Product manual

SCSI Description
5-56 Maxtor Atlas 10K IV
5.14.12.3 Negotiated Settings Subpage (Sub Page 3 of Mode Page 19)
The negotiated settings subpage, shown in Table 5-78, is used to report the negotiated
settings of a target for the current I_T nexus.
Table 5-78 Negotiated Settings Subpage (03h)
The Transfer Period Factorfield indicates the negotiated transfer period factor for the
current I_T nexus.
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.
The TRANSCEIVER MODE field specifies the current bus mode of the target as
defined in Table 5-79.
The SENT PCOMP_EN bit contains the value of the PCOMP_EN bit sent by the
target for the current I_T nexus.
The RECEIVED PCOMP_EN bit contains the value of the PCOMP_EN bit received
by the target for the current I_T nexus.
Table 5-79 Transceiver Mode
Bit
Byte
765432 1 0
0 Transfer Period Factor
1Reserved
2 Req/Ack Offset
3 Transfer Width Exponent
4 Reserved Protocol Option Bits
5 Reserved Transceiver
Mode
SENT_
PCOMP_EN
RECEIVED
PCOMP_EN
6Reserved
7 Vendor Specific
Code Transceiver Mode
00b Unknown (device not capable of reporting bus mode)
01b Single-ended
10b Low-Voltage Differential
11b High-Voltage Differential