A reference for Designing Servers and Peripherals for the Microsoft® Windows® 2000 Server Family of Operating Systems Intel Corporation and Microsoft Corporation Publication Date—June 30, 2000
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- 203. All expansion slots in the system are accessible for users to insert cards
- 204. System and device design include protected switches
- 206. System and device design include positive retention connectors
- 207. If present on an IA-32 system, parallel port design provides sufficient space for connector assembly
Physical Design RequirementsThis section presents the requirements related to the physical design of servers. 202. Icons are provided for all external connectorsRequired This requirement helps ensure that the end user can correctly make the physical connections required for adding a device to a system. This requirement includes the following:
Recommendation The following list displays the recommendation for standard color-coding of connectors and ports. The selection of these specific colors was done using criteria established by Human Factors and Industrial Design professionals from multiple companies who are involved in the design of computer hardware.
It is recommended that retail peripherals also implement color-coding, and those that do are required to use the colors in order to correspond with servers that adopt this scheme. Note: It is recognized that the design for legacy ports, such as the PS/2-compatible mouse and keyboard ports, analog audio and video jacks, and the microphone and speaker jacks, will not change and therefore cannot fully meet this requirement. However, icons and labels must be provided wherever possible to help the user make the correct connections. Color coding is required for server systems, but the color codes listed earlier are only recommended. The intent is to standardize the industry on a single color-coding scheme; these specific colors will become a requirement for systems in future versions of the design guidelines. For the following classes of retail peripherals, color-coding is required and must follow the color codes listed earlier. These classes are:
203. All expansion slots in the system are accessible for users to insert cardsRequired The space for expansion cards that will reside in associated expansion slots cannot be physically blocked by components or devices provided with the system. However, this requirement does not exclude configurations that provide half-height cards for some slots, passive back planes for connectors, and so on. It is understood that in order to install expansion cards in some expansion slot implementations, users might have to temporarily move other system components to gain access to the slot. In general, designers should minimize this juggling as much as possible. 204. System and device design include protected switchesRecommended Switches can be covered with a hood or other protection to prevent inadvertent switching. Locks can also be provided to prevent unauthorized access. 205. System design includes locking caseRecommended The computer case can be protected with key locks to prevent unauthorized access. Other recommended features include:
206. System and device design include positive retention connectorsRecommended Positive retention mechanisms should be implemented to ensure connections. The retention mechanism should be operated by hand, requiring no tools for mating and breaking the connection. It is recognized that certain legacy connector implementations, such as PS/2-compatible pointing devices and keyboards, will not generally allow this. However, locking cable connections provide a valuable feature for end users. 207. If present on an IA-32 system, parallel port design provides sufficient space for connector assemblyRequired The parallel port design must provide enough space between the connectors and the surrounding enclosure to allow for a mating connector, connector shell, and latch assembly.
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