Question about Keyspan SX Pro (SX-PRO4) Serial Adapter

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Can't set up to use.

Bought this and installed in my G4 733 DA to interface with my HP6MP laser printer. Using OS10.3.9. I downloaded the HP OSX driver but the "puter doesn't regonize the printer and will not install. Now I read that the SX-4 works with OS8 ? I was told it would work with OS9.2 and OSX. Have I been led down the primrose path? RHB

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Re: Can't set up to use.

Do you have any other devices operating on serial ports that you could switch to the ports on the G4 733 DA card? If you swap those, and the printer still doesn't work, we can rule out the serial card as the problem. If you swap those, and the printer works but whatever you swap to the card doesn't, we'll know it's the card that's the problem. Otherwise I have to try troubleshooting both, not knowing which is causing the issue - and that's much more complicated.

Posted on Oct 03, 2007

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Re: Can't set up to use.

This should work with OS 8.1 or greater, as long as your slot is 5v and not 3.3v but there are serial printer port driver issues, but nothing other than the usual, see below

Posted on Oct 03, 2007

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have you installed drivers for the card, as windows might know what it is but it wont be able to use it till the drivers are installed click below onto what version of windows you have and download the drivers

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1 Answer name is Cameron Griffith, Jacksonville Florida. My friend accidently plugged my firewire cable upside down the other day; as a result, I was forced to purchase a new one. I bought a DX-FC103...

usually this can be achieved by going into device manager and totally removing/uninstalling ALL Firewire, then reboot, without Firewire connected, after at desktop, do not plug in your Firewire device, Then install any drivers programs to do with Firewire, and then reboot NOW, plug in your Firewire device, it may ask for drivers again,if so point it to where they are, reboot at finish, next time at desktop you should be OK.

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Windows vista is not included in product min OS requirements technical details. That may be the problem.
Product Features
  • HP DC195A Serial/Parallel Multi I/O PCI Card General Features: Serial/Parallel adapter PCI interface
  • Easy to install Fast transfer rate (430 Kbps) Connectors: One (1) Serial port (9-pin D-Sub DB-9)
  • One (1) Parallel port (25-pin D-Sub DB-25) Regulatory Approvals: FCC CE
Technical Details
  • Model: DC195A
  • Item Package Quantity: 1
  • Hardware Platform: PC
  • networking_feature: Parallel/serial adapter
  • form_factor: Plug-in card
  • Network Interface Description: PCI
  • Connectivity Technology: Wired
  • Data Link Protocol: Parallel, RS-232
  • Minimum system requirements: Microsoft Windows NT, Microsoft Windows XP Home Edition, Microsoft Windows 2000 / XP Professional
  • Depth: 4.7 inches
  • Height: 3.5 inches

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Hi check whether the Drivers are compatible with your operating systems.There is compatibility wizard in OS like microsoft.You can also try the old drivers and then update it.Sometimes two way swap is best way to indicate where the problems is.Test the new adapter with old drivers.Hope this help.Post any errors you get and we can work it out from there.

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Do you have the driver cd of the card. For setting up a PCI card simply insert it in the pci slot and install drivers when it asks you.

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Most likely the card is not being recognized properly. Try the following to try and resolve the issue.

1. Ensure you have all of Microsoft's Windows updates for your operating system, uninstall the drivers and reinstall drivers for the card IF you have Windows updates to download/install.
2. Install the card into a different PCI slot (again reinstall the drivers). If you do not have another PCI slot, swap it with another PCI card (if you do not need that other PCI card then leave it uninstalled physically to see if the problem goes away)
3. Update the BIOS on the motherboard. To do this you may need to contact your motherboard or system vendor to assist.

What version of Windows are you using?


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I believe on the top of the printer towards the back is a panel with a single screw. Under here are dip switches to set the printer.

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