Series The MicroVAX 3100 Series was introduced in 1987. These systems were all packaged in desktop enclosures. MicroVAX 3100 Model 10 Teammate II KA41-A, CVAX, 11.11 MHz (90 ns) MicroVAX 3100 Model 10e Teammate II KA41-D, CVAX+, 16.67 MHz (60 ns) 32 MB of memory maximum. MicroVAX 3100 Model 20 Teammate II KA41-A, CVAX, 11.11 MHz (90 ns) A Model 10 in larger enclosure. MicroVAX 3100 Model 20e Teammate II KA41-D, CVAX+, 16.67 MHz (60 ns) A Model 10e in larger enclosure. MicroVAX 3100 Model 30 Waverley/S Entry-level model, developed in Ayr, Scotland Introduced: 12 October 1993 KA45, SOC, 25 MHz (40 ns) 32 MB of memory maximum. MicroVAX 3100 Model 40 Waverley/S Entry-level model, developed in Ayr, Scotland Introduced: 12 October 1993 KA45, SOC, 25 MHz (40 ns) 8 to 32 MB of memory A Model 30 in larger enclosure. MicroVAX 3100 Model 80 Waverley/M Entry-level model, developed in Ayr, Scotland Introduced: 12 October 1993 KA47, Mariah, 50 MHz (20 ns), 256 KB external cache 72 MB of memory maximum. MicroVAX 3100 Model 85 Waverley/M+ Introduced: August 1994 KA55, NVAX, 62.5 MHz (16 ns), 128 KB external cache 16 to 128 MB of memory. MicroVAX 3100 Model 88 Waverley/M+ Introduced: 8 October 1996 Last order date: 30 September 2000 Last ship date: 31 December 2000 KA58, NVAX, 62.5 MHz (16 ns), 128 KB external cache 64 to 512 MB of memory. MicroVAX 3100 Model 90 Cheetah Introduced: 12 October 1993 Identical to the VAX 4000 Model 100, but uses SCSI instead of DSSI KA50, NVAX, 72 MHz (14 ns), 128 KB external cache 128 MB of memory maximum. MicroVAX 3100 Model 95 Cheetah+ Introduced: 12 April 1994 Processor: KA51, NVAX, 83.34 MHz (12 ns), 512 KB external cache. MicroVAX 3100 Model 96 Cheetah++ KA56, NVAX, 100 MHz (10 ns) 16 to 128 MB of memory. MicroVAX 3100 Model 98 Cheetah++ Introduced: 8 October 1996 Last order date: 30 September 2000 Last ship date: 31 December 2000 KA59, NVAX, 100 MHz (10 ns), 512 KB external cache. InfoServer 100/150/1000 General purpose storage server (disk, CD-ROM, tape and MOP boot server) related to MicroVAX 3100 Model 10, running custom firmware, KA41-C CPU. Mayfair MicroVAX 3500 and MicroVAX 3600 The MicroVAX 3500 and MicroVAX 3600, code-named Mayfair, were introduced in September 1987 and were meant to be the higher end complement of the MicroVAX family. These new machines featured more than three