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Green PCI expansion card with silver DB25 parallel port bracket

SMUGDESK

SMUGDESK PCI to DB25 LPT Parallel Port Expansion Card MCS9865

SKU CH-1M5K-D46XH

Adds a DB25 parallel port via PCI for legacy printers and industrial equipment using the MCS9865 chip and IEEE1284 protocol

  • Adds a DB25 parallel port for legacy printers and industrial gear via PCI slot
  • MCS9865 controller delivers stable IEEE1284 signalling for continuous operation
  • Standard PCI interface fits desktop slots for simple internal installation
  • Works with Windows XP, 7, 10 and Linux for broad legacy support
  • Expands one 25-pin LPT connection without native motherboard header

PCI parallel adapter with MCS9865

This PCI parallel adapter adds one DB25 LPT port for modern PCs that lack a native parallel interface. It solves the connection issue for traditional parallel printers and industrial peripheral equipment. The card fits a standard PCI slot inside a desktop computer case.

IEEE1284 protocol compliance

Fully compliant with the IEEE1284 parallel protocol, the card provides a stable signal for long-time industrial continuous work. This specification ensures reliable data transfer with legacy devices that depend on the standard.

Sustained industrial workload

The MCS9865 control chip maintains stable operation during extended use with industrial test equipment and POS control devices. It is built for continuous duty rather than brief bursts. Buyers who need multiple parallel ports or a different bus interface should look elsewhere.

Highlights

  • Adds a DB25 parallel port for legacy printers and industrial gear via PCI slot
  • MCS9865 controller delivers stable IEEE1284 signalling for continuous operation
  • Standard PCI interface fits desktop slots for simple internal installation
  • Works with Windows XP, 7, 10 and Linux for broad legacy support
  • Expands one 25-pin LPT connection without native motherboard header

Specifications

No published specifications for this item yet.

Questions about this item

How does the MCS9865 chip affect printer performance once the card is installed?

The MCS9865 control chip provides a stable IEEE1284 compliant parallel signal, enabling reliable long-term operation with legacy printers and industrial equipment.

What does the PCI interface limit in actual use?

The standard PCI slot connection caps data throughput to the PCI bus bandwidth, which is sufficient for parallel port printing and legacy device communication.

What clearance does the DB25 connector need at the rear bracket?

The card occupies one PCI slot and presents a standard DB25 25-pin cutout on the bracket, requiring a matching opening in the case rear panel.

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