74 IBM Power 770 and 780 (9117-MMD, 9179-MHD) Technical Overview and Introduction
2.8.7 SCSI and SAS adapters
The Power 770 and Power 780 do not support SCSI adapters and SCSI disks. SAS adapters
are supported and Table 2-15 lists the available SAS adapters.
Table 2-15 Available SCSI and SAS adapters
2.8.8 iSCSI adapters
The iSCSI adapters in Power Systems provide the advantage of increased bandwidth through
the hardware support of the iSCSI protocol. The 1 Gigabit iSCSI TCP/IP Offload Engine
(TOE) PCI-X adapters support hardware encapsulation of SCSI commands and data into
TCP, and transports them over the Ethernet using IP packets. The adapter operates as an
iSCSI TOE. This offload function eliminates host protocol processing and reduces CPU
utilization and interrupts. The adapter uses a small form factor LC type fiber optic connector
or a copper RJ45 connector.
Table 2-16 lists the orderable iSCSI adapters.
Table 2-16 Available iSCSI adapters
Feature
code
CCIN Adapter description Slot Size OS
support
2055 57CD PCIe RAID and SSD SAS Adapter
3 Gb with Blind Swap Cassette
PCIe Short AIX, IBM i,
Linux
5805 574E PCIe 380MB Cache Dual - x4 3 Gb
SAS RAID Adapter
PCIe Full height AIX IBM i,
Linux
5901 57B3 PCIe Dual-x4 SAS adapter PCIe Short AIX, IBM i,
Linux
5903
a
574E PCIe 380MB Cache Dual - x4 3 Gb
SAS RAID adapter
PCIe Short AIX, IBM i,
Linux
5908 575C PCI-X DDR 1.5 GB Cache SAS
RAID adapter (BSC)
PCI-X Long AIX, IBM i,
Linux
5912 572A PCI-X DDR Dual - x4 SAS adapter PCI-X Short AIX, IBM i,
Linux
5913
a
a. A pair of adapters is required to provide mirrored write cache data and adapter redundancy.
57B5 PCIe2 1.8 GB Cache RAID SAS
adapter Tri-port 6 Gb
PCIe Full height AIX, IBM i,
Linux
ESA1 57B4 PCIe2 RAID SAS Adapter
Dual-port 6 Gb
PCIe Full height AIX, IBM i,
Linux
Feature
code
CCIN Adapter description Slot Size OS
support
5713 573B 1 Gigabit iSCSI TOE PCI-X on
Copper Media Adapter
PCI-X Short AIX, IBM i,
Linux
5714
a
a. Supported, but is no longer orderable.
573C 1 Gigabit iSCSI TOE PCI-X on
Optical Media Adapter
PCI-X Short AIX, IBM i,
Linux
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