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Intel® Server Board SE7520JR2 Server Board Overview
Revision 1.0
C78844-002
21
2. Server Board Overview
The Intel
®
Server Board SE7520JR2 is a monolithic printed circuit board with features that were
designed to support the high density 1U and 2U server markets.
2.1 Server Board SE7520JR2 SKU Availability
In this document, the name SE7520JR2 is used to describe the family of boards that are made
available under a common product name. The core features for each board will be common;
however each board will have the following distinctions:
Product Code Feature Distinctions
SE7520JR2SCSID2 Onboard SCSI + Onboard SATA (RAID) + DDR2 – 400 MHz
SE7520JR2SCSID1 Onboard SCSI + Onboard SATA (RAID) + DDR – 266/333 MHz
SE7520JR2ATAD2 Onboard SATA (RAID) + DDR2 – 400 MHz
SE7520JR2ATAD1 Onboard SATA (RAID) + DDR – 266/333 MHz
Throughout this document, all references to the Server Board SE7520JR2 will refer to all four
board SKUs unless specifically noted otherwise. The board you select to use, may or may not
have all the features described based on the listed board differences.
2.2 Server Board SE7520JR2 Feature Set
• Dual processor slots supporting 800MHz Front Side Bus (FSB) Intel
®
Xeon™ processors
• Intel E7520 Chipset (MCH, PXH, ICH5-R)
• Two PCI riser slots
o Riser Slot 1: Supports low profile PCI-X 66/100MHz PCI-X cards
o Riser Slot 2: Using Intel® adaptive slot technology and different riser cards, this
slot is capable of supporting full height PCI-X 66/100/133 or PCI-Express cards.
• Six DIMM slots supporting DDR2 – 400MHz DIMMs or DDR – 266/333 MHz
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DIMMs
• Dual channel LSI* 53C1030 Ultra320 SCSI Controller with integrated RAID 0/1 support
(SCSI SKU only)
• Dual Intel
®
82546GB 10/100/1000 Network Interface Controllers (NICs)
• On board ATI* Rage XL video controller with 8MB SDRAM
• On-board platform instrumentation using a National* PC87431M mini-BMC
• External IO connectors
o Stacked PS2 ports for keyboard and mouse
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The use of DDR2 - 400 MHz or DDR - 266/333 MHz DIMMs is dependant on which board SKU is used. DDR-2
DIMMs cannot be used on a board designed to support DDR. DDR DIMMs cannot be used on boards designed to
support DDR-2.