Intel® Server System SR9000MK4U Product Guide 19
Table 7. Main Board Components
Board
Location Component Description
P1/P2 Hitachi* NDC Node Controller:
One Front Side Bus
533/667 MHz FSB support
Two processors per bus
Four interfaces connecting to the memory
controller
Three x8 PCI Express* ports
Proprietary high-speed interface to link between
two node controllers
Optimized design for 667 MHz FSB to achieve
low memory access latency
Broadcast-based cache coherence control to
minimize snoop transaction
P3 Intel® ESB2 Enterprise South Bridge
P4 Intel® 6700PXH 64-bit PCI Hub:
PCI bridging functions between the PCI Express
interface and the PCI Bus
One PCI Express* interface (primary bus)
x8 and x4 modes operation
Maximum 2 GB/s in each direction
simultaneously
Two PCI / PCI-X* bus interfaces (secondary bus)
PCI 2.3-compliant
PCI-X 1.0b-compliant
P5 Intel® 82563 Physical Layer Transceiver (PHY) component
designed for 10/100/1000 Mbps operation:
IEEE 802.3 (10BASE-T), IEEE 802.3u
(100BASE-TX), IEEE 802.3ab (1000BASE-T)
Dual port
P6 Intel® 82551QM Fast Ethernet PCI bus controller:
IEEE 802.3 (10BASE-T), IEEE 802.3u
(100BASE-TX), 32-bit PCI bus master interface
P7 ATI* ES1000 Graphics processing unit:
2D graphics accelerator
PCI bus interface (PCI 2.2 compliant, 33 MHz)
P8 VRAM 64 MB VRAM for ATI ES1000:
Max resolution: Up to 1280 x 1024, 85 Hz
Max color depth: Up to 32 bpp true color