a board with Wistron number 19861-1, labelled MKB N TGL 8L MB, where TGL likely refers to Intel Tiger Lake and 8L to an eight-layer PCB.
Archive · 19861-1 · 27.9 MB · 30 Jan 2026Archive rar27.9 MB - MKB N TGL 8L MB 19861-1Archive · 19861-1 · 19.2 MB · 20 Apr 2022Archive rar19.2 MB
Questions about 19861-1
Is there a schematic for 19861-1?
No standalone schematic PDF has been indexed for 19861-1 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 19861-1?
No boardview has been indexed for 19861-1 yet.
Who makes the 19861-1 board?
19861-1 follows the Wistron numbering scheme (xxxxx-x). It is found in Dell devices.