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Chapter 1: Product introduction
SSI/ATX power connector. This 24/20-pin connector is for an
SSI-type/ATX power supply.
DDR DIMM sockets. These six 184-pin DIMM sockets support up
to 12GB system memory using registered ECC PC2100/1600 DDR
DIMMs.
Intel
®
E7501 (Plumas 533) MCH. The E7501 Memory Controller
Hub (MCH) processor interface supports the System Bus Protocol
at peak bandwidth of 3.2 GB/s (400 MHz) or 4.26 GB/s (533 MHz),
and is optimized for dual Intel Xeon processors with 512-KB L2
cache. The MCH supports a 144-bit wide channel of Double Data
Rate (DDR) DRAM operating in lock-step, and provides Hub
Interface 1.5 connection for ICH3-S and Hub Interface 2.0
connection for P64H2 devices.
Intel
®
P64H2 PCI-X hub. The P64H2 is PCI/PCI-X 64-bit Hub 2
that provides high-performance I/O capability including 16-bit Hub
Interface 2.0 connection to MCH, and two independent 64-bit PCI/
PCI-X interfaces.
604-pin CPU sockets. Two 604-pin surface mount, Zero Insertion
Force (ZIF) sockets are onboard for the Intel
®
Xeon™ processor
with 512KB L2 cache and a 400/533 MHz system bus that allows
up to 3.2GB/s or 4.26GB/s data transfer rate. These sockets also
support Intel Xeon CPUs with Hyper-Threading Technology feature.
8/4-pin 12V SSI power connector. This 8/4-pin connector is for an
SSI-type/ATX power supply.
SCSI connector. This dual-channel SCSI connector supports up
to 30 devices and data transfers of 320Mbps.
Adaptec
®
AIC-7902W SCSI controller. The 7902W SCSI
controller is a PCI-X dual-channel Ultra320 SCSI ASIC compliant to
PC 2000-2001. Each channel supports a data transfer rate up to
320 MB/s on a Wide (16-bit) SCSI bus with Low Voltage Differential
(LVD) devices. The combined available SCSI throughput is 640
MB/s. In PCI and PCI-X modes, the controller operates as a
multifunction 32-bit or 64-bit bus master.
1.4.2 Core specifications
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The Adaptec
®
AIC-7902W SCSI controller is available only on
PU-DLS models.
The onboard SCSI connectors are available only on PU-DLS models.