History
2.5:
JP2: footprint name changed to SKT4_2MM_RA

2.4: 
1. J5 bom: 
Old: 064784 / CON_HM_064784-95
New: 27-7200-095-302-002 / CON_HM_064784-95

2. JP2:
Old: 3802S-4G2 / HDR4
New: PPPN041FGGN / HDR4_RA

2.3: -6V switching control
2.2: JP2 package from HDR_1X3 to HDR3
2.1: JP2 from 4-pin to 3-pin

2.0: for 2nd fab
1. J10 Pin 14 connection
Old: 14->FPGA_TDO
New: 14->FPGA_TDI

2. U2,U3,U4,U5 Pin A6 & B5 connection
Old: A6->CS_CS_N,B5->PLUS3P3V
New: swapped: A6->PLUS3P3V,B5->CS_CS_N

3. U6,U7 Pin A6 & B5 connection
Old: A6->BUF_CS_N,B5->PLUS3P3V
New: swapped: A6->PLUS3P3V,B5->BUF_CS_N

4. D1 part
Old: S2A / DO-214AAN
New: 15MQ040N-ND / DIOSMAN

5. C38,C42,C44
Old: 22UF 35V / CAPT7343N
New: 22UF 16V / CAPC3225N

6. C47
Old: 22UF 6.3V / CAPT7343N
New: 22UF 16V / CAPC3225N

7. R36,R39,R40
Old: none
New: 10K / RESC1608N


Mechanical:

1. JP1
Old: top
New: bottom

2. JP2(mechanical and electrical)
Old: 4-pin header
New: changed to a 3-pin header, place swapped with C42

3. J10
Old: top
New: bottom

4. distance between J8 & J9
Old: 600 mil symmetric
New: 610 mil symmetric