Specifications

Chapter 1. General description 9
Draft Document for Review May 22, 2009 3:10 pm 4405ch01 General description.fm
optional feature (FC 6268). The 7311 Model D20 I/O drawer offers a modular growth path for
systems with increasing I/O requirements. When fully configured with 20 attached
7311 Model D20 drawers, the combined system supports up to 148 PCI-X adapters, 16 PCIe
adapters, and 264 hot-swappable disks. In a full configuration, Remote I/O expansion cards
(FC 1800 - GX Dual Port RIO-2) are required.
PCI-X and PCI cards are inserted into the slots 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
7311 Model D20 I/O drawer physical package
The I/O drawer has the following physical characteristics:
򐂰 Width: 482 mm (19.0 in.)
򐂰 Depth: 610 mm (24.0 in.)
򐂰 Height: 178 mm (7.0 in.)
򐂰 Weight: 45.9 kg (101 lb.)
Figure 1-2 shows the different views of the 7311-D20 I/O drawer.
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).