Internal Removable
Media
HP 9000 rp7420 Server contains one removable media bay, which will support either a
DVD-ROM or DDS-4 DAT drive. Removable media drives are not hot-plug capable.
DVD-ROM drive provides enhanced features while preserving backward read compatibility
with CD-ROM. Data transfer rates of up to 6.75 MB/s are achieved with the DVD format; 4.8
MB/s can be achieved with the CD format.
DDS-4 drive has a maximum storage capacity of 40 GB with a peak transfer rate of 21.6
GB/hour compressed.
Internal Removable Media Specifications
Product Number
Device
Capacity
Data transfer rate
A9879A
DVD-ROM drive
650 MB
6.75 MB/s
A9878A
DDS-4 tape drive
40 GB
21.6 GB/hour
AB351A
DVD+RW
650 MB
AB351B
DVD+RW (RoHS)
650 MB
AB400A
DAT
72 GB
I/O Configuration Rules
The following table summarizes previously mentioned configuration rules pertaining to usage of
I/O slots and internal peripherals.
Minimum Requirement
Configuration
Minimum Number of Cells
Minimum Number of Core I/Os
>7 I/O card slots or access to both I/O
card bays
2
1
>2 internal disks or access to both pairs
of disks
2
2
1 Internal Removable Media
1
1
2 Hard Partitions
2
2
AC/DC Power
DC Power Supplies
The HP 9000 rp7420 Server comes with two power supplies that provided dual grid (2N)
protection. The hot-swap design allows for the replacement of a failed power supply without
interrupting server operation. All four power cords must be utilized to fully enable power supply hot
swap.
PCI Power Supplies: Each PCI power supply is dedicated to a single I/O bay. A PCI power supply
failure will affect the nPar utilizing that PCI supply and the associated I/O bay. All other nPars will
continue normal operation. PCI power supplies are not hot-swap capable.
AC Power
The HP 9000 rp7420 Server contains four C20 power receptacle ports located at the bottom rear
bulkhead. A minimum of two power cords must be used to maintain normal operation of the HP
9000 rp7420 Server. A second set of two cords can be added to improve system availability by
protecting, for example, against power grid failures, accidentally tripped circuit breakers, or a
failed power supply. The HP 9000 rp7420 Server hardware is capable of receiving AC input from
two different AC power sources. The objective is to maintain full equipment functionality when
operating from power source A and power source B or A alone or B alone. This capability is called
"fault-tolerant power compliance".
Although many HP Integrity rx7620 configurations can be sufficiently powered from a single 16-
/20-amp branch circuit, the optimum configuration is to use one 16-amp (minimum) branch circuit
per power cord. Due to the variety of 16/20 plugs used throughout the world, the HP 9000 rp7420
Server menu offers a choice of plug options.
QuickSpecs
HP 9000 rp7420 Server
Configuration
DA - 11895 U.S. QuickSpecs — Version 24 — 10/1/2006
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