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Description
Brainboxes 2 Port RS232 Low Profile PCI Serial Port Card with LPT Parallel PortUpgrade your desktop with a reliable, space saving solution that delivers two RS232 serial ports plus a dedicated LPT parallel port in a single, low profile PCI card. The Brainboxes 2 Port RS232 Low Profile PCI Serial Port Card is designed to meet the needs of modern PCs while preserving compatibility with legacy equipment. With high performance data transfer, sizable FIFOs, and robust Windows driver support, this card is ideal for industrial
Upgrade your desktop with a reliable, space-saving solution that delivers two RS232 serial ports plus a dedicated LPT parallel port in a single, low-profile PCI card. The Brainboxes 2-Port RS232 Low Profile PCI Serial Port Card is designed to meet the needs of modern PCs while preserving compatibility with legacy equipment. With high-performance data transfer, sizable FIFOs, and robust Windows driver support, this card is ideal for industrial automation, POS systems, instrumentation, and any environment requiring dependable serial and parallel communication on a compact PCI card.
- Two RS232 serial ports and one LPT parallel port on a single, low-profile PCI card, enabling seamless coexistence of modern serial devices and legacy printers in a compact footprint.
- High-speed, reliable data transfer with rates up to 115,200 baud, plus 128-byte deep transmit and 128-byte receive FIFOs to reduce data overruns and ensure smooth communication with multi-device setups.
- 1 Mbit/s line drivers deliver strong signal integrity for long cables and noisy environments, helping maintain clean, error-free data transmission in industrial settings.
- Universal PCI compatibility paired with a low-profile form factor makes this card a versatile upgrade for standard desktops, small form factor builds, and workstation environments where space is at a premium.
- Driver support for Windows 32-bit and 64-bit editions, ensuring straightforward installation and broad software compatibility for a wide range of applications.
Technical Details of Brainboxes 2-Port RS232 Low Profile PCI Serial Port Card with LPT Parallel Port
- Ports: 2 x RS232 serial ports; 1 x LPT parallel port
- Interface: PCI (low-profile) card with universal PCI compatibility
- Data rate: Up to 115,200 baud
- FIFOs: 128-byte transmit FIFO; 128-byte receive FIFO
- Line drivers: 1 Mbit/s for robust signal integrity
- Form factor: Low-profile PCI card suitable for compact PC cases
- Operating system support: Windows 32-bit and 64-bit (drivers included)
- Application fit: Ideal for connecting legacy serial devices, printers, instrumentation, and point-of-sale peripherals
how to install Brainboxes 2-Port RS232 Low Profile PCI Serial Port Card with LPT Parallel Port
To install this card, power down your computer and disconnect it from all power sources. Remove the computer case to access the motherboard and available PCI slots. Handle components with care to avoid static discharge.
- Identify a vacant PCI slot that matches the card’s form factor. If you are installing in a small form factor system, verify that there is adequate clearance for the card’s height and backplate.
- Insert the Brainboxes PCI card firmly into the PCI slot, aligning the connector with the slot and seating the card evenly. Secure the bracket to the chassis with the appropriate screw to hold it in place.
- Reassemble the case and reconnect power. Power on the PC and allow the operating system to begin booting.
- Install the drivers. Use the driver package provided for Windows 32-bit and 64-bit systems, or download the latest drivers from Brainboxes if available. Follow the on-screen prompts to complete the installation, then restart the computer if prompted.
- Verify installation. Open Device Manager and look under Ports (COM & LPT) to confirm that two new COM ports (for the RS232 serial connections) and the LPT port are listed. You can rename or reassign COM port numbers if needed through the Windows Port Settings to avoid conflicts with existing devices.
- Test functionality. Use a terminal program or your application software to communicate with devices connected to the two RS232 ports and the LPT parallel port. Check for reliable data transmission and printer communication to ensure the card is operating correctly in your environment.
Frequently asked questions
- What ports does this card provide? It provides two RS232 serial ports and one LPT parallel port, all on a single low-profile PCI card for convenient multi-device connectivity.
- What data rate can I expect? The card supports data transfer rates up to 115,200 baud, with 128-byte transmit and 128-byte receive FIFOs to help manage data flow and reduce overruns.
- What about signal quality and cable length? The integrated 1 Mbit/s line drivers help maintain signal integrity across typical serial cable runs found in desktops, small form factor PCs, and industrial setups.
- Which operating systems are supported? The card includes drivers for Windows 32-bit and 64-bit editions, making it compatible with a broad range of Windows deployments. For non-Windows environments, check compatibility with your platform-specific drivers.
- Is this card suitable for small form factor PCs? Yes. The low-profile PCI design is specifically intended for compact chassis while delivering full functionality for serial devices and printers.
