
HP Integrity rx2600 & rx2620 Internals
4.40 HP Integrity rx2600 & rx2620
4.40.1 Overview
The rx2600 is the rack-designated sibling of the zx6000 workstation. They feature a very similar system
design and casing and can be both mounted in 2U of a 19″ rack. Also based on one or two Itanium 2
processors the rx2600 architecture differs from the zx6000 in that it is targeted for PCI-X I/O devices
and thus does not feature the AGP port of the workstation-oriented zx6000.
The rx2600 was later marketed as rx2600-2.
Time of introduction: 2002-2003 (rx2600)/December 2004 (rx2620) with prices at the time starting at
$7,300 (entry rx2600), $16,000 (average rx2600) to $33,000 (large rx2600).
4.40.2 Internals
CPU
rx2600/rx2600-2
No. CPU Type Clock L1 (I/D) L2 (I/D) L3
1-2 Itanium 2 Deerfield?low-voltage 1.0GHz 16/16KB 256KB 1.5MB
1-2 Itanium 2 Madison 1.3GHz 16/16KB 256KB 3.0MB
1-2 Itanium 2 Madison 1.4GHz 16/16KB 256KB 1.5MB
1-2 Itanium 2 Madison 1.5GHz 16/16KB 256KB 6.0MB
rx2620
No. CPU Type Clock L1 (I/D) L2 (I/D) L3
1-2 Itanium 2 Madison? 1.3GHz 16/16KB 256KB 3.0MB
1-2 Itanium 2 Madison? 1.6GHz 16/16KB 256KB 3.0MB
1-2 Itanium 2 Montecitodual-core 1.4GHz 16/16KB 1024/256KB 12MB
1-2 Itanium 2 Montecitodual-core 1.6GHz 16/16KB 1024/256KB 18MB
All caches are on-die (L1, L2 and L3).
Chipset
The systems are based on HP’s zx1 chipset, which consists of two main components — the MIO (mem-
ory and I/O controller) and the IOAs (I/O adapters):
zx1 MIO (memory and I/O controller) is the main chipset controller and connects the three central
system buses:
1. Processor bus (6.4GB/s at 200MHz DDR)
2. Two independent memory buses (each 4.25GB/s)
3. Eight I/O channels (aggregate 4.0GB/s, via the IOAs, see below)
The zx1 MIO also contains both memory and cache controllers.
Seven zx1 IOAs (I/O adapters) connect the PCI-X slots and I/O devices to the zx1 MIO with an
aggregate bandwidth of 4.0GB/s on eight 0.5GB/s channels
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