32 IBM System x3950 M2 and x3850 M2 Technical IntroductionThe documents are available on the ServeRAID MR10 Support CD, which can bedownloaded in ISO format from:http://www.ibm.com/support/docview.wss?uid=psg1MIGR-5073160PCI subsystemAs shown in Figure 7 on page 15, there are five half-length, full-height PCI Express x8 slotsand two half-length, full-height Active PCI Express x8 internal to the x3850 M2 and x3950 M2.All are vacant in the standard models. All seven slots have the following characteristics: Separate bus from the other slots and devices PCI Express x8 40 Gbps full duplex 64-bit, each supporting 32-bit adapters as wellSlots 6 and 7 also support Active PCI hot-swap adapters.The optional ServeRAID-MR10k adapter does not use a PCI slot because it has a dedicatedslot on the motherboard. See Figure 15 on page 33.The PCI subsystem also supplies these I/O devices: LSI 1078 Serial-attached SCSI (SAS) controller. Broadcom dual port 5709C 10/100/1000 Ethernet. Six USB ports, two on the front panel, three on the rear, one onboard. Remote Supervisor Adapter II adapter in a dedicated socket on the I/O board. Thisadapter also provides the ATI ES1000 16MB video controller. EIDE interface for the DVD-ROM drive. Serial port. Trusted Platform Module (TPM).Note: You require Microsoft Windows Server 2003 to be able to use Active PCI on thex3850 M2 and x3950 M2. Support in Linux® distributions is planned for 2008.