Maxtor Atlas 10K V Product Manual page 115

5.12.12.3 Negotiated Settings Subpage (Sub Page 3 of Mode Page 19)
The negotiated settings subpage, shown in Table 5-77, is used to report the negotiated
settings of a target for the current I_T nexus.
Bit
Byte
0
1
2
3
4 Reserved
5
6
7
The Transfer Period Factor field indicates the negotiated transfer period factor for the
current I_T nexus.
Code
0-7
8
9
0x0A
0x0B
0x0C-
0x18
0x19-
0x31
0x32-
0xFF
The Req/Ack Offset field indicates the negotiated REQ/ACK offset for the current
I_T nexus.
The Transfer Width Exponent field indicates the negotiated transfer width exponent
for the current I_T nexus.
The Protocol Options Bits field contain the negotiated protocol options for the
current I_T nexus.
Table 5-77
Negotiated Settings Subpage (03h)
7 6 5
Reserved
Table 5-78
4 3 2
Transfer Period Factor
Reserved
Req/Ack Offset
Transfer Width Exponent
Protocol Option Bits
Transceiver
Mode
Reserved
Vendor Specific
Transceiver Period Factor
Transceiver Period Factor
Reserved
TP=6.25ns Fast - 160 (U320)
TP=12.5ns Fast - 80 (U160)
TP=25ns Fast - 40 (Ultra2)
TP=30.3 ns Fast - 40
Fast - 20
Fast - 10
Fast - 5
1 0
SENT_ RECEIVED
PCOMP_EN PCOMP_EN
Maxtor Atlas 10K V
5-57