User Guide

Altos R720 Installation Configuration Guide 2
Model Altos R720
Processor Dual-Core Intel Xeon processors 5000 sequence
(Dempsey or Woodcrest) at 2.66Hz or above
Frequency
Front Side Bus
667MHz
1066MHz
1333MHz
Cache
2 x 2MB L2 cache
4MB L2 cache
Chipset Intel chipset
North Bridge: Intel 5000P (Blackford)
South Bridge: Intel 6321ESB
Memory
Quad FB-DIMM memory channels
8 x DIMM sockets support 512MB/1GB/2GB FB-
DIMM 533 or FB-DIMM 667
Maximum memory of 32GB (when 4GB DIMM
is available)
Up to 17 GB/s maximum b/w for FB-DIMM 533
Up to 21 GB/s maximum b/w for FB-DIMM 677
Support memory sparing and memory
mirroring (2006 Q3)
Storage Interface
LSI SAS 1068 3Gb/s SAS controller
One ATA-100 port
Expansion Slots
Total 5 slots (three full height slots, two low
profile slots)
Low profile riser slot
Two x8 PCI-Express slots (with x4 throughput)
Full height riser slot
Option 1: One 64-bits/133MHz/3.3V PCI-X slot
+ Two x8 PCI-Express slots (with x4
throughput)
Option 2: Three 64-bits/133MHz/3.3V PCI-X
slots
Option 3: Three 64-bits
66MHz/100MHz/133MHz PCI-X slots
VGA
Onboard ATI ES1000 video controller w/ 16MB
SDRAM
SAS Controller
Integrated SAS RAID with RAID 0, 1, 5, 10 and
50 support
128MB of cache (DDR2 400 registered, 244 pin
Mini DIMM)
BBU support
HARDWARE
SPECIFICATION