HP Integrity rx2600 and rx2620

Quick Facts
Introduced	2003-2004
Period	Decline (IV)
CPU	1-2 Itanium 2 1.0-1.6 GHz
Caches	32 KB L1 256 KB-1.25 MB L2 1.5-18 MB L3
RAM	24 GB (rx2600) 32 GB (rx2620)
Design	zx1
Drives	3 SCSI 1 IDE
Expansion	4 PCI-X 64/133
Bandwidth	CPU 6.4 GB/s Mem 8.5 GB/s I/O 4.0 GB/s
I/O	GigE 10/100E VGA SCSI 4 USB 2 serial MGMT

The rx2600 is a rack-mountable HP Itanium workstation based on the zx6000 workstation. Both have a similar system design and can be mounted in 2U in 19″ racks. The rx2600 supports up to two Itanium 2 processors and is targeted for PCI-X devices and thus does not feature the AGP port of the workstation-oriented zx6000.

The rx2600 was later marketed as rx2600-2.

System architecture

Processors

rx2600/rx2600-2

No.	CPU Type	Clock	L1 (Instruction/Data)	L2 (Instruction/Data)	L3
1-2	Itanium 2 Deerfield? low-voltage	1.0 GHz	16/16 KB	256 KB	1.5 MB
1-2	Itanium 2 Madison	1.3 GHz	16/16 KB	256 KB	3.0 MB
1-2	Itanium 2 Madison	1.4 GHz	16/16 KB	256 KB	1.5 MB
1-2	Itanium 2 Madison	1.5 GHz	16/16 KB	256 KB	6.0 MB

rx2620

No.	CPU Type	Clock	L1 (Instruction/Data)	L2 (Instruction/Data)	L3
1-2	Itanium 2 Madison?	1.3 GHz	16/16 KB	256 KB	3.0 MB
1-2	Itanium 2 Madison?	1.6 GHz	16/16 KB	256 KB	3.0 MB
1-2	Itanium 2 Montecito dual-core	1.4 GHz	16/16 KB	1024/256 KB	12 MB
1-2	Itanium 2 Montecito dual-core	1.6 GHz	16/16 KB	1024/256 KB	18 MB

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 (memory and I/O controller) and the IOAs (I/O adapters):

Pluto zx1 MIO (memory and I/O controller) is the main chipset controller and connects the three central system buses:
1. Processor bus (6.4 GB/s at 200 MHz DDR)
2. Two independent memory buses (each 4.25 GB/s)
3. Eight I/O channels (aggregate 4.0 GB/s, via the IOAs, see below)
The zx1 MIO also contains both memory and cache controllers.
Seven Mercury zx1 IOAs (I/O adapters) connect the PCI-X slots and I/O devices to the zx1 MIO with an aggregate bandwidth of 4.0 GB/s on eight 0.5 GB/s channels
1. PCI-X 64/133 I/O slot on two channels — 1.0 GB/s
2. PCI-X 64/133 I/O slot on one channel — 0.5 GB/s
3. PCI-X 64/133 I/O slot on one channel — 0.5 GB/s
4. PCI-X 64/133 I/O slot on one channel — 0.5 GB/s
5. Core I/O: IDE, USB, serial, (rx2600 only: Fast-Ethernet LAN) in a PCI 64/133 slot on one channel — 0.5 GB/s
6. Core I/O: Gigabit Ethernet and Ultra320 SCSI (on rx2620 there are each two Gigabit Ethernet and SCSI controllers) in a PCI 64/133 slot on one channel — 0.5 GB/s
7. Management: Ethernet LAN, VGA, serial in a PCI 64/133 slot on one channel — 0.5 GB/s

The rest are standard third-party I/O chips:

Gigabit Ethernet (Broadcom 5701)
Two-channel Ultra320 SCSI controller (LSI 53C1030)
Ultra ATA-100 IDE controller (PCI649)
Serial controller, DUART (16550A-compatible)
10/100 Ethernet for management (Intel 82550)
Management processor card included by default (ECI card) — includes serial/ remote management and VGA
Radeon VGA graphics
EHCI USB controller
Processor Dependent Hardware (PDH) Controller
FPGA controller for ACPI (2.0) and LPC
Baseboard Management Controller for IPMI management interface (the BMC is a ARM7 RISC processor)

