| PCI Express: |
- Standards compliant
- PCI Express Base Specification, Revision 2.0 (PCI Express Base r2.0)
- PCI Express Base Specification, Revision 2.0 Errata
- Backward-compatible with the PCI Express Base Specification, Revision 1.1 (PCI Express Base r1.1) and PCI Express Base Specification, Revision 1.0a (PCI Express Base r1.0a)
- PCI Bus Power Management Interface Specification, Revision 1.2 (PCI Power Mgmt. r1.2)
- Microsoft Vista®-compliant
- Supports Access Control Services
- Dynamic Link-width control
- Dynamic SerDes speed control
Note: Additional specifications, with which this product complies, are listed in Supplemental Documentation.
- High Performance
- Non-Blocking Internal architecture
- Full line rate on all Ports
- Cut-Thru latency – 190 ns for Link widths of x4 to x1
- Maximum Payload Size – 512 bytes
- performancePAKTM
- Read PacingTM (intelligent bandwidth allocation)
- Dual CastTM
- Dynamic Buffer Pool Architecture for faster credit updates
- PCI Express Power Management
- Conventional PCI-compatible Link Power Management states – L0, L0s, L1, L2/L3 Ready,and L3 (with Vaux not supported)
- Conventional PCI-compatible Device Power Management states – D0 and D3hot
- Active State Power Management (ASPM)
- Quality of Service (QoS) support
- Two Virtual Channels (VC0 and VC1) per Port
- Eight Traffic Classes (TC[7:0]) per Port
- Weighted Round-Robin (WRR) Port and Virtual Channel (VC) arbitration
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| OHCI (Open Host Controller Interface) |
- Pipelined processing enables descriptor fetch, data fetch, transmit, and descriptor status update to operate in parallel for asynchronous transmit (AT).
- All descriptors for a block transfer fetched from system memory in one PCIe transfer.
- OHCI 1.0 backwards-compatible:
- Configurable via EEPROM to operate in either
OHCI 1.0 or OHCI 1.1 mode.
- Isochronous receive dual-buffer mode.
- Enhanced isochronous transmit skip/overflow.
- ack_data_error improvements for asynchronous and physical requests.
- Enhanced configuration status register (CSR)implementation.
- Autonomous configuration ROM update.
- Enhanced power management support, including ack_tardy event.
- Enhanced self-ID protocol, including selfIDComplete2 event.
- Compatible with Microsoft Windows and MacOS operating systems.
- 8 KB isochronous transmit FIFO.
- 4 KB asychronous transmit FIFO.
- 8 KB isochronous receive FIFO.
- 8 KB asynchronous receive FIFO.
- Dedicated asynchronous and isochronous descriptor-based direct memory access (DMA) engines.
- Eight isochronous transmit contexts.
- Eight isochronous receive contexts.
- Prefetches isochronous transmit data.
- Posted write transactions.
- Parallel processing of incoming physical read and write requests.
- Notification (via interrupt) of a failed register access.
- Support for up to 48-bit addressing per OHCI specification for the physical DMA transfers.
- Physical upper bound register.
- Fairness control register.
- Support for multiple outstanding requests at DMAs.
- Segmenting of transfers into PCI Express-sized requests.
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| 1394a-2000 Link |
- Support for calculation and checking of the cyclic redundancy check (CRC) on outgoing and incoming packets.
- Support for decoding the destination ID of incoming 1394 packets to determine if an acknowledge is needed.
- Cycle master and isochronous resource manager capability.
- Support for 1394a-2000 acceleration features.
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| 1394a-2000 PHY |
- Three IEEE 1394a-2000 compliant ports supporting IEEE 1394a-2000 speeds of 100 Mb/s, 200 Mb/s, and 400 Mb/s over 4.5 m copper.
- Full support for IEEE 1394a-2000 and 1394-1995 standard provisions for high-performance serial bus.
- Registers to indicate power class modes.
- Extended BIAS_HANDSHAKE time for enhanced interoperability with camcorders.
- While unpowered and connected to the bus, the device does not drive TPBIAS on a connected port even if receiving incoming bias voltage on that port.
- No need for an external filter capacitor for PLL.
- Link-on as a part of the internal PHY core-link interface.
- Arbitrated short bus reset.
- Ack-accelerated arbitration and fly-by concatenation.
- Connection debounce.
- Multispeed packet concatenation.
- PHY pinging and remote PHY access packets.
- Port disable/suspend/resume.
- PHY-link interface initialization and reset.
- Support for the 1394a-2000 register set.
- Fully interoperable with Firewire® and i.LINK® implementation of IEEE 1394-1995.
- Cable power fail interrupt reported when voltage at TPCPS pin falls below 7.5 V.
- Separate cable bias and driver termination voltage supply for each port provided.
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| Number of Ports: |
- Three External FireWire 6pin ports
- OHCI 3: One FireWire 6pin ports
- OHCI 2: One FireWire 6pin port
- OHCI 1: One FireWire 6pin port
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| Bus Power Connector: |
- Big IDE 4-pin DC Power Connector
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