- How many COM ports will appear after installation? You can expect two new COM ports corresponding to the two RS232 serial ports, in addition to the LPT port. The exact COM numbers depend on your system configuration and existing devices.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 4
Nice shoes for about a year and a half
Size: 13 Wide, Color: Brown, Size: 13 Wide, Color: Brown
I bought these shoes about a year and a half ago and they are comfortable and look much more expensive than they actually are. Today, I noticed them starting to tear a little bit, but if I can replace them every 18 months for this price, it is probably still a better value than high end shoes. The grip is good for dress shoes and has held up well, and they are a good fit that does not cause blisters from excessive rubbing. I might not choose these if I need to wear them every day because of their lifespan, but for a once or twice a week pair of dress shoes, they are a good value.
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Reviewed in the United States on May 25, 2025
★★★★★ 5
Runs big but great shoe!
Size: 12 Wide, Color: Black
Great looking shoe at a very good price! Runs big, I had to get the next size down for my son.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Fantastic Shoe for the Price
Size: 9.5 Wide, Color: Wingtip Black
Okay, I’m used to spending big bucks on men’s dress shoes. I’m talking $300 plus for American made shoes. They are recraftable (resole-able) for another $100 each time.
But since Covid, I don’t go to the office as often. One of my black dress shoes needs to be re-soled, and it will be. Just not now.
So I ran into these shoes on Amazon. It’s hard to argue with the price. Literally 10% of what I have been paying. So, are these shoes 90% lower in quality?
The short, simple answer is, surprisingly, no. Just the opposite.
Upon receipt, I inspected them carefully and they looked pretty darned decent. I was looking for any excuse to plop them back in the box and return them. I couldn’t find anything.
I appreciate that the leather upper is smooth and mildly shiny. This is a wing tip style shoe, so I’m impressed that the extensive stitching was evenly spaced. The leather detailing that I expect on a wing tip is also all there.
Inside the shoe, it is lined from the toes all the way to the heel box… nice! And that leather feels surprisingly supple. That is something I would expect on a much more expensive shoe. But definitely not at this price point.
Hmm.
I even liked the wax laces they chose. They are a little thicker and have more than adequate length. The shoe’s eyelets have interior facing metal grommets to protect against stretching and tear out of the leather and helps protect the laces against friction wear, as they are tightened and loosened over time. Now having that detail, at this price point, has raised both of my eyebrows.
Double hmm. Now I am really impressed.
The only thing that I didn’t like was that the stitching—that joins the uppers to the sole—is white. I needed to polish these shoes anyway, so I figured I’d see what would happen if I put black polish on the stitching.
I’m happy to say that the uppers shine up very nicely, to a high gloss. This was done with just a little bit of buffing, using a traditional horse hair bristled brush. And followed by a buffing cloth. Although I didn’t do it, the leather is smooth enough that I probably could have spit shined them.
And those pesky white stitches on the top side of the soles? Well I’m happy to report that they are now definitely black.
Turning the shoe over, I can visually see a lump where the shank is supposed to be. That’s a good thing. Not all shoes have a shank. It helps to support the arch. That’s another nice detail. I am expecting the shank to be plastic at this price point. So I am utterly shocked to report to you that a magnet sticks to the bottom of the shoe. That shank is steel! Now I am amazed! We’re talking mind blown, Purple smoke everywhere.
Speaking of details, I was very surprised to see the nicely done wing tip detailing, from on top of the shoe, carried over to the bottom of the sole. Wow. I have never seen that before. That’s surprising.
Now it is important to point out that the sole is some man made material. Definitely not leather. But that’s okay. Especially in the wet, leather wears out quickly, if you don’t wear rubber over shoes. One less thing to fuss about.
The heel itself has a band/layer of rust brown material sandwiched between black layers. I wonder if that is a cork or bamboo material? Having walked in these shoes, on concrete and tile floors, last week, there is a noticeable level of cush, or give. They will definitely not to be confused with sneakers. But for dress shoes, this is a pleasant and surprising experience.
The first day, I wore them at home, over the weekend and I’m glad I did that. They needed time to adjust to my feet. Any dress shoe that I have ever worn needs that.
But after that, these shoes have been pleasant enough to walk around in at work.
I’d have to say that these shoes give me at least 90% of what I would expect from my $300+ shoes for around 10% of the cost.
In my estimation, at their current price point, they constitute an excellent deal.
And especially if you are just breaking into the business world and need a good pair of interview shoes, these are definitely respectable… just be sure to put black polish on the white stitches.
Oh, BTW, I have wider feet and I ordered the shoe wide. After the initial stretching, they fit nicely.
So, in the final analysis, what do I think? I have to say, yes, these shoes definitely get my recommendation. Especially if price is a huge factor, then these shoes constitute an excellent deal.
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Reviewed in the United States on March 20, 2023
★★★★★ 5
Great dress shoe
Size: 10.5 Wide, Color: Black
Wow. Very impressed with these.
Would purchase again.
Comfortable enough for my teenage son, my husband and I very impressed with their look. Great for any special occasion.
Ours appear to be all leather. Even the sole. These will last a lifetime if cared for.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Great buy!!!
Size: 11, Color: Dark Brown
Very happy with shoes, color was good. Size was perfect. Comfort was great!!!
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Reviewed in the United States on April 21, 2026