System buses

Itanium 2/zx1 processor bus 6.4 GB/s at 200 MHz DDR
Two independent zx1 memory buses, 266 MHz, each 4.25 GB/s — aggregate 8.5 GB/s memory bandwidth
Eight zx1 I/O channels/buses, aggregate 4.0 GB/s
Four PCI-X 64/133 I/O buses for expansion cards
Three PCI-X 64/133 I/O buses for Core I/O cards (SCSI, networking, etc.)
Two SCSI-3 Ultra320 (LVD) storage I/O buses
UltraATA-100 IDE storage I/O bus

Memory

PC2100 ECC DDR CL2 SDRAM DIMMs
rx2600: up to 2 GB modules
rx2620: up to 4 GB modules
Twelve slots
DIMMs must be installed in quads
1 GB minimum (4×256 MB)
rx2600: 24 GB maximum (12×2 GB)
rx2620: 32 GB maximum (8×4 GB — the remaining four slots cannot be used)
8.5 GB/s memory bandwidth

Expansion slots

Four PCI-X 64-bit/133 MHz slots, full-length
All PCI slots are 3.3 V

Storage

Three internal 3.5″ bays for Ultra320 SCSI SCA 80-pin hard drives, hot-plug; drives 1 and 2 are on one SCSI channel, drive 3 on the second SCSI channel
Slimline bay for optional IDE CD or DVD drive

External ports

rx2600: Gigabit Ethernet, TP/RJ45
rx2620: Dual-Port Gigabit Ethernet, TP/RJ45
10/100 Ethernet, TP/RJ45 management network (on management processor card)
VGA graphics
Ultra320 SCSI 68-pin
25-pin serial for management processor card, needs break-out cable for three serial ports
Four USB 2.0 ports
Two serial RS232C DB9

Operating systems

rx2600: HP-UX 11i v1.6, 11i v2 and 11i v3
rx2620: HP-UX 11i v2 and 11i v3
Linux for Itanium
Windows Server 2003 64-bit
OpenVMS

Benchmarks

Model	SPEC2000, int	SPEC2000, fp	SPEC2000 rate, int	SPEC2000 rate, fp
rx2600 900 MHz 1.5 MB	674	1151	7.8 2-CPU: 15.5	2-CPU:
rx2600 1.0 GHz 3.0 MB	810	1427	9.4 2-CPU: 18.7	2-CPU:
rx2600 1.3 GHz 3.0 MB	1073	1808	12.4 2-CPU: 24.8	2-CPU:
rx2600 1.5 GHz 6.0 MB	1408	2119	15.3 2-CPU: 30.5	2-CPU:
rx2620-2 1.3Hz 3.0 MB	1170	2229	13.6 2-CPU: 26.9	15.9 2-CPU: 27.7
rx2620-2 1.6Hz 3.0 MB	1408	2553	16.3 2-CPU: 32.3	29.6 2-CPU: 48.5
rx2620-2 1.6Hz 6.0 MB	1535	2675	17.8 2-CPU: 35.5	31.0 2-CPU: 51.5

Dimensions

Model	Height	Width	Depth	Weight
Tower	495mm	297mm	673mm	25kg
Rack-mounted	2U	482mm	680mm	22kg

References

Manuals

Operation and Maintenance Guide HP Integrity rx2600 server and HP workstation zx6000 (PDF) Hewlett-Packard Development Company (September 2003, second edition)
HPE Integrity rx2620 Server User Service Guide (PDF) Hewlett-Packard Enterprise (2015)
Overview of the HP Integrity rx1620, rx2620, and rx4640 Servers (URL gone)
Overview of the HP Integrity rx2600, rx4640, and rx5670 servers technical whitepaper (URL gone)

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