Motherboard StatusOctober 2002

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MotherboardStatus (October 2002)

• La Marra Daniel
• University of Geneva

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General Status

• schematic modifications due to the PDR
• JTAG chain
• serial impedance adaptation
• serializer back lines
• fuse on 3.3V for each mezzanine
• water cooling and temperature probes
• adding of LED on the front panel
• need some feedback about the ORx GLinks
  problems From Nevis or Jingbo Ye
• meeting with LAPP (J.-M. Nappa) about the PCB
  routing
• change on the stack-up
• try to use the automatic router

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Stack-up
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PCB
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Conclusion

• There is still a lot of things to do.
• We hope to gain time with the automatic router
• But before to use it.
• finalise the schematics
• place precisely all the components on the board
• resistors
• capacitors
• jumper
• extract manually lines from the BGA devices