Intel SE7221BK1-E User Guide - Page 16

Server Board Features Intel® Entry Server Board SE7221BK1-E User Guide Table 1. Server Board Features Feature Processors Memory Description Support for an Intel® Pentium® 4 processor with Intel® Hyper-Threading Technology in an LGA775 package with an 800 MHz system bus. Frequencies starting at 2.8 GHz ƒ Four DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets ƒ Support for 256MB to 4 GB Unbuffered ECC on Non-ECC DDR2 400/533 system memory ƒ Support for single-sided or double-sided DIMMs (DDR2 400/533) - To run DDR2 400 MHz memory at full speed requires an Intel® Pentium® 4 processor with 800 MHz system bus frequency. - DIMMs must be ECC x8 or Non-ECC x8 or x16 DDR2 unbuffered. Chipset - Supports Intel x4 SDDC only with x4 DIMMS Intel® E7221 chipset, consisting of: ƒ Intel® E7221 Memory Controller Hub (GMCH) ƒ Intel® ICH6R I/O Controller Hub ƒ Intel® PXH PCI-X Hub ƒ National Semiconductor* PC87431M mini-Baseboard Management Controller I/O Control Peripheral Interfaces LAN National Semiconductor* PC87427 Super I/O controller chip ƒ Two external USB 2.0 ports on the back panel with an additional internal header, which provides support for two additional USB ports with front panel support (four total possible USB 2.0 ports) ƒ One external serial port and one serial header ƒ One 40 pin ATA-100 IDE connector ƒ An integrated Serial ATA controller with 4 serial ports output. Support for Raid 0, 1, and 10 ƒ One standard 34 pin front panel connector supporting floppy drive interface with support for one drive, for use with or without backplane ƒ PS/2* keyboard and mouse ports ƒ One Intel® 82541PI Ethernet Controller Platform LAN Connect (PLC) device for 10/100/1000 Mbits/second Ethernet LAN connectivity ƒ Intel® Entry Server Board SE7221BK1-E (LX and SR SKUs only) Additional Intel® 82547EI Platform LAN Connect (PLC) device for 10/100/1000 Mbps Ethernet LAN connectivity Expansion Capabilities Four independent PCI buses 1. One PCI 2.3 32-bit/33 MHz, 5 V connector supporting full length PCI add-in cards and one 82541PI Gigabit Ethernet Controller 2. A second 32-bit/33 MHz 82541PI Gigabit Ethernet Controller (Intel® Entry Server Board SE7221BK1-E (LX and SR SKUs only) 3. Two PCI-X 64 bit 3.3 volt slots which can support either: ƒ Two full length PCI / PCI-X add-in cards at 66 MHz or ƒ One PCI-X 64-bit/100 MHz, 3.3 V card 4. One x8 PCI-Express* slot supporting x1, 2, x4 or x8 (SC5250E) or One riser card supporting PCI, PCI-X or PCI-Express* add-in card (SR1425BK1-E) Integrated Graphics Integrated graphics supporting SVGA Fans Support for up to four system fan modules and one processor fan 2