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'Sun-4' was the name given to a series of Unix computer 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 are listed in approximately chronological order.
In 1989, Sun dropped the "Sun-4" name for marketing purposes in favor of the SPARCstation and SPARCserver brands for new models. However, early SPARCstation/server models were also assigned Sun-4-series model numbers (eg. the SPARCstation 1 was also known as the Sun 4/60). This practice was phased out with the introduction of the SPARCstation 10 in 1992. 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.
The Sun-4 architecture ''per se'' refers to the VME-based architecture described above and used in the 4/100, 4/200, SPARCserver 300 and SPARCserver 400 ranges. Sun-4 support was included in SunOS 4.0 onwards and Solaris 2.1 to 2.4.
Several variations on the Sun-4 architecture were subsequently developed:
★ '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 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': this variant introduced the 64-bit UltraSPARC (SPARC V9) processor architecture and UPA processor interconnect first used in the Sun Ultra series. Supported by Solaris 2.5 onwards. UltraSPARC I support was dropped after Solaris 9.
★ 'Sun-4u1': Sometimes used to identify the Enterprise 10000 (''Starfire'') 64-way multiprocessor server architecture. The ''Starfire'' is supported by Solaris 2.5.1 onwards.
★ 'Sun-4v' (''V'' presumably for "virtualized"): this is a variation on Sun-4u which includes hypervisor processor virtualization; introduced in the UltraSPARC T1 (''Niagara'') multicore processor. Supported by Solaris 10 3/05 HW2 onwards.
★ Sun Microsystems
★ SPARCstation
★ The Sun Hardware Reference, Part 1
★ Sun Field Engineer Handbook, 20th edition
| Contents |
| Sun-4 models |
| Variants |
| See also |
| External links |
Sun-4 models
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 CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 32 MB | 3-slot VME (desktop/side) |
| '4/330' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 96 MB | 3-slot VME w 2 memory slots (deskside) |
| '4/350' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 224 MB | 5-slot VME (desktop/side) |
| '4/360' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 224 MB | 12-slot VME (deskside) |
| '4/370' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 224 MB | 12-slot VME (deskside) |
| '4/380' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, Texas Instruments 8847 FPU | 25 MHz | 224 MB | 12-slot VME (rackmount) |
| '4/390' | Stingray | Sun 4300 | Cypress Semiconductor CYC7C601, 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. However, early SPARCstation/server models were also assigned Sun-4-series model numbers (eg. the SPARCstation 1 was also known as the Sun 4/60). This practice was phased out with the introduction of the SPARCstation 10 in 1992. 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.
Variants
The Sun-4 architecture ''per se'' refers to the VME-based architecture described above and used in the 4/100, 4/200, SPARCserver 300 and SPARCserver 400 ranges. Sun-4 support was included in SunOS 4.0 onwards and Solaris 2.1 to 2.4.
Several variations on the Sun-4 architecture were subsequently developed:
★ '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 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': this variant introduced the 64-bit UltraSPARC (SPARC V9) processor architecture and UPA processor interconnect first used in the Sun Ultra series. Supported by Solaris 2.5 onwards. UltraSPARC I support was dropped after Solaris 9.
★ 'Sun-4u1': Sometimes used to identify the Enterprise 10000 (''Starfire'') 64-way multiprocessor server architecture. The ''Starfire'' is supported by Solaris 2.5.1 onwards.
★ 'Sun-4v' (''V'' presumably for "virtualized"): this is a variation on Sun-4u which includes hypervisor processor virtualization; introduced in the UltraSPARC T1 (''Niagara'') multicore processor. Supported by Solaris 10 3/05 HW2 onwards.
See also
★ Sun Microsystems
★ SPARCstation
External links
★ The Sun Hardware Reference, Part 1
★ Sun Field Engineer Handbook, 20th edition
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