![](/images/backgrounds/146247/146247-253234x1.png)
Appendix B NEGOTIATED RATE INFORMATION PAGE REFERENCE
This appendix provides information about the INQUIRY command’s Negotiated Rate Information Page that is not provided in Section 5.11.2.7. Specifically, it provides the codes and meanings for the Transfer Period Factor field (byte 4) and a table that explains the allowable settings for the QAS, DT, and IU fields (bits 2, 1, and 0, respectively, of byte 7).
B.1 TRANSFER PERIOD FACTOR FIELD
| Table | |
| field if the value of PARL (Parallel Protocol, bit 2 of byte 6 of the Negotiated Rate | |
| Information Page) is 1. | |
| Table | |
| Table | |
Code |
| Description |
|
|
|
00h – 07h |
| Reserved. |
|
|
|
08h |
| Transfer period=6.25ns (Fast160 or U320 is latched every 6.25 ns) |
|
| This code is valid only if the protocol options bits (QAS,DT and IU) of |
|
| the page have values selected that support double transition (DT) Trans- |
|
| fers. |
|
|
|
00h – 08h |
| Transfer Period=6.25ns (Fast160 or U320 is latched every 6.25 ns) |
|
| This code is valid only if the protocol options bits (QAS,DT and IU) of |
|
| the page have values selected that support double transition (DT) Trans- |
|
| fers. |
|
|
|
09h |
| Transfer period = 12.5 ns |
|
| This code is valid only if the protocol options bits (QAS, DT, and IU) of |
|
| the page have values selected that support double transition (DT) data |
|
| transfers. |
|
|
|
0Ah |
| Transfer period = 25 ns |
|
|
|
0Bh |
| Transfer period = 30 ns |
|
|
|
Maxtor Atlas 10K V