If a recommended feature is implemented, it must meet the PC 98 requirements for that feature as defined in this document.
| Consumer PC 98 | Office PC 98 | Entertainment PC 98 |
1. PC system includes PC 98 audio capabilities
| Recommended | Recommended | Required |
2. Audio device does not connect to ISA bus
| Required | Required | Required |
3. Audio performance meets PC 98 requirements
| Required |
4. Audio system provides support for basic data formats
| Required |
5. Audio system reports sample position for stream synchronization
| Required |
6. Audio system provides sufficient externally accessible inputs and outputs
| Required |
7. Audio system connectors are labeled with icons as defined for PC 98
| Required |
8. Audio performance meets PC 98 advanced recommendations
| Recommended |
9. Audio system supports full-duplex operation at independent sampling rates
| Recommended |
10. Audio system provides hardware or software support for the Downloadable Samples specification
| Recommended |
11. Audio system supports AEC reference inputs
| Recommended |
12. Audio system provides hardware filtering of HRTF 3-D filters
| Optional |
13. CD, DVD, and broadcast audio playback meet PC 98 requirements
| Required with DVD Video |
14. Audio system provides consistent volume levels for different devices
| Optional |
15. Each device has a unique Plug and Play device ID
| Required |
16. Automatic resource assignment and dynamic disable capabilities are supported
| Required |
17. PCI device conforms to PCI 2.1 and additional PC 98 requirements
| Required |
18. PCI device supports initiator, target, and block transfer
| Required |
19. PCI audio components use a suitable configuration scheme if using ISA resources
| Required |
20. PCI device is digital ready
| Required |
21. Audio meets USB specification and USB audio device class specification
| Required |
22. Audio meets PC 98 requirements for IEEE 1394
| Required |
23. System and device comply with PCI bus power management specification
| Required |
24. Audio device complies with device class power management reference specification
| Required |
25. Device supports wake-up events
| Optional |
26. Device drivers and installation meet PC 98 requirements
| Required |
27. Audio meets PC 98 requirements for WDM driver support
| Required |
28. Applications provided with device meet Win32 requirements
| Required |