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參數(shù)資料
| 型號(hào)： | PEX8532-BCRDK |
| 廠商： | PLX Technology, Inc. |
| 英文描述： | Flexible & Versatile PCI Express⑩ Switch |
| 中文描述： | 柔性 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 527K |
| 代理商： | PEX8532-BCRDK |
Graphics Fan-out Switch
The number and variety of PCI Express native-mode devices
is growing quickly. The devices such as graphics cards are
expected to become mainstream very rapidly. As that happens,
it will be necessary to take a wide (x16) graphics port on the
root complex device and fan it out to four x4 or two x8 ports.
Figure 3. Graphics Fan-out
Dual Host Model
The ExpressLane PEX 8532 supports applications requiring
dual host
,
host failover
, and
load-sharing
applications
through the
non-transparency
feature. Figure 4 illustrates a
dual host system using an intelligent adapter card.
Figure 4. Dual Host Usage
In this figure, the
primary
CPU (on the right) is the active
host; it configures and enumerates the system, and handles
interrupts and error conditions. If the primary host ceases
proper operation, the secondary host takes over the system.
The PEX 8532 can
dynamically re-assign
both the
upstream
port (from primary to secondary) and the
non-transparent
port (from the secondary to the primary), and allow the system
to continue operation.
Dual Fabric Model
High performance
communications, storage,
and
blade
server
systems often require more reliability than a single host
system provides. For these
high availability
systems, all
single points of failure must be eliminated. The ExpressLane
PEX 8532 can offer this additional level of redundancy by
linking together 2 switch fabric cards in a
dual-star
topology.
Figure 5 shows an example of such a system. In this system,
both the host and fabric are on separate cards, and both can be
active simultaneously. The unique
non-transparency
feature
of the PEX 8532 is used to allow one fabric/host card to be the
primary and the other to be the secondary.
This approach can be used to provide more than two active
processing nodes. It is straightforward to create a
generalized
multiprocessor system
with smaller ExpressLane switches on
each card in non-transparent mode, and several PEX 8532
fabric cards to provide the fabric backbone.
Figure 5. Dual Host & Fabric Usage
Switch Fabric Module
The ExpressLane PEX 8532 can also be used in Blade Server
switch fabric applications. Figure 6 illustrate the use of PEX
8532 in a Benes Switch configuration. The non-transparency
and peer-to-peer functions of PEX 8532 enable use of fewer
total switching elements and less hops from source to
destination.
Figure 6. Benes Switch Fabric
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PEX8632 | PCIe Gen2, 5.0GT/s 32-lane, 12-port Switch |
| PEX8632-AA50BCG | PCIe Gen2, 5.0GT/s 32-lane, 12-port Switch |
| PEX8632-AARDK | PCIe Gen2, 5.0GT/s 32-lane, 12-port Switch |
| PEX8648 | PCIe Gen2, 5.0GT/s 48-lane, 12-port PCIe Switch |
| PEX8648-AA50BCG | PCIe Gen2, 5.0GT/s 48-lane, 12-port PCIe Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PEX8532RDK-16 | 功能描述:界面開(kāi)發(fā)工具 PEX8532 KIT RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| PEX8533 | 制造商:PLX 制造商全稱:PLX 功能描述:Flexible & Versatile PCI Express? Switch |
| PEX8533-AA25BI | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 32 Lane 6 Port PCI Express Switch RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PEX8533-AA25BIG | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 32 Lane 6 Port PCI Express Switch RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PEX8533-AARDK | 功能描述:界面開(kāi)發(fā)工具 Rapid Dev Kit For PEX 8533 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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