The IBM eServer BladeCenter JS20 - IBM Redbooks
The IBM eServer BladeCenter JS20 - IBM Redbooks
The IBM eServer BladeCenter JS20 - IBM Redbooks
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<strong>The</strong> architecture of the <strong>BladeCenter</strong> <strong>JS20</strong> is illustrated by the diagram in<br />
Figure 2-7.<br />
PowerPC<br />
970<br />
or<br />
970FX<br />
6.4 GBps<br />
or<br />
8.8 GBps<br />
PowerPC<br />
970<br />
or<br />
970FX<br />
Memory Controller and Host I/O Bridge<br />
(Northbridge)<br />
HyperTransport PCI-X Tunnel<br />
HyperTransport I/O Hub<br />
IDE Controller<br />
IDE<br />
Disk<br />
IDE<br />
Disk<br />
1.6 GBps<br />
800 MBps<br />
6.4 GBps<br />
or<br />
8.8 GBps<br />
5.3 GBps<br />
Real Time<br />
Clock<br />
1.06 GBps<br />
1.06 GBps<br />
USB<br />
Controllers<br />
Super I/O<br />
Figure 2-7 <strong>BladeCenter</strong> <strong>JS20</strong> block diagram<br />
UART<br />
BSMP<br />
PC2700 ECC<br />
Memory Modules<br />
Gigabit<br />
Ethernet<br />
Controller<br />
Expansion Card<br />
Boot<br />
FLASH<br />
NVRAM<br />
Chassis<br />
Midplanes<br />
<strong>The</strong> <strong>BladeCenter</strong> <strong>JS20</strong> includes both base features and a range of optional<br />
features. We describe each of these in the sections that follow.<br />
Chapter 2. Hardware components 23
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