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Chapter 1. General description 9
7311 Model D11 I/O drawer
The 7311 Model D11 I/O drawer is very similar to the 7311 Model D10, except that it features
six long PCI-X slots and uses an improved blind-swap cassette design. Only the improved
blind-swap cassettes are supported (FC 7862, for full-sized PCI cards), so the previous
release of blind-swap cassettes, which were used in the 7311 Model D10 I/O drawer, are not
supported.
Two 7311 Model D11 I/O drawers or two 7311 Model D10 I/O drawers fit side-by-side in the
4U enclosure (FC 7311) mounted in a 19-inch rack, such as the IBM 7014-T00 or 7014-T42.
The 7311 Model D11 I/O drawer offers a modular growth path for the p5-570 systems with
increasing I/O requirements. A fully configured p5-570 supports 20 attached 7311 Model D11
I/O drawers. The combined system supports up to 144 PCI-X adapters. (In full configuration,
Remote I/O expansion cards are required.)
The I/O drawer has the following attributes:
4U rack-mount enclosure (FC 7311) that can hold one or two D11 drawers
Six PCI-X slots: 3.3 V, keyed, 133 MHz blind-swap hot-plug
Default redundant hot-plug power and cooling devices
Two RIO-2 and two SPCN ports
7311 Model D11 I/O drawer physical package
The I/O drawer enclosure has the same physical characteristics of the 7311 Model D10 I/O
drawer; therefore the width, depth, height and weight dimensions are the same as described
in “7311 Model D10 I/O drawer physical package” on page 8.
7311 Model D20 I/O drawer
The 7311 Model D20 I/O drawer is a 4U full-size drawer, which must be mounted in a rack. It
features seven hot-pluggable PCI-X slots and optionally up to 12 hot-swappable disks
arranged in two 6-packs. Redundant concurrently maintainable power and cooling is an
optional feature (FC 6268). The 7311 Model D20 I/O drawer offers a modular growth path for
the p5-570 systems with increasing I/O requirements. When a p5-570 is fully configured with
20 attached 7311 Model D20 drawers, the combined system supports up to 164 PCI-X
adapters (in full configuration, a Remote I/O expansion card must be present, and 264
hot-swappable disks, for a total internal storage capacity of 38.7 TB using the 146.8 GB drive.
PCI-X and PCI cards are inserted into the slot from the top of the I/O drawer. The installed
adapters are protected by plastic separators, which are designed to prevent grounding and
damage when adding or removing adapters.
The drawer has the following attributes:
4U rack mount enclosure assembly
Seven PCI-X slots: 3.3 V, keyed, 133 MHz hot-plug
Two 6-pack hot-swappable SCSI devices
Optional redundant hot-plug power
Two RIO-2 and two SPCN ports
Note: The 7311 Model D20 I/O drawer initial order, or an existing 7311 Model D20 I/O
drawer that is migrated from another pSeries system, must have the RIO-2 ports available
(FC 6417).