If a recommended feature is implemented, it must meet the PC 98 requirements for that feature as defined in this document.
1. Host controller supports bus mastering
| Required |
2. Option ROMs support Int 13h Extensions
| Required |
3. Option ROMs support virtual DMA services
| Required |
4. Bus type is clearly indicated on connectors for all adapters, peripherals, and terminators
| Required |
5. Differential devices support DIFFSENS as defined in SCSI-3
| Required |
6. Automatic termination circuit meets SCSI-3 specification
| Required |
7. SCSI terminator built onto internal cables meets SCSI-3 specification
| Required |
8. Terminator power is supplied to the SCSI bus, with over-current protection
| Required |
9. High-density external connector meets SCSI-2 specification
| Required |
10. Internal terminator is close as possible to the last peripheral on the cable
| Recommended |
11. SCSI bus parity signal meets SCSI-2 specification
| Required |
12. Cables meet SCSI-3 Clause 6 requirements
| Required |
13. User cannot incorrectly plug in cables for internal connections
| Required |
14. Internal SCSI peripherals do not terminate the SCSI bus
| Recommended |
15. External connectors use automatic termination or an accessible on-board termination switch
| Required |
16. High-density, shielded device connector meets SCSI-2 specification
| Recommended |
17. Removable media includes media status notification support
| Recommended |
18. All components comply with Plug and Play SCSI specifications
| Required |
19. Each device has a Plug and Play device identifier
| Required |
20. Automatic resource assignment and dynamic disable capabilities are supported for all devices
| Required |
21. Bus and device meet PC 98 power requirements
| Required |
22. Hardware supports the STOP/START UNIT command as defined in SCSI-2
| Required |
23. STOP/START UNIT command can be used to decrease power consumption
| Recommended |