Intel LH500 user manual Motherboard Specification

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

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