Letter Ballot results on SSA-PH1 & SSA-TL1

Lohmeyer, John JLOHMEYE at cosmpdaero.ftcollinsco.ncr.com
Tue Feb 13 14:12:00 PST 1996


* From the SCSI Reflector, posted by:
* "Lohmeyer, John" <JLOHMEYE at cosmpdaero.ftcollinsco.ncr.com>
*

                                                             X3T10/96-018 r0
                                                                              

Accredited Standards Committee*
X3, Information Technology
                                            Doc. No.: X3T10/96-018 r0
                                                Date: February 13, 1996
                                             Project: 1145-D & 0989-D
                                           Ref. Doc.: 96-008 & 96-009
                                            Reply to: Mr. John Lohmeyer
                                                      Symbios Logic Inc.
                                                      1635 Aeroplaza Dr.
                                                      Colo Spgs, CO 80916
                                                      (719) 573-3362

To:       X3T10 Membership
Subject:  Letter Ballot Results on forwarding SSA-PH1 (96-008) & SSA-TL1
          (96-009)

The letter ballots on forwarding SSA-PH1 and SSA-TL1 both passed as shown in
the below table.  The comments received need to be addressed by X3T10.1 and
the proposed ballot resolution should be forwarded to X3T10.

Organization            Stat Person                 SSA-PH1  SSA-TL1 
 Comments
                                                    (96-008) (96-009)
Adaptec, Inc.           A#   Mr. Lawrence J. Lamers Y        Y/C
Amdahl Corp.            P    Mr. Edward Fong        Y        Y
AMP, Inc.               P    Mr. Charles Brill      Y/C      Y        cmnts 
by
                                                                      fax 
only
Amphenol Interconnect   P    Mr. Michael Wingard    Y        Y
Ancot Corp.             P    Mr. Jan V. Dedek       Y        Y
Apple Computer          P    Mr. Dennis Pak         Y        Y
BusLogic                P    Mr. Clifford E. Strang Y        Y
                             Jr.
Ciprico Inc.            P    Mr. Gerry Johnsen      Y        Y
Circuit Assembly Corp.  P    Mr. Ian Morrell        Y        Y
Cirrus Logic Inc.       P    Mr. Joe Chen           Y        Y
CMD Technology          P    Mr. Edward Haske       Y        Y
Congruent Software,     P    Mr. Peter Johansson    Y        Y
Inc.
Conner Peripherals      P    Mr. Michael Bryan      Y        Y
Dallas Semiconductor    P    Mr. Louis Grantham     Y        Y
Digital Equipment Corp. P    Mr. Charles Monia      -        Y
Digital Equipment Corp. A#   Dr. William Ham        N        -
Eastman Kodak Co.       P    Mr. Robert Reisch      Y        Y
ENDL Associate          P    Mr. Ralph O. Weber     Y        Y
Exabyte Corp.                                       DNR      DNR
FSI Consulting          P    Mr. Gary R. Stephens   N        N*       cmnts 
by
Services                                                              fax 
only
Fujitsu Computer        P    Mr. Robert Liu         Y        Y
Products,Am
Hewlett Packard Co.     P    Mr. Stephen Holmstead  Y        Y
Hitachi Micro Systems,  P    Mr. S. Nadershahi      Y        Y
Inc.
Honda Connectors        P    Mr. David McFadden     Y        Y
IBM Corp.               P    Mr. George Penokie     Y/C      Y/C
IIX Consulting                                      DNR      DNR
Iomega Corp.            P    Mr. Geoffrey Barton    Y        Y
Linfinity Micro         P    Mr. Dean Wallace       Y        Y
Madison Cable Corp.     P    Mr. Robert Bellino     Y        Y
Maxtor Corp.            P    Mr. Pete McLean        Y        Y
Methode Electronics,    P    Mr. Steve D. Schueler  Y        Y
Inc.
Molex Inc.              P    Mr. Joe Dambach        Y        Y
NEC Technologies                                    DNR      DNR
Oak Technology, Inc.    P    Mr. Dennis Van Dalsen  Y        Y
Ophidian Designs                                    DNR      DNR
Panasonic Technologies, P    Mr. Stephen F. Heil    Y        Y
Inc
QLogic Corp.            P    Mr. Skip Jones         Y        Y
Quantum Corp.           P    Mr. James McGrath      Y        Y
Seagate Technology      P    Mr. Gene Milligan      N        Y/C      Ind.
                                                                      vote
Silicon Systems, Inc.   P    Mr. Stephen G. Finch   Y        Y
Storage Technology      P    Mr. Erich Oetting      Y        Y
Corp.
Sun Microsystems        P    Mr. Robert N. Snively  Y        Y
Computer Co
Symbios Logic Inc.      A    Mr. Greg Kapraun       Y        Y/C
SyQuest Technology,     P    Mr. Patrick Mercer     Y        Y
Inc.
Tandem Computers        P    Mr. John Moy           Y        Y
Toshiba America         P    Mr. Tokuyuki Totani    Y        Y
Trimm Technologies      P    Mr. Gary M. Watson     Y        Y
UNISYS Corporation      P    Mr. Kenneth J. Hallam  Y        Y
Unitrode Integrated     P    Mr. Paul D. Aloisi     Y        Y
Circuits
Western Digital         A    Mr. Tak Asami          Y        Y
Corporation
Woven Electronics       P    Mr. Doug Piper         Y        Y

