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Chapter 2. Architecture and technical overview 33
Figure 2-10 Conceptual diagram of the 7311-D10 I/O drawer
7311 Model D10 features
This I/O drawer model provides the following features:
Six adapters slots:
– Five hot-plug 64-bit 133 MHz 3.3 V PCI-X slots, full length, blind-swap cassette
– One hot-plug 64-bit 33 MHz 5 V PCI slot, full length, blind-swap cassette
Default redundant hot-plug power and cooling
Two default Remote I/O ports and two SPCN ports
7311 Model D11 features
This I/O drawer model provides the following features:
Six hot-plug 64-bit, 133 MHz, 3.3 V PCI-X slots, full length, enhanced blind-swap cassette
Default redundant hot-plug power and cooling
Two default remote (RIO-2) ports and two SPCN ports
2.7.3 7311 Model D20 I/O drawer
The 7311 Model D20 I/O drawer must have the RIO-2 loop adapter (FC 6417) to be
connected to the p5-570 system. The PCI-X host bridge inside the I/O drawer provides two
primary 64-bit PCI-X buses running at 133 MHz. Therefore, a maximum bandwidth of 1 GBps
is provided by each of the buses. To avoid overloading an I/O drawer, follow the
recommendation in the IBM Sserver Hardware Information Center at:
http://publib16.boulder.ibm.com/pseries/en_US/infocenter/base/
Figure 2-11 shows a conceptual diagram of the 7311 Model D20 I/O drawer subsystem.
Note: The 7311-D10 must have the RIO- 2 loop adapter (FC 6438) to be supported by a
p5-570 system.
RIO 2
133 MHz,
64-bit PCI-X
PCI-X Bridge
13
PCI-X Host
Bridge
2
133 MHz, 64-bit PCI-X
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5V
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3
PCI-X Bridge
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