System Specifications B-9
Universal Serial Bus (USB) Support
Two external USB ports support USB-type peripheral
devices. System board supports standard universal host
controller interface (UHCI) with UHCI-compatible software
drivers.
Support for isochonous and asynchronous transfer types
Automatic mapping of function to driver and configuration
Guaranteed bandwidth and low latencies appropriate for
telephony, audio and other applications
Shielded (high speed) cable required to connect USB
peripheral devices
Supports up to 127 physical devices
Note:
Use shielded cable that meets the
FCC Class B requirements to connect any USB
device.
IDE Support
Two independent bus mastering PCI IDE interfaces support
PIO Modes 3 through 4, ATA-33 (Ultra DMA/33)and ATAPI
devices.
The BIOS supports Logical Block Addressing (LBA) and
Extended Cylinder Head Sector (ECHS) translation modes.
The IDE device transfer rate and translation mode are
automatically detected.