                             Totals:                43:3:0:4 45:1:0:4
                                                    =50      =50
Vote Key: Y   - Yes
          Y/C - Yes, with comments
          N   - No
          N*  - No, without substantive comments identified (treated the
                same as Y/C)
          DNR - Did Not Return ballot


Comments Received on SSA-PH1 (96-008):

AMP Comments on SSA-PH1 attached to Yes ballot
(transcribed by John Lohmeyer)

Comment #1. pg. 6, Fig 3 Test Points

       Node Port Driver M1 Connector
       Node Port Receiver M4 Connector

  M1 & M4 are not necessarily external connectors,
  therefore 2 more test points need to be
  identified at the external connectors.
* Test points are defined in the specification
  from the driver to the receiver & not at
  the external connectors.  Need to break
  up the specification & specify it at the
  external connectors because that's
  where all the external "cable assy houses"
  have control over.

Comment #2. pg. 25 Figure 18

  The 5.62 dimension should go to
  datum F as called out in the IEEE 1394 specification.
* 5.62 +/- 0.05 should go to datum F.

Digital Comments on SSA-PH1 attached to No ballot

Digital voted "No" on the referenced letter ballot for a number of technical
and editorial reasons.  Even though Digital is initmately involved in the
editing of this document some critical content is not present in rev 8. 
 Some
of this content was formally approved by the plenary for inclusion in the
letter ballot.  Other content has developed in recent SSA working groups and
through other oversights.

The following changes were approved by the December 13, 1995 plenary to be
incorporated into SSA-PH1 Rev 8:

Move connector performance requirements to normative annexes

Add figures describing line segments, port connections, port connection
segments, port connection couplers, and complex port connections

Change line segment termination requirements to use 750 ps rise time instead
of slew rates

Move equalizer requirements to cable assembly section


      Item 1. was incorporated in rev 8.

      Item 2 was not done in Rev 8.  Item 2 constitutes important
architectural technical content concerning the physical link.
      Item 3 was not done in rev 8.  Item 3 constitutes important technical
requirements for the line segment termination requirements.

      Item 4 was not done in rev 8.  The statements relating to equalization
are technically in error in its present location in rev 8 under complex port
connections.

      New technical information concerning the requirements for line segment
termination has shown that the specifications under section 7.3 are not 
valid.
It is necessary to incorporate exceptions to the impedance limits for 
certain
time durations in order to allow existing devices to comply.

      There are numerous instances where the terminology in Item 2 is not
incorporated into rev 8.


      Annex G does not contain the information developed in Botley relating
to printed wiring board design.

      Line fault detection is not a required feature of SSA but is listed as
an "essential feature" in section 1.1.

      Several statements in section 1.1 are not supported by statements in
the body of the document.  While these statements may be true for some
implementations they are not "essential characteristics" of the technology
described in SSA-PH1.

      Changes are required to Figure 1 to extend the line driver and line
receiver to the connector.

      The difference between Table 4 and Table 5 is not clear.  The terms
"test" and "operating" need some explanation.

