PX-475 1 port RS-232 + LPT card (LPT port) Driver 4.6.40.0
by Brainboxes Ltd.8.1864-bit32-bitSHA-256 verified
- Manufacturer
- Brainboxes Ltd.
- Device
- PX-475 1 port RS-232 + LPT card (LPT port)
- Driver version
4.6.40.0- Release date
- February 21, 2014
- Supported Windows
- Windows 8.1, Windows 8
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 1.9 MB
- File name
20633213_97ba616d2c556a4074339d79c0157ec8ac070b05.cab- INF version
02/21/2014, 4.6.40.0- INF provider
- Brainboxes Limited
- Device class
- MultiPortSerial
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
4b5cbfa03c3b70039527d29dc96bee0f84e56722d661fc64af29267c753f75df
Supported hardware IDs (29)
- PCI\VEN_9710&DEV_9901
- PCI\VEN_135A&DEV_400B&SUBSYS_400B135A
- PCI\VEN_135A&DEV_400C&SUBSYS_400C135A
- PCI\VEN_135A&DEV_400E&SUBSYS_400E135A
- PCI\VEN_135A&DEV_400F&SUBSYS_400F135A
- PCI\VEN_135A&DEV_4010&SUBSYS_4010135A
- PCI\VEN_135A&DEV_4011&SUBSYS_4011135A
- PCI\VEN_135A&DEV_4012&SUBSYS_4012135A
- PCI\VEN_135A&DEV_4013&SUBSYS_4013135A
- PCI\VEN_135A&DEV_4014&SUBSYS_4014135A
- PCI\VEN_135A&DEV_4015&SUBSYS_4015135A
- PCI\VEN_135A&DEV_4016&SUBSYS_4016135A
- PCI\VEN_135A&DEV_4017&SUBSYS_4017135A
- PCI\VEN_135A&DEV_4018&SUBSYS_4018135A
- PCI\VEN_135A&DEV_4019&SUBSYS_4019135A
- PCI\VEN_135A&DEV_401A&SUBSYS_401A135A
- PCI\VEN_135A&DEV_401B&SUBSYS_401B135A
- PCI\VEN_135A&DEV_401D&SUBSYS_401D135A
- PCI\VEN_135A&DEV_401E&SUBSYS_401E135A
- PCI\VEN_135A&DEV_400A&SUBSYS_400A135A
- PCI\VEN_135A&DEV_4021&SUBSYS_4021135A
- PCI\VEN_135A&DEV_4023&SUBSYS_4023135A
- PCI\VEN_135A&DEV_4024&SUBSYS_4024135A
- PCI\VEN_135A&DEV_4025&SUBSYS_4025135A
- PCI\VEN_135A&DEV_4026&SUBSYS_4026135A
- PCI\VEN_1415&DEV_C11B
- PCI\VEN_1415&DEV_C15D
- PCI\VEN_1415&DEV_C208
- PCI\VEN_135A&DEV_401F&SUBSYS_401F135A
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 8.1, Windows 8) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).