IOI Technology Corporation
Your I/O Solution Provider

IOI-4521A complies with USB Revision 2.0 and OHCI (Open Host Controller Interface) specification for full/low-speed signaling, and Intel's EHCI (Enhanced Host Controller Interface) specification for high-speed signaling which can work up to 480Mbps.
Features

• Compatible with OpenHCI and EHCI
  Fully compatible with standard Microsoft USB Drivers
  Support up to 127 devices over an industry-standard USB-compatible 4-wire cable
  Support all USB-compatible Devices
  Integrate seamlessly with NEC's device-side ASICs and d USB HUB-based products. Ensure 100% compatibility for today and future.

Host Bus:	2-bit PCI Local Bus, Rev. 2.1 & 2.2 Compatible PCI Bus Power Management Interface Release 1.1
Data Transfer Rate:	High-Speed at 480Mbps Full-Speed at 12Mbps Low-speed at 1.5Mbps
FireWire (IEEE 1394) Data Transfer Rate:	S100/S200/S400 Mbps
USB Port:	IOI-4521A: Five A-Type Ports (3 External + 2 Internal) IOI-4521Ai: Five Ports (3 External A-Type CONN + 2 Internal Header 4x1 CONN)
PCI Multifunction Device - Controllers :	Two OHCI Host Controller cores for full-/low-speed(12/1.5Mbps) One EHCI Host Controller core for high-speed(480Mbps)
Operating Environment :	Temperature Operating: -40 to 55XC Temperature Non-operating: -20 to 60XC Relative Humidity: 0-80% (non-condensing)

• Computer with PCI slot

• Windows
  • USB 1.0: Windows 98 SE/ Me/ 2000/ XP
  • USB 2.0: Windows 2000 SP4/ XP SP2
  • Orangeware USB 2.0 Drivers for: Windows 98 SE/ Me
• Linux
  • USB 1.0: Kernel 2.2.x or higher
  • USB 2.0: Kernel 2.5.
• Mac
  • USB 1.0: OS 8.6 or higher
  • USB 2.0: OS 10.3 or higher
  • Orangeware USB 2.0 Drivers for: OS 10.1 and 10.2

under construction

Q'ty	Carton size(cm)	N.W.	G.W.	Remark
NA	65x40.8x28.5	NA	NA	CT0001
NA	53.5x34x29	NA	NA	CT0009