PUBLISHED SFF-8636 Rev 2.10a
Management Interface for 4-lane Modules and Cables Page 4
Copyright © 2019 SNIA. All rights reserved.
- Added Version 2 to address 141.
- Added Version 2 Rate Select table to Table 14 with: 00 as under 12Gb/s, 01 as between 12Gb/s
and 24Gb/s, 10 as between 24Gb/s and 26Gb/s and 11 is above 26Gb/s
- Changed revision register compliance bit for revision 1.9 to 2.0 (1.9 was never released)
- Editorial changes to fix spelling and maintain consistent naming.
Rev 2.1 August 21, 2014:
- Assigned Page 00h Bytes 111-112 for use by PCI-SIG
- Restored Table 23 and Table 24 from SFF-8024
- Replaced 'See SFF-8024 Table 4-x' with 'See SFF-8024 Transceiver Management'
- Made Page/Address Byte, Page/Address, Page/Byte synonyms common: as Page/Byte
- Added Page/Byte/Bit location to those table titles which did not have it
- Alphabetized abbreviations and added some that were missing
- Deleted 'Ethernet' in respect to Extended Specification Compliance Codes
- Replaced Figure 13 with current use of memory
- Other minor corrections e.g. added 'h' as in Page 00h when it was missing
Rev 2.2
- During the review of Rev 2.1 it was recommended that:
- the contents of Table 22 Connector Type be moved to SFF-8024.
- the contents of Table 24 Encoding Values be returned to SFF-8024.
- Other minor editing improvements
Rev 2.3
- Nomenclature of 10e in Section 2.5 Abbreviations replaced by 10^
Rev 2.4 November 7, 2014:
- Adopted Figure/Table numbering style of current template
- To make correlation of previous Change History easier for readers, a Cross Reference of Figures
and Tables was prepared.
Rev 2.5 April 18, 2015:
-Table 6-30 split creating new Table 6-31. Old Tables 6-31 to 6-35 become new Tables 6-32 to 6-
36.
Figure 1-1 updated to reference SFF-8665 (QSFP28)
2.1 Industry Documents - added SFF-8665
Table 5-3 updated to include Bytes 93, 98, 99 and 107
Table 5-6 updated to include sub-headings with page numbers and to add Bytes 94-97, 100-104,
105-106, 111-112, 114-118. Changed description of Page 03h Bytes 226-241 to Optional Channel
Controls. Added Page 03h Bytes 254-255.
6.1 Overview. Added fourth paragraph explaining details of non-implemented pages.
Figure 6-1. Updated Page 00h descriptions for Bytes 22-33, 100-104, 105-106, 108-110, 111-112,
113 and 114. Removed '(Cable Assemblies)' from Page 03h sub-heading.
6.1.1.1 shortened column descriptions by removing 'applications' from each one.
Table 6-1. Updated descriptions at Bytes 22-33, 86-98, 99, 100-104, 105-106, 108-110, 111-112,
113, 114-118.
6.2.2 Status Indicators. Added text to third sentence of first paragraph to emphasize that both the
IntL pin and bit are asserted upon completion of a power up reset.
Table 6-3. Added value 07h for rev 2.5. Added text to value 00h - 'Do not use for...'. Updated value
01h to say SFF-8436 rev 4.8 or earlier.
Table 6-5. Additional description for Byte 6 bit 0 Initialization Complete Flag referencing Table 6-
25 for the new Initialization Complete Implemented bit.
6.2.4 Free Side Device Monitors. Added fifth paragraph to explain placement of temperature sensor.
Table 6-8. Added Bytes 66-73 description for reserved channel monitor set 5.
Table 6-13. Corrected Byte 101 bits 7-4 names from L-Tx… to M-Tx…
6.2.9 Free Side Device Properties. Added paragraphs 5 and 6 to explain the purpose of Byte 113
bits 3-0 and Byte 113 bits 6-4. This byte is added for breakout cables.
Table 6-14. Added Byte 113 bits 6-4 Far End Implementation and bits 3-0 Near End Implementation
descriptions.
6.2.11 Page Select. Added last sentence to define behavior when the host writes an unsupported
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