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2 Sun StorageTek Enterprise PCI-X 4 Gb FC Single & Dual Port Emulex HBA Installation & Interop Guide • January 2007
Single and Dual Port HBA Features
The single and dual port HBAs consist of a single-slot PCI-X 2.0 bus expansion
board that interfaces a 64-bit PCI bus to one or two Fibre Channel (FC) optical media
busses. The single and dual port HBAs support 32-bit and 64-bit PCI transfers as a
master bus during direct memory access (DMA) transfers and 16-bit transfers as a
slave during parallel input/output (PIO) operations, as well as PCI-X 1.0 and 2.0
transactions. The channels of the single and dual port HBAs can act as either
initiators or targets. In the dual-port HBA, the two channels operate independently
and each supports a separate bus that operates at 4.25 Gbits per second. The single
and dual port HBAs are also backward compatible with 2.125-Gbit-per-second and
1.0625-Gbit-per-second busses.
One or two Small Form Factor (SFF) optical transceivers are used to connect to the
external FC busses. One Helios FC Controller chip is used to support one or two
independent FC busses.
See
TABLE 1-1 for a list of the single and dual port HBA features.
TABLE 1-1 Single and Dual Port HBA Features
Feature Description
PCI signaling environment 3.3-V PCI busses as well as PCI-X 1.0 and 2.0 (mode 2).
Incompatible with 5.0-V PCI slots
PCI/PCI-X transfer rate (max) 264 MB/sec burst rate (64 bit @ 33 MHz PCI).
528 MB/sec burst rate (64 bit @ 66 MHz PCI).
1064 MB/sec burst rate (64 bit @ 133 MHz PCI-X)
2128 MB/sec burst rate (64 bit @ 266 MHz PCI-X)
Number of FC busses One or two
Number of devices supported 126 devices per FC loop
FC bus type (external) Fiber optic media, short wave, multimode fiber (400-M5
SN-S)
FC transfer rate 400 MB/sec per loop maximum, half duplex
800 MB/sec per loop maximum, full duplex
FC interface chip Emulex Helios PCI-X to FC
RAM 1.5 MB SRAM
Flash ROM 2/4 MB Flash (2 MB per FC port; 4 MB total on dual-
port HBA) containing BIOS, firmware, and Sun FCode.
The flash is field programmable.
External connectors One or two LC duplex connectors, one per channel