Siig JJ-P04621-S6 Driver Download (Official)

The JJ-P04621-S6 is a device manufactured by Siig. This version of "CyberPro64_win.exe" is rated (5 out of 5 stars) based on 12 downloads and 4 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista and Windows XP. The total disk space used for this update is 788.5 KB.

4 Ratings

Supported Models


CyberSerial 16C550

CyberSerial 950 16C950

CyberSerial Plus 16C650

PCI Function

SIIG 32-bit PCI bridge

SIIG CyberPro 1S board

SIIG CyberPro 1S1P board



Supported Operating Systems

Windows Vista (64 bit), Windows 2003 (64 bit), Windows XP (64 bit)

File Name


Version (2006-10-31) via .inf

Additional Notes


Quartet Serial 550 PCI Driver File

OS: Windows Vista x64 RC1

Uploaded By

Rexrinaldo (DG Staff Member) on 10-Mar-2007

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
OXPAR.INF 4.6 KB 31 Oct 2006
OXUI.DLL 118.8 KB 2 Nov 2006
OxMEP.sys 5.2 KB 25 Sep 2006
OxMF.sys 18.9 KB 25 Sep 2006
oxmep64.sys 7.2 KB 25 Sep 2006
oxmf64.sys 29.7 KB 25 Sep 2006
oxmfuf.sys 6.0 KB 25 Sep 2006
oxmfuf64.sys 8.2 KB 25 Sep 2006
oxpar64.sys 134.7 KB 25 Sep 2006
oxpar_xp.sys 80.3 KB 25 Sep 2006
oxpci.inf 32.0 KB 31 Oct 2006
oxpci2.inf 11.9 KB 31 Oct 2006
oxser.sys 59.3 KB 25 Sep 2006
oxser64.sys 90.6 KB 25 Sep 2006
oxui64.dll 140.8 KB 2 Nov 2006

How to Update JJ-P04621-S6 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the JJ-P04621-S6 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Siig JJ-P04621-S6 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Siig JJ-P04621-S6. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with Siig. All company names/logos are properties of their owners.
server: web3, load: 0.24