Spec:
Features:
Allows to connect more serial & parallel device to your computer easily.
Two (2) 9-pin RS-232 DB9 male serial ports and one DB 25 female parallel LPT port available.
Compliant with PCI Express specification Revision 1.1.
PCI Express single-lane (x1) bus bandwidth 2.5 Gbps.
Support for DOS, for ​ 8 / 7 / Vista / ​​ / 2000 / Server 2003-2008 32/64-bit, for ​ operating systems.
Parallel interface (LPT):
I/O address: Assigned by the BIOS
IRQ: Distributed by the BIOS
Support SPP, ​, EPP & ECP mode

Serial Interface (RS232):
​​ with industrial standard 16C450/16C550 UART
On-Chip 256-bit depth FIFOs in Transmit, support H/W, S/W ​​ control
Data transmission rate of each serial port can be up to 250Kbps
Baud rate: 230.4 Kbps
Serial communication parameter data bits: 5, 6, 7, 8
Stop bit: 1, 2
Parity: None, Even, Odd, Space, ​​
​​ control: RTS/CTS, XON/XOFF
I/O address: Assigned by the BIOS
IRQ: Distributed by the BIOS
Serial signal RS - 232: TxD, RxD, RTS, CTS, DTR, ​rk>​, DCD, GND
Specifications:
Chip: WCH382L
Type: PCI-E to Serial + Parallel Interface Card
Interface: 1 x PCI-E, 2 x Serial, 1 x Parallel
Operating Systems: Support for DOS, for ​ 8 / 7 / Vista / ​​ / 2000 / Server 2003-2008 32/64-bit, for ​ operating systems.
Package weight: 125g
Package Included:
1x PCI-E to Dual Serial Port + Parallel Port Controller Card
1 x Drive CD
Note:
Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.