Installation Guide, Seventh Edition - HP Integrity rx4640 Server
Introduction
Server Components
Chapter 1
18
Server Components
The following components comprise the HP Integrity rx4640 server.
Processors
The following processors are available for the rx4640 server:
• 1.6 GHz / 18 MB cache
• 1.6 GHz / 24 MB cache
• All processors are dual core. The processor configuration options are 1-processor/2-core (1p/2c), 2p/4c,
3p/6c, or 4p/8c. The server can also be a 16 way server with hyperthreading turned on. However, the
default is hyperthreading turned off at the factory.
Memory
• 16 DIMM slots on standard memory extender board
• 32 DIMM slots on optional memory extender board
• Minimum memory size of 1 GB (four 256 MB DIMMs in
• Maximum memory size of 128 GB (4 GB DIMMs on 32-slot memory extender board)
• 256 MB, 512 MB, 1 GB, 2 GB, and 4 GB standard 184 pins 2.5V DDR 266, CL2, registered, ECC
• 100 MHz memory bus frequency, 200 MTransfers/s data (data MUXing allows 400 MTranfers/sec), 12.8
GB/s peak data bandwidth
• DIMMs loaded by quads enable interleaved mode and chip sparing
PCI Riser
• Two dedicated PCI slots (LAN and SCSI)
• Four hot-plug PCI-X 66 MHz, 64-bit, 3.3 V, 25 W slots with shared busses and I/O. Slots 3 and 4 share
capabilities and slots 5 and 6 share capabilities
• Two hot-plug PCI-X 133 MHz 64-bit 3.3 V 25 W slots
Internal Core I/O
• Dual channel SCSI U160 interface, two internal 68-pin connectors, two 68-pin external connectors
• The SCSI backplane is configured as either one or two channels
• One internal IDE connector for a slim-line optical device (CD and DVD)
• No floppy connector
External Core I/O
• Three external serial ports
• Two external USB 2.0 ports










