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Green PCIe x1 card with DB25 parallel and DB9 serial ports

STARTECH

STARTECH PEX1S1P950 PCIe expansion card with DB25 and DB9 ports

SKU CH-NBMP-SPBQW MPN PEX1S1P950

Adds a DB25 parallel port and a DB9 RS232 serial port through a PCI Express x1 2.0 slot

  • TypePCIe Card with Serial and Parallel Port
  • External PortsDB-25 (25 pin, D-Sub) DB-9 (9 pin, D-Sub)
  • StandardPCI Express x1
  • FeaturesPCIe Card with Serial and Parallel Port Add a DB25 parallel
  • Adds legacy DB25 parallel and DB9 serial ports via PCIe x1 slot
  • Parallel port reaches 2.5 Mbps with SPP, Byte and ECP modes
  • Serial port delivers 921.6 Kbps through 16C950 UART
  • IEEE 1284 compliant for broad printer and scanner support
  • Works with Windows 7 onward, Server 2003 onward and Linux 2.6+

Legacy I/O for modern systems

The PEX1S1P950 adds one DB25 parallel port and one DB9 serial port to a desktop through a single PCI Express x1 2.0 slot. It targets technicians and industrial users who still drive printers, scanners, plotters or RS232 equipment that lack USB or native motherboard headers.

Full-profile bracket with standard D-Sub connectors

The card uses a full-height bracket so it fits typical tower chassis without a low-profile swap. Both DB25 and DB9 ports are mounted directly on the bracket, giving secure screw-down connections that resist vibration in rack or bench environments. The Asix AX99100 controller handles the parallel interface while a 16C950 UART drives the serial side.

Replaces the PEX1S1P952

This model supersedes the earlier 952 card, raising the DB25 maximum to 2.5 Mbps and keeping the DB9 at 921.6 Kbps. The upgrade is worthwhile when legacy software demands ECP or EPP parallel modes under IEEE 1284, or when a 16C950-compatible UART is required for timing-sensitive serial gear. It is not suited for builds that need more than one legacy port of each type.

Points forts

  • Adds legacy DB25 parallel and DB9 serial ports via PCIe x1 slot
  • Parallel port reaches 2.5 Mbps with SPP, Byte and ECP modes
  • Serial port delivers 921.6 Kbps through 16C950 UART
  • IEEE 1284 compliant for broad printer and scanner support
  • Works with Windows 7 onward, Server 2003 onward and Linux 2.6+

Caractéristiques

BrandStarTech.com
ModelPEX1S1P950
TypePCIe Card with Serial and Parallel Port
External PortsDB-25 (25 pin, D-Sub)
DB-9 (9 pin, D-Sub)
StandardPCI Express x1
FeaturesPCIe Card with Serial and Parallel Port
Add a DB25 parallel and a DB9 RS232 serial port using a PCIe x1 2.0 full profile PCIe card slots
Upgraded version of popular card PEX1S1P952
DB25 Speeds up to 2.5Mbps
SPP/Byte/ECP modes
IEEE 1284
Asix AX99100
DB9 Speeds up to 921.6Kbps
16C950 UART
Use PCI Express expansion combo card w/printer/scanner/plotter
PCI-e Base Spec Rev 1.1
PCI Power Mgmt 1.2
Adapter card supports Windows 7+/Server 2003+/Linux 2.6.X+
Poids d’expédition0.14 kg
Dimensions du colis170 × 142 × 30 mm

Questions sur cet article

What PCIe standard does the PEX1S1P950 use and what bandwidth does it provide?

The card plugs into a PCI Express x1 2.0 slot and follows the PCI-e Base Spec Rev 1.1, giving 2.5 Gbps per lane.

What physical slot and bracket size does this card require?

It needs one full-profile PCIe x1 2.0 slot and fits a standard DB-25 and DB-9 bracket cut-out.

How is the card installed and which step is often missed?

Power off the PC, insert the card into a free PCIe x1 slot, secure the bracket screw, then install the Windows 7+, Server 2003+ or Linux 2.6+ drivers before connecting legacy devices.

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