Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slotThe PEX2S5531P 2S1P PCI Express Card turns a PCI Express slot into two RS232 (DB9) serial ports and one Parallel port. The adapter card features a native PCI Express single chip design that allows you to take advantage of full PCI Express capability, providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional serial cards which use a bridge chip design.Compatible with a broad range of operating systems including Windows® 2000/XP/2003/Vista™/Windows 7/Server 2008 R2 (32 and 64-bit), Linux Kernel 2.6.11 and up, and MAC OS 10.4, this 2 Port Serial 1 Port Parallel PCI-Express Card also features an optional low profile/half-height bracket that allows the card to be installed in virtually any computer case, regardless of the case form factor.This product is a replacement for our PEX2S5521P card.Backed by a StarTech.com 2-year warranty and free lifetime technical support.

Technical details
Sustainability certificates	CE, RoHS
System requirements
Windows operating systems supported	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 95, Windows 98SE, Windows CE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac operating systems supported	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Y
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supported	Windows Embedded POSReady 2009, Windows Embedded Standard 2009
Ports & interfaces
Host interface	PCIe
Output interface	Serial
Expansion card standard	PCIe 1.0a
Serial ports quantity	2
Serial interface type	RS-232
Parallel ports quantity	1
Weight & dimensions
Width	120 mm
Depth	105 mm
Height	20 mm
Weight	112 g
Operational conditions
Operating temperature (T-T)	-10 - 80 °C
Storage temperature (T-T)	-20 - 100 °C
Operating relative humidity (H-H)	5 - 85%
Packaging data
Drivers included	Y
Manual	Y
Package width	145 mm
Package depth	174 mm
Package height	31 mm
Package weight	208 g
Design
Internal	Y
Product colour	Green, Stainless steel
Features
Chipset	ASIX - MCS9901CV-CC
Baud rate	460.8 Kbit/s
FIFO (First In, First Out)	128 B
Flow Control type	DTR/DSR, RTS/CTS, XON/XOFF
Supported protocols	EPP, ECP, SPP, PS/2
Logistics data
Harmonized System (HS) code	84733020
Products per master (outer) case	75 pc(s)
Master (outer) case width	355 mm
Master (outer) case length	679 mm
Master (outer) case height	320 mm