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IBT Technologies Inc.; 5405 Thimens; Quebec, Canada H4R 2H4; 1-866-590-4288; info@ibt.ca
I/O 4479A PCI-Express 2 x RS-232/1 x Parallel
Product detail



4479A PCI Express Multi-I/O communication board provides independent high speed RS-232 serial and IEEE 1284 interface, is compatible with PCI Express x1, x2, x4, x8 and x16 lane Bus, allowing the board to be installed in virtually any PC system that is equipped with PCI Express slot. The new slot standard supports Windows 2000 and above, plus Linux 2.4x and above kernel. PCI Express card series is the advanced and high efficient solution, ideally for commercial and industrial automation applicatins.


  • Express 2 RS-232 and IEEE 1284 Parallel on system
  • Designed to meet PCI Express Bases Specification Revision 1.1
  • Supports x1, x2, x4, x8, x16 (lane) PCI Express Bus connector keys
  • High speed SUN1889 UART and SUN 1688 Parallel controller on-board
  • Support IEEE 1284-1994 parallel port standard
        ECP(Enhance Capacity Port) / EPP(Enhance Parallel Port)
        SPP(Standard Parallel Port) / BPP(Bi-direction Parallel Port)
  • Built-in 15 KV ESD protection for all serial signals
  • Certified by Microsoft WHQL, CE, FCC approval
  • Support Linux, Microsoft Windows 2000, XP and 2003
  • Ready for the Intel™ and AMD™ 32 / 64-bit CPU system


Interface RS-232 and IEEE 1284
BUS PCI Express one lane (x1) Bus
Dimensions 151 x 71 mm
Bracket Std. 121 mm
Serial Communication
Interface RS-232
Controller SUN1889
No. of Port 2 Port
Port Type D89M
IRQ & IO Assigned by system
FIFO 32byte Hardware & 128byte DMA FIFO
Baud rate 75bps ~ 921.6Kbps
Data bit 5, 6, 7, 8
Stop bit 1, 1.5, 2
Parity even, odd, none, mark, space
Flow Control None, Xon / Xoff, RTS / CTS
Protection 15 KV ESD protection for all signal
Parallel Communication
Interface IEEE1284
Controller SUN1688
No. of Port 1 port
Port type Pin Header to DB25F
IRQ & IO Assigned by System
FIFO 32 byte hardware FIFO
Speed 2.7 Mbps
Mode ECP / EPP / SPP / BPP
Driver Support
Microsoft Windows 2000 / XP / 2003 (32 / 64-bit)
Linux Linux 2.4x / 2.6x
Regulatory Approvals
Hardware CE, FCC
Software WHQL
Operation Environment
Operation Temperature 0 to 60°C
Operation Humidity 5 to 95% RH
Storage Temperature -20°C to 85°C

Package list

  • 4479A PCI Express Multi-IO Board
  • Pin Header to DB25F Connector Bracket set
  • User's Manual and Software CD ROM
  • Quick Installation Guide
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