Maxtor 10K III Computer Drive User Manual


 
SCSI Description
5-84 Maxtor Atlas 10K III
The negotiated settings subpage, shown in Table 5-100, is used to report the
negotiated settings of a target for the current I_T nexus.
Negotiated Settings Subpage (03h)
The Transfer Period Factor field indicates the negotiated transfer period factor (see
Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) for the
current I_T nexus.
The Req/Ack Offset field indicates the negotiated REQ/ACK offset (see
Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) for the
current I_T nexus.
The Transfer Width Exponent field indicates the negotiated transfer width exponent
(see Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) for the
current I_T nexus.
The Protocol Options Bits field contain the negotiated protocol options (see
Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) for the
current I_T nexus.
The TRANSCEIVER MODE field specifies the current bus mode of the target as
defined in Table 5-101.
The SENT PCOMP_EN bit contains the value of the PCOMP_EN bit (see
Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) sent by the
target for the current I_T nexus.
The RECEIVED PCOMP_EN bit contains the value of the PCOMP_EN bit (see
Section 5.11.2.8, "Negotiated Rate Information Page (C4h)" on page 31) received by
the target for the current I_T nexus.
Bus Mode
0 Transfer Period Factor
1 Reserved
2 Req/Ack Offset
3 Transfer Width Exponent
4 Reserved Protocol Option Bits
5 Reserved Transceiver
Mode
SENT_
PCOMP_EN
RECEIVED
PCOMP_EN
6 Reserved
7 Vendor Specific
00b Unknown (device not capable of reporting bus mode)
01b Single-ended
10b Low-Voltage Differential
11b High-Voltage Differential