User guide

Chapter 1. IBM BladeCenter products and technology 9
Figure 1-6 IBM BladeCenter LS21
Table 1-3 summarizes the features of the LS21.
Table 1-3 Features of the LS21
1.2.3 IBM BladeCenter JS21 server
The BladeCenter JS21 server represents the newest offering in the BladeCenter family of
high-density, high-performance PowerPC® based servers, with multi-socket processors and
high-speed memory options.
Key features of the JS21 include:
򐂰 Two 64-bit PowerPC 970MP single-core or dual-core processors.
򐂰 Up to 16 GB ECC Chipkill™ DDR2 memory (1 GB or 2 GB standard).
򐂰 Dual Gigabit Ethernet controller (Broadcom 5780).
Feature Specification
Processor AMD Opteron Rev F Model 2212, 2212HE, 2216HE and 2218
Number of processors (std/max) 1 / 2
Cache 1 MB L2 per processor core
Memory 8 VLP DIMM slots / DDR2 667 / 32 GB maximum
Internal hard disk drives
(standard / maximum)
0 / 1
Maximum internal storage On board: one 2.5” Non Hot Swap SAS HDD
Optional: SIO blade offers support for 3 additional 2.5” hot-swap SAS drives
Network Two ports, Integrated Dual Gigabit Ethernet (Broadcom 5706S) TOE
I/O upgrade 1 PCI-X expansion connector and 1 PCI Express expansion connector