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60/150 GB 16-bit 8 mm Internal Tape Drive, FC 6134
36/72 GB 4 mm Internal Tape Drive, FC 6258
1.3.4 USB diskette drive
For today's administration tasks, an internal diskette drive is not state-of-the-art. In some
situations, the external USB 1.44 MB diskette drive for p5-550 systems (FC 2591) is helpful.
This super-slim-line and lightweight USB V2 attached diskette drive takes its power
requirements from the USB port. A USB cable is provided. The drive can be attached to the
integrated USB ports, or to a USB adapter (FC 2738). A maximum of one USB diskette drive
is supported per integrated controller/adapter. The same controller can share a USB mouse
and keyboard.
1.3.5 I/O drawers
The p5-550 has five internal PCI-X slots, where four of them are long slots and one is a short
slot. If more PCI-X slots are needed, especially well-suited to extend the number of LPARs
and Micro-Partitions, up to eight Model 7311 Model D20 I/O drawers can be attached to the
rack-mount p5-550 system. Up to four Model D20 drawers can be connected to the two RIO-2
ports on the rear of the system that are provided in a minimum configuration. An additional
four Model D20s can be connected by ordering the Remote I/O expansion card (FC 1806). It
provides two RIO-2 ports located on a interposer card that occupies the short PCI-X slot.
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 p5-550 system with increasing I/O requirements. When a p5-550 is fully configured with
eight attached 7311 Model D20 drawers, the combined system supports up to 61 PCI-X
adapters (in a full configuration, Remote I/O expansion cards are required) and
104 hot-swappable SCSI disks.
PCI-X and PCI cards are inserted from the top of the I/O drawer down into the slot. The
installed adapters are protected by plastic separators, 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 volt, keyed, 133 MHz hot-pluggable
Two 6-pack hot-swappable SCSI devices
Optional redundant hot-plug power
Two RIO-2 ports 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).
7311 Model D20 I/O drawer physical package
The I/O drawer has the following physical characteristics:
Width: 482 mm (19.0 inches)
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p5-550 Technical Overview and Introduction
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