      The difference between Table 7 and Table 8 is not clear.  The terms
"test" and "operating" need some explanation.

      The colors need to be removed from fig 31.

      Figure C.4 needs to have the term "Table 30" removed.

      There are several figures needed to accurately describe the terms in
item 2 above.

      I will attempt to draft proposal wording and figures to address these
comments before the next plenary meeting.


FSI Comments on SSA-PH1 attached to No ballot

Gary Stephens faxed the following comment (transcribed by John Lohmeyer):
"This standard provides too little functional improvement to warrent its
standardization.  The 40 MB/S version provides the correct level with 
SSA-S3P
as a base.  See note with SSA-TL1 and SSA-S2P votes."  The note Gary refers 
to
says that "due to severe personal events, a proper typed and numbered 
response
was not possible.  I will attempt to do so before the March meeting."

IBM Comments on SSA-PH1 attached to Yes ballot

 Comments:
 1) Some of the definition refinements from December meeting were not
    included in the document.

Milligan (Seagate) Comments on SSA-PH1 attached to No ballot

1) The patent statement has been useful information for the committee
participants. However now that the SSA-PH1 is being forwarded, the patent
statement should be replaced with the standard X3 patent statement for the
case where patent claims have been made and offered in accordance with the
ANSI patent policy. In particular the specific citing of claims should be
removed.

I recognize that X3T11 has left such statements in some of their forwarded
standards. But this is inappropriate since the committee should not take any
position on the validity of the claims made.

2) If an ISO/IEC submittal is intended, it would be preferable (and 
necessary
for the IS) to replace item (h) in Clause 2  and the ANSI/EIA citations in
Tables B.1 through B.7 with equivalent IEC specifications.

3) It is not acceptable to include "??" as normative reference.


Comments Received on SSA-TL1 (96-009):

Adaptec Comments on SSA-TL1 attached to Yes ballot

The second sentence of paragraph four, section 6.2.9:

When transmission of a UDC character is pending, and an identical UDC
characater is received by another port, the received character may be
discarded.

FSI Comments on SSA-TL1 attached to No ballot

Gary Stephens faxed the following comment (transcribed by John Lohmeyer):
"Due to severe personal events, a proper typed and numbered response was not
possible.  I will attempt to do so before the March meeting.  Copies of 
marked
up pages are included to support the NO vote for now."

I also received multiple faxes containing much of the SSA-TL1 document
liberally marked up.  I received several duplicate pages and was missing
pages 24-28.  The vast majority of these comments appear to be editorial
in nature.  Since there is no sane way to transcribe all of these comments,
I ve forwarded paper copies to the SSA-TL1 editors.  They will incorporate
the editorial comments as they see fit.  Since Gary was unable to provide
documentation on what comments are substantive, I am forced to treat his
ballot the same as a "Yes, with comments" ballot.  No formal response will
be generated for his comments (other than the next revision of SSA-TL1).

NOTE:  Gary obviously did a great deal of work reviewing the SSA-TL1
document.  However, X3T10 cannot wait until March for the properly
documented ballot comments.  This would not be fair to the SSA-TL1 editors
who are meeting the week of 2/12/96 to develop a proposed resolution to the
letter ballot comments or to X3T10.1 which meets later in February to review 

and possibly approve the proposed resolution.

IBM Comments on SSA-TL1 attached to Yes ballot

 Technical comments:
 1) Last paragraph of section 10.1.2 (Link Status Byte)
    Change the first sentence to "The RSN field specifies the RECEIVE
    SEQUENCE NUMBER for the next Privledged...".  It should be next
    rather than last.
 2) Third paragraph, second sentence of 9.1.10 (Port Table)
    Change the second sentence to "When a CONFIGURE PORT SMS is received,
    the Port table entry associated the PORT field specified in the
    CONFIGURE PORT SMS is set as follows.".  It should use the PORT
    field rather than the port the CONFIGURE PORT SMS was received on.
 3) The MAA PORT field in Table 14 (Master Asynchronous Alert table entry)
    Change the Description of MAA PORT to "A one byte value indicating
    the Master's port number to be used to send the ASYNC REPLY SMS.".
    It is a one byte value not seven bits, and the term associated was
    vague.

