Alesis Fusion 6 HD Service Manual page 129

S80 Serial ATA PCB Rev B
RevChange Document
Suggested
SCH PCB CAM DATE
by:
X X X SOP 1/12/2005
X X X SOP 1/12/2005
X X X SOP 1/12/2005
X X X JK 9/19/2005
X X X JK 9/19/2005
RFS 10/28/2005
Last Revised:
11/7/2005
Performed
DATE
by:
10/28/2005 Change all text from Rev A to B.
RFS
11/7/2005 Update Part Types as necessary
RFS
RFS 11/7/2005 Review/Integrate all outstanding ECNs
** NOTE: A new solderpaste stencil IS required. **
11/7/2005 Add a 10uF electrolytic cap in parallel to C8 and C10.
RFS
Add 0.01uF caps in series with the TXP/TXN and RXP/RXN
lines.
RFS 11/7/2005
Add ferrite beads between C8 and C10 and power.
Description of change:
TOP LEVEL CHANGES
SCHEMATIC CHANGES
PCB CHANGES
Reason for change:
Standard Procedure
Standard Procedure
Standard Procedure
Incorporate changes based on new silicon
revision.
Incorporate changes based on new silicon
revision (additional caps are suppose to
increase ESD immunity according to Jmicron
revchange doc).
Match reference circuit.
WAS TOLD THIS IS NOT ESSENTIAL BY
CHIP MANUFACTURER. OMITTED FOR
COST/SPACE REASONS.