specgather.md

 # SPEC7 Specification gathering
 
 This wiki page describes different discussion points for the
-specification of the SPEC7.
+specification of the
+SPEC7.
 
 ### Aim and Use cases
 
-#### NIKHEF - JRP
+#### NIKHEF/JRP, CERN: as high-precision PCIe and stand-alone White Rabbit design
 
 \* Aim: the JRP want to disseminate UTC from metrology partners to
 European research institutes and industry partners with a target
@@ -18,19 +19,39 @@ Later: high performance users, telecom, ....
 cheap, design without the bother of buying an expensive stable external
 oscillator that the metrology users need.
 
+\* Other possible user for 1 GSPS ADC cards requiring HPC FMC
+
 \* Quantity: 100 in 5 years for metrology
 
 \* Priority
 
-1.  performance
-2.  cost
+1.  optimise for performance
+2.  (cost)
+
+#### CERN: as SPEC replacement
+
+\* Aim: smooth replacement of existing SPEC (cheap and simple)
+
+\* Used by
+
+* DIO
+
+* ADC100M
+
+* TDC
+
+* Fine Delay
+
+* WorldFIP master
 
-#### CERN
+* and other FMC mezzanines.
 
-\* Aim: smooth replacement of existing SPEC for DIO, ADC100M, TDC, Fine
-Delay, WorldFIP master and other FMC mezzanines.
+\* Users will be CERN
 
-\* Users will be CERN and most current SPEC users.
+* Many current [SPEC
+users](https://www.ohwr.org/project/spec/wikis/users) have their
+in-house designed FMC mezzanines. Should provide a compatible
+alternative.
 
 \* Quantity: 500 cards expected in 5 years
 
@@ -65,7 +86,8 @@ Price idea:
 
   - use case for LPC
       - Existing FMC mezzanines: DIO, ADC100M, TDC, Fine Delay,
-        masterFIP
+        masterFIP, in-house designs of current [SPEC
+        users](https://www.ohwr.org/project/spec/wikis/users).
 
 ### FMC connector
 
@@ -195,5 +217,5 @@ Some extra's that were on our list:
 
 -----
 
-16 January 2018
+22 January 2018