Installation guide

Table Of Contents
18 Sun StorageTek PCI Express SAS 8-Channel Internal HBA Installation Guide January 2009
Connectors
This section provides a description of the connectors on the SAS HBA.
PCI Express connector The PCI Express interface has eight PCI Express lanes (in
two connectors) which provide possible host-side maximum transmission and
reception rates of up to 4.0 Gbytes/s.
SAS/SATA connectors — The SAS connectors are SFF-8087 mini-SAS x4 connectors.
PCI Performance
PCI performance features of the SAS HBA include:
Provides eight PCI Express PHYs
Supports x8, x4, and x1 link widths
Supports serial, point-to-point interconnections between devices
Supports lane reversal and polarity inversion
Supports PCI Express Hot Plug
Supports Power Management
Supports PCI Power Management 1.2
Supports Active State Power Management (ASPM), including the L0, L0s, L1
states, by placing links in a power-saving mode during times of no link activity
Contains a replay buffer that preserves a copy of the data for retransmission in
case a CRC error occurs
Supports the PCI Express Advanced Error Reporting capabilities
Provides quality of service (QOS) link configuration and arbitration policies
Supports Traffic Class 0 and one virtual channel
Supports Message Signaled Interrupts (both MSI and MSI-X) as well as INTx
interrupt signaling for legacy PCI support
Supports end-to-end CRC (ECRC) and Advanced Error Reporting