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- acer exenca 4620 from raju okBIOS · 1.00 MB · 1 Oct 2020BIOS bin—1.00 MB
- ACER EXTENSA 4620 - WISTRON BIWA - SCArchive · 1.60 MB · 28 Sept 2019Archive rar—1.60 MB
- Acer Extensa 4220 4620 - WISTRON BIWABIOS · 1.77 MB · 7 Aug 2019BIOS rar—1.77 MB
- Acer Extensa 4620 - WISTRON Biwa - SCSchematic · 1.38 MB · 12 Jul 2019Schematic pdf—1.38 MB
- ACER EXTENSA 4220 4620 WISTRON BIWASchematic · 37.9 KB · 12 Jul 2019Schematic pdf—37.9 KB
- Acer Extensa 4220 4620 WISTRON BIWASchematic · 2.38 MB · 28 Apr 2025Schematic pdf—2.38 MB
- Acer Extensa 4620 - WISTRON Biwa - SCSchematic · 1.67 MB · 17 Sept 2021Schematic pdf—1.67 MB
- ACER TM4720 4320 4220 4620 BIWA -2 06237Schematic · 1.22 MB · 16 Mar 2022Schematic pdf—1.22 MB
- Acer Extensa 4620 4220 Wistron Biwa Rev-2Schematic · 1.66 MB · 12 Jul 2019Schematic pdf—1.66 MB
- Acer Extensa 4620 4220 (Wistron Biwa) laptop schematicsSchematic · 1.67 MB · 12 Jul 2019Schematic pdf—1.67 MB
- Acer Extensa 4220 4620 - WISTRON BIWA - REV -2SecSchematic · 2.38 MB · 12 Jul 2019Schematic pdf—2.38 MB
- Acer Extensa 4220 4620 - WISTRON BIWA - POWER SEQUENCESchematic · 37.9 KB · 12 Jul 2019Schematic pdf—37.9 KB
- Acer Extensa 4220 4620 - WISTRON BIWA - LED BOARDSchematic · 20.4 KB · 12 Jul 2019Schematic pdf—20.4 KB
- ACER EXTENSA 4620 WISTRON BIWA SC SEGREDOSDOSNOTEBOOKS COM BRSchematic · 1.67 MB · 7 Sept 2023Schematic pdf—1.67 MB
- ACER EXTENSA 4620 4220 WISTRON BIWA LAPTOP SCHEMATICS SEGREDOSDOSNOTEBOOKSSchematic · 1.67 MB · 7 Sept 2023Schematic pdf—1.67 MB
- ACER EXTENSA 4220 4620 WISTRON BIWA POWER SEQUENCE REV SASchematic · 37.9 KB · 10 May 2025Schematic pdf—37.9 KB
- ACER EXTENSA 4220 4620 - WISTRON BIWA - LED BOARD REV SASchematic · 20.4 KB · 12 Jul 2019Schematic pdf—20.4 KB
- BIWA 06237-2 0301 R-2 Acer Extensa 4220 4320 4620 4720Schematic · 06237-2 · 1.19 MB · 16 Mar 2022Schematic pdf1.19 MB
- vinafix com BIWA 06237 2 0301 R 2 Acer Extensa 4220 4320 4620 4720Schematic · 1.19 MB · 28 Jul 2021Schematic pdf—1.19 MB
- extensa 4620BIOS · 1.00 MB · 24 Jul 2026BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 13 Jul 2025BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 29 Apr 2025BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 25 Sept 2023BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 22 Sept 2023BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 21 Apr 2022BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 27 Oct 2021BIOS bin—1.00 MB
- extensa 4620BIOS · 1.00 MB · 16 Jun 2020BIOS bin—1.00 MB
- Travelmate 4720 4320 extensa 4620 4220(biwa)Schematic · 13.8 MB · 12 Jul 2019Schematic pdf—13.8 MB
- Travelmate 4720 4320 extensa 4620 4220(biwa) SRGinfotechSchematic · 13.8 MB · 5 May 2025Schematic pdf—13.8 MB
- 4620 acer
Raw BIOS dump labelled only 4620 and acer, most likely for an Acer model with the 4620 number, though the name gives no board number or revision.
BIOS · 1.00 MB · 21 Sept 2025BIOS bin—1.00 MB - acer extensa 4620m(ms2204)intel1
BIOS firmware for the Acer Extensa 4620 with board code MS2204, Intel version 1.81, with the extension apparently cut off from a longer name.
BIOS · 1.00 MB · 21 Sept 2025BIOS 81m53—1.00 MB - acer extensa 4620
Raw BIOS image for the Acer Extensa 4620, 1.00 MB, matching an 8 Mbit SPI flash chip. The name gives no board number or version, so compare the PCB markings with your…
BIOS · 1.00 MB · 21 Sept 2025BIOS bin—1.00 MB - acer 4620 ok bin
Acer 4620 BIOS binary of 1.00 MB, marked ok in the name, which suggests the uploader found it to work, although no further test details are given.
BIOS · 1.00 MB · 23 Oct 2021BIOS bin—1.00 MB - acer extensa 4620 tested
Tested BIOS image for the Acer Extensa 4620 laptop, provided as a 1.00 MB raw binary suited to an 8 Mbit SPI flash.
BIOS · 1.00 MB · 23 Oct 2021BIOS bin—1.00 MB - acer exenca 4620 from raju ok
BIOS binary for the Acer Extensa 4620, marked ok in the name, which indicates it was reported as working; the model is misspelled exenca and Raju appears to be a source…
BIOS · 1.00 MB · 23 Oct 2021BIOS bin—1.00 MB - acer4620z
BIOS binary for the Acer Aspire 4620Z, 1.00 MB in size, which matches an 8 Mbit SPI flash chip.
BIOS · 1.00 MB · 21 Sept 2025BIOS bin—1.00 MB - acer4620z 2
Firmware image for the Acer Aspire 4620Z, marked as a second copy, with a raw size of 1.00 MB that fits an 8 Mbit SPI flash chip.
BIOS · 1.00 MB · 21 Sept 2025BIOS bin—1.00 MB