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1.4 Motherboard Specification
Processors
Dual mPG604 ZIF socket
Dual onboard 4-phase VRD (VRM 10.1 Spec.)
Supports one or two Intel Xeon processors with 1MB of integrated L2 cache
Supports 800MHz Front Side Bus
LH500 does not support Prestonia 533MHz
Chipsets
Intel 7520 (MCH) chipset
MCH + ICH5 + PXH + PXH +FWH (LH500-F/LH500-B)
MCH + ICH5 + PXH + FWH (LH500-V)
Each PXH supports two independent PCI-X buses
National Semiconductor Super I/O PC87360 chip
Analog Devices ADM1026 Hardware Monitor chip
Memory
Six 184-pin 2.5-Volt DDR DIMM sockets
Dual channel memory bus
Two-way interleaved memory banks (pair of DIMMs required)
Supports DDR-333/266 memory
Supports Registered ECC type memory modules only
Supports up to 12GB
Supports Standard, Mirroring and Sparing
Expansion Slots
One PCI-Express X8 slot
One PCI-Express X4 1U slot (For 1U and 2U riser card)
Five independent PCI-X/PCI buses (LH500-F / LH500-B)
Three independent PCI-X / PCI buses (LH500-V)
Three 64-bit 133/100/66MHz (3.3V) and Two 64-bit 100/66MHz (3.3V) PCI-X slots
(LH500-F / LH500-B)
Two 64-bit 133/100/66MHz (3.3V) PCI-X slots (LH500-V)
One 32-bit 33MHz (5V) PCI slot
Total of seven usable slots (LH500-F / LH500-B)
Total of four usable slots (LH500-V)
Integrated SATA-II Controller
4/8 Ports PCI-X Marvell/Adaptec Hercules2 SATA-II Controller
Zero Channel RAID (ZCR) solution (Intel RAIDIOS logic over PCI-X slot)
Hard disk hot swap solution
Adaptec Host-RAID option ROM and driver solution
DMA Transfers up to 3.0Gb/s
ICH5 Integrated SATA
Independent DMA operation on 2 ports
DMA Transfers up to 1.5Gb/s
ICH5 Integrated ATA
Provides two PCI bus master channels for up to four enhanced IDE devices
Support for UDMA 100/66/33 IDE drives and ATAPI compliant device
Integrated LAN Controller