18 IBM BladeCenter PS703 and PS704 Technical Overview and Introduction– Two disk drive bays supporting up to two 2.5-inch SAS HDD (hard disk drive) or up tofour 1.8-inch SAS SSD (solid state drive)– Hardware mirroring:• One HDD: RAID 0• One SSD: RAID 0• Two HDDs: RAID 0 or RAID 10• One HDD and one SSD: RAID 0 on each disk; combining HDD and SSD in oneRAID configuration is not allowed.• Two SSDs: RAID 0 or RAID 10• Three SSDs: RAID 0, RAID 5, or RAID 10 (RAID 10 with only two disks)• Four SSDs: RAID 0, RAID 5, RAID 6, or RAID 10 On-board integrated features:– Service processor (one on each blade 1 )– Four 1 Gb Ethernet ports– One SAS Controller– USB Controller which routes to the USB 2.0 port on the media tray– 1 Serial over LAN (SOL) Console through FSP Expansion Card I/O Options:– Two CIOv expansion card slots (PCIe)– Two CFFh expansion card slots (PCIe)1.6.3 Minimum features for the POWER7 processor-based blade serversAt the minimum a PS703 requires a BladeCenter chassis, two eight-core 2.4 GHzprocessors, minimum memory of 16 GB, zero or one disks, and a Language Group Specify(mandatory to order voltage nomenclature/language).At the minimum a PS704 requires a BladeCenter chassis, four eight-core 2.4 GHzprocessors, minimum memory of 32GB, zero or one disks, and a Language Group Specify(mandatory to order voltage nomenclature/language).Each system has a minimum feature set to be valid. The minimum system configuration forPS703 and PS704 blade servers is shown in Table 1-6 on page 19.1 The service processor (or flexible service processor) on the expansion unit provides control but does not offerredundancy with the SP on the base unit.
