Ultra 80

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A Sun Ultra 80 workstation Sun Ultra 80.jpg
A Sun Ultra 80 workstation

The Sun Microsystems Ultra 80 is a computer workstation that shipped from November 1999 to 2002.

Sun Microsystems defunct computer hardware and software company which was based in Santa Clara

Sun Microsystems, Inc. was an American company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), and SPARC. Sun contributed significantly to the evolution of several key computing technologies, among them Unix, RISC processors, thin client computing, and virtualized computing. Sun was founded on February 24, 1982. At its height, the Sun headquarters were in Santa Clara, California, on the former west campus of the Agnews Developmental Center.


Its enclosure is a fairly large (445 mm (17.5 in) high, 255 mm (10.0 in) wide and 602 mm (23.7 in) deep) and heavy (29.5 kg (65 lb)) tower design. At launch, it shipped with Solaris 2.5.1, and was available in a variety of different configurations, with one (model 1450), two (model 2450) or four (model 4450) 64-bit UltraSPARC II CPUs and up to 4 GB of RAM. When released, the Ultra 80 was Sun's highest performance workstation.

Solaris (operating system) Unix operating system originally developed by Sun Microsystems

Solaris is a Unix operating system originally developed by Sun Microsystems. It superseded their earlier SunOS in 1993. In 2010, after the Sun acquisition by Oracle, it was renamed Oracle Solaris.


The UltraSPARC II, code-named "Blackbird", is a microprocessor implementation of the SPARC V9 instruction set architecture (ISA) developed by Sun Microsystems. Marc Tremblay was the chief architect. Introduced in 1997, it was further development of the UltraSPARC operating at higher clock frequencies of 250 MHz, eventually reaching 650 MHz.

Central processing unit electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions

A central processing unit (CPU), also called a central processor or main processor, is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions. The computer industry has used the term "central processing unit" at least since the early 1960s. Traditionally, the term "CPU" refers to a processor, more specifically to its processing unit and control unit (CU), distinguishing these core elements of a computer from external components such as main memory and I/O circuitry.

The Ultra 80 is similar to the lower-cost Sun Ultra 60, but is somewhat larger and supports more CPUs and memory. Although it was designed as a workstation rather than a server, it may be rack mounted using an optional kit. [1] The Enterprise 420R is a server product based on the Ultra 80 motherboard in a specialized rack-mountable chassis, with custom power supplies and other parts more appropriate for server applications.

The last order date for the Ultra 80 was July 2002 and the last model stopped shipping in October 2002. The later Ultra 45, introduced in 2006, supports a maximum of two CPUs, rather than the four of the Ultra 80.

Operating system

The Ultra 80 shipped with Solaris 2.5.1, and is capable running later versions of Solaris through Solaris 10 (Oracle Solaris 11 dropped support for UltraSPARC II, III and IV processors), as well as Linux and various other UNIX operating systems.[ citation needed ] The Ultra 80 cannot run Microsoft Windows directly, although an internal PCI card (SunPCi II pro and similar) from Sun could be fitted to allow the use of Windows.


SunPCi is a series of Single Board Computers with a PCI connector that adds hardware which enables Sun workstations to act as an 'PC compatible' computer. It includes an x86 processor, RAM, expansion ports, and an onboard graphics controller, allowing complete x86 operating environments on Sun Workstations. Its present incarnation is the SunPCi IIIPro based on a Mobile 1.6-GHz AMD Athlon XP 2100+ processor. These cards are the successor to the SunPC series of SBus cards.

Hardware specifications and notes

Full specifications can be found on the Sun web site. [2]


Although only sold with either one, two, or four CPUs, the use of three CPUs is a supported configuration. The CPUs run at 450 MHz and have 16-KB data and 16-KB instruction cache on chip with a secondary 4-MB external cache. The X1195A is the part number of one of the CPUs. Each CPU has an integrated floating point processor.


The Ultra 80 uses 144-pin 5V 60-ns DIMM memory modules of either 64 or 256 MB, which should be installed in sets of four identical DIMMs. There are 16 DIMM sockets, so it is possible to fit up to 4 GB with 16 256 MB modules. The memory bus is 576 bits wide; 512 bits are used for data and 64 bits for error correction. The specifications list a maximum throughput of 1.78-GB/s. [2] Performance is improved if 2-way interleaving is used (giving 512 MB or 2 GB) and maximum performance is achieved with 4-way interleaving, in which case all 16 memory slots would be used, providing the machine with 1 GB or 4 GB of RAM.

