
Chapter 2. General description 19
integrated L2 cache soldered directly to the system planar board. Additionally
there is a 32MB L3 cache that is integrated into each of the DCM modules. The
JS23 is contained in a single wide package.
Table 2-12 shows the JS23 configuration options.
Table 2-12 JS23 standard configuration
Figure 2-1 on page 19 shows the physical layout of the JS23 blade including
memory slots, disk, and the expansion option connectors.
Figure 2-1 JS23 Blade physical layout
7778-23X Processor L2/L3 Memory Ethernet Disk
#7778-23X 2-socket,
4-core,
4.2 GHz,
POWER6
L2 - 4 MB
per core
L3 32MB
per DCM
4 GB -
64 GB
Dual
Gigabit
73,146 or
300GB SAS
or 69GB SSD
Expansion Unit Connector
Operator Panel Connector
Memory DIMM
Locations 5-8
Disk Drive
SAS or SSD
PCI Expansion adapter card connector
Management card
connector
Time of Day (TOD)
Battery – 3V lithium
IXe Expansion
Adapter card
connector
Memory DIMM
Locations 1-4
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