The IBM Power6 8203-E4A (#5901) PCIe Dual-x4 SAS Adapter</p><p>The #5901 PCIe Dual-4x SAS Adapter is a low-profile short form factor adapter which supports the attachment of SAS disk, tape, and DVD using a pair of mini SAS 4x connectors. From a high level perspective, it is functionally equivalent to the #5912 PCI-X SAS adapter and provides a high-performance connection to SAS devices. </p><p></p><p>The #5901 supports external SAS tape drives such as the 36/72 GB DAT72, 80/160GB DAT160, and 800/1600GB LTO-4 found in the IBM tape units such as the 7214-1U2, TS2240, TS2340, TS3100, TS3200, and TS3310. Other removable media devices supported include IBM SAS/SATA DVD-ROM/RAM drives. SAS adapter-to-enclosure (AE) cables are used to attach these drives. </p><p></p><p>The #5901 supports SAS SFF disk drives located in a PCIe 12X I/O Drawer or SAS disk drives located in an EXP 12S Disk Drawer or drives in a Power6 system CEC (split DASD backplane). AIX/Linux formatted SAS drives are supported with RAID 0 (with mirroring) and RAID 10. IBM i formatted SAS drives are supported and data spreading and mirroring functions are provided by IBM i. RAID-5 or RAID-6 are not supported on the #5901. #5901 has zero write cache. CCIN for #5901 is 57B3. </p><p></p><p>With proper cabling and configuration, multiple wide ports are used to provide redundant paths to each dual port SAS disk . The adapter manages SAS path redundancy and path switching should a SAS drive failure occur. SAS Y cables attach SAS disk drives in an EXP 12S Disk Drawers. SAS #3688 cables attach SFF SAS drives in an PCIe 12X I/O Drawer. In the EXP 12S Drawer, a high availability I/O configuration can be created using a pair of #5901 adapters and SAS X cables to protect against the failure of a SAS adapter. In the PCIe 12X I/O Drawer, this function is provided via the internal wiring within the drawer itself. </p><p></p><p>Highlights </p><p></p><p>Supports up to 48 SAS disks, when configured with four #5886 EXP 12S Disk Drawers </p><p>Supports up to 42 disk (18 SFF disk plus up to 24 3.5-inch SAS disk) when configured with a #5802 19-inch PCIe 12X I/O Drawer and two #5886 EXP 12S Disk Drawers </p><p>Supports up to 50 disk (26 SFF disk plus up to 24 3.5-inch SAS disk) when configured with a #5803 24-inch PCIe 12X I/O Drawer and two #5886 EXP 12S Disk Drawers </p><p>SAS speed = 3Gbs </p><p>SATA speed = 1.5Gbs </p><p>SAS Serial SCSI Protocol (SSP) , Serial ATA Tunneling Protocol (STP) and Serial Management Protocol (SMP) </p><p>Dual controller supports mirrored RAID parity footprints </p><p>Concurrent firmware update </p><p>Attributes provided: Eight physical links via two mini SAS 4x connectors </p><p>Attributes required: One PCI Express slot </p><p>For 8203-E4A: The IBM Power6 8203-E4A (#5901) </p><p>Minimum required: 0 </p><p>Maximum allowed: 42 (Initial order maximum: 42) </p><p>OS level required: </p><p>AIX 5.3 with the 5300-07 Technology Level and Service Pack 9, or later </p><p>AIX 5.3 with the 5300-08 Technology Level and Service Pack 7, or later </p><p>AIX 5.3 with the 5300-09 Technology Level and Service Pack 4, or later </p><p>AIX 5.3 with the 5300-10 Technology Level, or later </p><p>AIX 6.1 with the 6100-00 Technology Level and Service Pack 9, or later </p><p>AIX 6.1 with the 6100-01 Technology Level and Service Pack 5, or later </p><p>AIX 6.1 with the 6100-02 Technology Level and Service Pack 4, or later </p><p>AIX 6.1 with the 6100-03 Technology Level, or later </p><p>IBM i 6.1 or later </p><p>SUSE LINUX Enterprise Server 10 SP1 for POWER Systems, or later </p><p>Red Hat Enterprise Linux for POWER, Version 4.5 or later </p><p>Red Hat Enterprise Linux for POWER, version 5.1 or later </p><p>Initial Order/MES/Both/Supported: Both </p><p>CSU: Yes </p><p>Return parts MES: No </p><p>Note: 3 Max in the CEC. </p><p></p><p>