Half of the Ultra 80's memory must be fitted on the motherboard and the other half on a memory riser board. Care is needed in handling the memory riser board, as the connector is not designed for repeated use. It must be tightened using a torque wrench supplied with the Ultra 80, as detailed in the service manual. [3]

Internal storage

The Ultra 80 takes one or two 1" high SCA SCSI disk drives internally. It was sold with 18.2-GB or 36.4-GB disks, but can in practice use any SCA disk. The internal disks must be mounted in a carrier or spud-bracket (Sun part number 540-3024). The SCSI IDs of the internal disks are 0 and 3. These are set by the SCA backplane and cannot be changed.

An optional 1.44 MB 3.5" MS-DOS/IBM compatible floppy drive can be fitted. The Ultra 80 could be purchased new with an optional 12/24 GB (native/compressed) DDS-3 tape drive, but will work with a DDS-4 drive, and probably larger tape drives. An optional 644 MB SunCD 32X-speed, Photo CD compatible CD-ROM drive or an optional 10X DVD-ROM could be specified as well. 3rd-party rewritable CD-ROM drives could also be used..

PCI and UPA slots

The Ultra 80 has four full-size slots compliant with PCI specification version 2.1:

Some systems might be inoperable if a PCI 2.2 card is installed.


There are two UPA graphics slots running at 112 MHz, supporting one or two Elite3D m3 and/or Elite3D m6 graphics options. The popular Creator3D framebuffer is not supported, but will usually (but not always) work. Some Ultra 80s were sold with the PGX32 framebuffer, even though its low performance made it more appropriate for use in server rather than workstation applications. Although not sold with the Ultra 80s, the later XVR series framebuffers also work, as do the Expert3D series.


The Sun Ultra 80 is fitted with a dual channel Ultra-3 SCSI controller. The speed is 40 MB/s. One controller (c0) is used for the internal disk(s) and CD-ROM, DVD-ROM and tape. The second channel (c1) is used for the external 68-pin Ultra wide SCSI connector on the rear of the Ultra 80.

Input and output connectors

The Sun Ultra 80 has

1 Gb/s Ethernet can be used with the optional Sun X1141A Ethernet card. [4] USB is not officially supported, but various USB boards for PCs have been known to work with Linux and Solaris. [5]

Power consumption

Maximum power consumption is documented as 380W; [2] the components list specifies a Sony 670W 12A power supply (Sun part number 300-1357). [6]

Construction quality

The Ultra 80 is a well-built workstation. It does not use cheap mass-produced commodity PC parts like some of Sun's Ultra workstations such as the Ultra 5 and Ultra 10. It is very well cooled, suffering none of the overheating problems of Sun's previous quad-processor machine, the SPARCstation 20.[ citation needed ]


Support for the Ultra 80 ended in October 2007.[ citation needed ] In addition to official support, knowledgeable people, (often Sun employees), are regular visitors to the comp.unix.solaris, comp.sys.sun.hardware and comp.sys.sun.admin Usenet newsgroups.


The Sun Ultra 80 Workstation - Just The Facts guide, gives the following data for the well known SPECint 95 and SPECfp 95 benchmarks, although a search of the web site of the Standard Performance Evaluation Corporation (SPEC) does not show these figures. SPEC ceased use of the benchmark before the Ultra 80 was released, so the last results submitted to their web site are in the 3rd quarter of 1998, a little over a year before the Ultra 80 was released in November 1999.

Benchmarks for Sun Ultra 80 (from Sun, not SPEC)
Model 1450 (one CPU) Model 2450 (two CPUs) Model 4450 (four CPUs)
SPECint 95 19.7 19.7 19.7
SPECfp 9527.936.144.6

A number of results for the less-commonly-used SPECfp_rate95 and SPECfp_rate_base95 benchmarks can be found on the SPEC web site and are given below.

Benchmarks for Sun Ultra 80 take from the SPEC web site
Model 1450 (one CPU) Model 2450 (two CPUs) Model 4450 (four CPUs)
SPECfp_rate95 233 455 799
SPECfp_rate_base95 211 401 690

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