Milligan (Seagate) Comments on SSA-TL1 attached to Yes ballot

1) The patent statement has been useful information for the committee
participants. However now that the SSA-TL1 is being forwarded, the patent
statement should be replaced with the standard X3 patent statement for the
case where patent claims have been made and offered in accordance with the
ANSI patent policy. In particular the specific citing of claims should be
removed.

I recognize that X3T11 has left such statements in some of their forwarded
standards. But this is inappropriate since the committee should not take any
position on the validity of the claims made.

2) Based upon the definition of SSA-TL2 (which contains a grammatical error)
in Clause 1.2, SSA-TL2 should be deleted from the Clause 2 normative
references and moved to an informative reference section..

3) Based upon the definition of SSA-TL1 in Clause 1.2, SSA-S3P and SSA-PH2
should be deleted from the Clause 2 normative references and moved to an
informative reference section..

Symbios Logic Comments on SSA-TL1 attached to Yes ballot

This is a collection of comments for SSA-TL1.  They are considered
editorial by us.

change?
3.1.8  destination node: The node where a frame is addressed.
to
3.1.8  destination node: The node to which a frame is addressed.

Section 9.1.3.1, paragraph 1, element a):
        The operational flag is not cleared while in Disabled State.  The
        operational flag is only cleared on failed ERP, or after
        Total/Absolute Reset, or after POST.

Section 9.1.3.1, paragraph 5:
        The link reset received flag being cleared should be added to the 
list
        in paragraph 1 of this section.

Section 9.1.3.2, paragraph 2:
        (see 9.5) should be (see 9.3).

Section 9.1.4.3, paragraph 1:
        Sentence 2 should be deleted.  In wrap mode, no data is actually
        communicated so half duplex does not make sense.

Section 9.3, paragraph 2:
        In item 5) character should be plural.

Section 9.5.1, paragraph 3:
        There are two periods at the end of this sentense.

Section 10.1, paragraph 5:
        In item b), the only should be dropped from the end of the sentence.

Section 10.1.2, paragraph 7:
        The Receive Sequence Number field described here is incorrect.  This
        should be the same definition used earlier (see Section 7.1.3).

Section 10.5.1, paragraph 2:
        In item 1), Build an Response should be build a Response.

Annex A, in general:
        Annex A has several references to (see 0).  I beleive these 
references
        should point to someplace in the standard.  Please correct these.

Annex A, in general:
        Annex A makes many references to services (TARGET READ, INITIATOR
        READ, etc).  These are not defined in the standard and should be
        referenced to some standard where they are defined (or they need to 
be
        defined in this standard).

Annex A.4, paragraph 1:
        Sentence 1 should read services are intended rather than services
        in intended.

p. 17
  Section 7.5 Data field
  1st paragraph
  3rd sentence
  Was:
    The contents of the DATA field in Application Frames is defined in 11.3
and
    by the upper-level protocol.
  Change to:
    The contents of the DATA field in Application SMS's is defined in 11.3.

p. 22
  Section 8.4 Flow Control
  4th paragraph
  1st sentence
  Was:
    In full-duplex operation a port could send an Acknowledgment for a
received
    frame or a Receiver Ready, if buffer space is available, while it is in
the
    middle of transmitting another frame.
  Change to:
    In full-duplex operation a port could send an Acknowledgment for a
received
    frame or a Receiver Ready if buffer space is available, while it is in
the
    middle of transmitting another frame.
  Rational:
    The only edit is to remove the comma before the phrase "if buffer space 
is
    available".  This is to ensure that this phrase is only associated with
the
    transmission of an RR pair (as ACK transmission does not rely on having
    buffer space).

p. 60
  Section 11.2.3 Configure Port SMS
  3rd paragraph
  1st sentence
  Was:
    The PORT field identifies the port that is being configured.
  Change to (the same definition as in Section 1.2.1):
    The PORT field contains an unsigned integer to identify the affected 
port.

 --
John Lohmeyer             E-Mail:  john.lohmeyer at symbios.com
Symbios Logic Inc.         Voice:  719-573-3362
1635 Aeroplaza Dr.           Fax:  719-573-3037
Colo Spgs, CO 80916     SCSI BBS:  719-574-0424 300--14400 baud







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