Sun-4

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Sun-4 is a series of Unix workstations and servers produced by Sun Microsystems, launched in 1987. The original Sun-4 series were VMEbus-based systems similar to the earlier Sun-3 series, but employing microprocessors based on Sun's own SPARC V7 RISC architecture in place of the 68k family processors of previous Sun models.

Models[edit]

Models are listed in approximately chronological order.

Model Codename CPU board CPU CPU MHz Max. RAM Chassis
4/260 Sunrise Sun 4200 Fujitsu SF9010 IU,
Weitek 1164/1165 FPU
16.67 MHz 128 MB 12-slot VME (deskside)
4/280 Sunrise Sun 4200 Fujitsu SF9010 IU,
Weitek 1164/1165 FPU
16.67 MHz 128 MB 12-slot VME (rackmount)
4/110 Cobra Sun 4100 Fujitsu MB86900 IU,
Weitek 1164/1165 FPU
(optional)
14.28 MHz 32 MB 3-slot VME (desktop/side)
4/150 Cobra Sun 4100 Fujitsu MB86900 IU,
Weitek 1164/1165 FPU
(optional)
14.28 MHz 32 MB 6-slot VME (deskside)
4/310 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 32 MB 3-slot VME (desktop/side)
4/330 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 96 MB 3-slot VME w 2 memory slots (deskside)
4/350 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 224 MB 5-slot VME (desktop/side)
4/360 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 224 MB 12-slot VME (deskside)
4/370 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 224 MB 12-slot VME (deskside)
4/380 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 224 MB 12-slot VME (rackmount)
4/390 Stingray Sun 4300 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
25 MHz 224 MB 16-slot VME (rackmount)
4/470 Sunray Sun 4400 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
33 MHz 768 MB 16-slot VME (deskside)
4/490 Sunray Sun 4400 Cypress Semiconductor CY7C601,
Texas Instruments 8847 FPU
33 MHz 768 MB 12-slot VME (rackmount)

In 1989, Sun dropped the "Sun-4" name for marketing purposes in favor of the SPARCstation and SPARCserver brands for new models, although early SPARCstation/server models were also assigned Sun-4-series model numbers. For example, the SPARCstation 1 was also known as the Sun 4/60. This practice was phased out with the introduction of the SPARCserver 600MP series in 1991. The term Sun-4 continued to be used in an engineering context to identify the basic hardware architecture of all SPARC-based Sun systems.

Sun 4/110, 4/150, 4/260 and 4/280 systems upgraded with the Sun 4300 CPU board (as used in the SPARCserver 300 series) were referred to as the 4/310, 4/350, 4/360 and 4/380 respectively.

Sun-4 architecture[edit]

The Sun-4 architecture refers to the VME-based architecture described above and used in the Sun 4/100, 4/200, SPARCserver 300 and SPARCserver 400 ranges. Sun-4 support was included in SunOS 3.2 onwards and Solaris 2.1 to 2.4. OpenBSD also will run on the Sun-4 architecture families.[1]

Several variations on the Sun-4 architecture were subsequently developed and used in later computer systems produced by Sun and other vendors. These comprised:

Sun-4c
(C presumably for Campus, the codename of the first Sun-4c model, the SPARCstation 1) This desktop workstation/low-end server variant substituted the 32-bit SBus expansion bus in place of VME and introduced a new MMU design. Supported by SunOS 4.0.3c onwards and Solaris 2.0 to 7.
Sun-4e
A hybrid Sun-4c/VME architecture found in the SPARCengine 1 (Sun 4/E) VME embedded controller. This board was originally designed by Force Computers and licensed to Sun. Supported by SunOS 4.0.3e and 4.1e and Solaris 2.1[2] to 2.4.
Sun-4m
Originally a multiprocessor Sun-4 variant, based around the MBus processor module bus introduced in the SPARCserver 600MP series. The Sun-4m architecture later also encompassed non-MBus uniprocessor systems such as the SPARCstation 5, utilizing SPARC V8-architecture processors. Supported by SunOS 4.1.2 onwards and Solaris 2.1 to 9. SPARCserver 600MP support was dropped after Solaris 2.5.1.
Sun-4d
(D for Dragon, the codename of the SPARCcenter 2000) A high-end multiprocessor architecture, based around the XDBus processor interconnect, scalable up to 20 processors. The only Sun-4d systems produced by Sun were the SPARCserver 1000 and SPARCcenter 2000 series. The Cray CS6400 was also nominally a Sun-4d machine (sun4d6), although it required a custom version of Solaris. Supported by Solaris 2.2 to 8.
Sun-4u
(U for UltraSPARC) - this variant introduced the 64-bit SPARC V9 processor architecture and UPA processor interconnect first used in the Sun Ultra series. Supported by 32-bit versions of Solaris from the version 2.5. The first 64-bit Solaris release for Sun4u is Solaris 7. UltraSPARC I support was dropped after Solaris 9. Solaris 10 supports Sun4u implementations from UltraSPARC II to UltraSPARC IV.
Sun-4u1
Sometimes used to identify the Sun Enterprise 10000 (Starfire) 64-way multiprocessor server architecture. The Starfire is supported by Solaris 2.5.1 onwards.
Sun-4us
A variant of Sun-4u specific to Fujitsu PRIMEPOWER systems based on SPARC64 V processors.
Sun-4v
(V presumably for "virtualized") A variation on Sun-4u which includes hypervisor processor virtualization; introduced in the UltraSPARC T1 (Niagara) multicore processor. Supported by Solaris version 10 starting from release 3/05 HW2, and Solaris 11.

References[edit]

  1. ^ http://www.openbsd.org/sparc.html
  2. ^ McLaughlin, John (November 1992). "SunFLASH Vol 47 #26". Retrieved 2009-03-26. 

External links[edit]