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Level 01f
Flash Express (FC 0402)
Flash Express (FC 0402) provides a special programming interface to move data between the Flash
Express and host DRAM. It enables z/OS to access blocks of flash storage as storage locations in a logical
partition. The Flash Express card is designed to help improve availability and performance.
You can order Flash Express in increments of two, up to a maximum of eight 8 features.
Each pair of Flash Express features requires interconnect cabling and specific plugging rules to manage
the pairing.
Flash Express (FC 0402) can only be installed in a PCIe I/O drawers
FC 0402
Flash Express
FRU
P1
J01
P1
J02
P2
P2
58C1
Native PCIe adapters
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The 10GbE RoCE Express and zEDC Express features utilize industry standard PCIe adapters (called
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native PCIe adapters). The adaptation layer and the associated ASIC (both of which are part of the
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FICON, OSA, OSC, Crypto, and Flash features) are no longer needed with 10GbE RoCE Express or zEDC
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Express. With the elimination of the adaptation layer, the 10GbE RoCE Express and zEDC Express
features are designed to offer significant performance. They physically plug into a mother card that
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provides Vital Product Data (VPD) and hot-plug capability. The features then plug into the PCIe I/O
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drawer.
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Table 39 lists the current supported native PCIe adapters.
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Table 39. Native PCIe adapter feature codes
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Feature code
Description
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FC 0411
10GbE RoCE Express
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FC 0420
zEDC Express
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These native cards do not have CHPID assignments. They have Virtual Functions (VFs) that are defined
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in IOCP/HCD. PCHIDs are still applicable with native cards. These cards can only be plugged into a
PCIe I/O drawer.
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110
zEC12 IMPP
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