Difference between revisions of "MicroVMS"
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| − | VMS | + | ==VMS/MicroVMS== |
| − | { | + | What is the difference between MicroVMS and VMS? |
| + | |||
| + | MicroVMS is a special "downsized" version of [[VMS]] V4.x for the (at that time) new [[MicroVAX]]/[[VAXstation]] models. | ||
| + | There were no other MicroVMS versions, neither before nor after VMS V4.x. | ||
| + | The very first version of MicroVMS for the MicroVAX I was named MicroVMS V1.0, which sometimes leads to confusion. | ||
| + | MicroVMS V1.0 is probably a kind of pre-release MicroVMS V4.0. | ||
| + | All other MicroVMS versions were numbered exactly like their "big brothers". | ||
| + | |||
| + | Reasons that led to the fork of MicroVMS: | ||
| + | * Cookbook-Style Documentation | ||
| + | * Simplification of System Management | ||
| + | * Hardware restrictions | ||
| + | ** [[RX50]] | ||
| + | ** [[RD51]] 10MB | ||
| + | |||
| + | Reasons that made MicroVMS unnessary from VMS V5 onwards | ||
| + | * Tape load device [[TK50]] | ||
| + | * Larger disks | ||
| + | * Integration into a [[Local Area VAXcluster]] | ||
| + | |||
| + | MicroVMS Media: | ||
| + | * V4.0: 32 RX50 (without Mandatory Updates) | ||
| + | * V4.1: 3 RX50 | ||
| + | * V4.2: n RX50 / 1 TK50 | ||
| + | * V4.2MUP: 1 RX50 / 1 TK50 | ||
| + | |||
| + | * V4.5: 16(Base)+25 RX50 / 1 TK50 | ||
| + | * V4.6: 16(Base)+26 RX50 / 1 TK50 | ||
| + | |||
| + | {| class="wikitable" style="margin:auto" | ||
| + | |+ MicroVAX support in VMS V4.x | ||
| + | |- | ||
| + | ! Version !! Type !! Date written !! MicroVAX support | ||
| + | |- | ||
| + | | 4.0 || Full || 23-SEP-1984 || NO | ||
| + | |- | ||
| + | | 4.1 || Update || 11-JAN-1985 || YES: VMS041.A-VMS041 / VMS041.B-VMSONLY / VMS041.C-UVMSONLY | ||
| + | |- | ||
| + | | 4.2 || Full || 12-JUL-1985 || NO | ||
| + | |- | ||
| + | | 4.3 || Update || 9-JAN-1986 || YES: VMS043.A-COMMON FILES / VMS043.B-VMS ONLY / VMS043.C-UVMS ONLY | ||
| + | |- | ||
| + | | 4.4 || Full || 30-MAR-1986 || YES (integral part of all Savesets) | ||
| + | |- | ||
| + | | 4.5 || Update || 26-SEP-1986 || YES: same as with V4.3 (individual Savesets) | ||
| + | |- | ||
| + | | 4.6 || Full || 15-JUN-1987 || YES: same as with V4.4 (integral part of all Savesets) | ||
| + | |- | ||
| + | | 4.7 || Update || 29-OCT-1987 || YES: same as with V4.3 (individual Savesets) | ||
| + | |} | ||
| + | |||
| + | |||
| + | DEC called MicroVMS "retired" from VMS 5.0 onwards | ||
| + | |||
| + | Wikipedia: | ||
| + | MicroVMS was a distribution of VAX/VMS designed for MicroVAX and VAXstation hardware, which had less memory and disk space than larger VAX systems of the time. MicroVMS split up VAX/VMS into multiple kits, which a customer could use to install a subset of VAX/VMS tailored to their specific requirements. MicroVMS releases were produced for each of the V4.x releases of VAX/VMS and was discontinued when VAX/VMS V5.0 was released. | ||
| + | |||
| + | ==See also== | ||
| + | |||
| + | * [[The VMS-MicroVMS Merge]] | ||
| + | * [[Installing and Configuring MicroVMS V4.0 on a MicroVAX I]] | ||
| + | * [[Installing MicroVMS V4.7 and VAX Workstation Software V3.3 on SIMH]] | ||
| + | |||
| + | [[Category: VMS]] | ||
Latest revision as of 12:30, 12 October 2024
VMS/MicroVMS
What is the difference between MicroVMS and VMS?
MicroVMS is a special "downsized" version of VMS V4.x for the (at that time) new MicroVAX/VAXstation models. There were no other MicroVMS versions, neither before nor after VMS V4.x. The very first version of MicroVMS for the MicroVAX I was named MicroVMS V1.0, which sometimes leads to confusion. MicroVMS V1.0 is probably a kind of pre-release MicroVMS V4.0. All other MicroVMS versions were numbered exactly like their "big brothers".
Reasons that led to the fork of MicroVMS:
- Cookbook-Style Documentation
- Simplification of System Management
- Hardware restrictions
Reasons that made MicroVMS unnessary from VMS V5 onwards
- Tape load device TK50
- Larger disks
- Integration into a Local Area VAXcluster
MicroVMS Media:
- V4.0: 32 RX50 (without Mandatory Updates)
- V4.1: 3 RX50
- V4.2: n RX50 / 1 TK50
- V4.2MUP: 1 RX50 / 1 TK50
- V4.5: 16(Base)+25 RX50 / 1 TK50
- V4.6: 16(Base)+26 RX50 / 1 TK50
| Version | Type | Date written | MicroVAX support |
|---|---|---|---|
| 4.0 | Full | 23-SEP-1984 | NO |
| 4.1 | Update | 11-JAN-1985 | YES: VMS041.A-VMS041 / VMS041.B-VMSONLY / VMS041.C-UVMSONLY |
| 4.2 | Full | 12-JUL-1985 | NO |
| 4.3 | Update | 9-JAN-1986 | YES: VMS043.A-COMMON FILES / VMS043.B-VMS ONLY / VMS043.C-UVMS ONLY |
| 4.4 | Full | 30-MAR-1986 | YES (integral part of all Savesets) |
| 4.5 | Update | 26-SEP-1986 | YES: same as with V4.3 (individual Savesets) |
| 4.6 | Full | 15-JUN-1987 | YES: same as with V4.4 (integral part of all Savesets) |
| 4.7 | Update | 29-OCT-1987 | YES: same as with V4.3 (individual Savesets) |
DEC called MicroVMS "retired" from VMS 5.0 onwards
Wikipedia: MicroVMS was a distribution of VAX/VMS designed for MicroVAX and VAXstation hardware, which had less memory and disk space than larger VAX systems of the time. MicroVMS split up VAX/VMS into multiple kits, which a customer could use to install a subset of VAX/VMS tailored to their specific requirements. MicroVMS releases were produced for each of the V4.x releases of VAX/VMS and was discontinued when VAX/VMS V5.0 was released.
