version 9.01 (05/11/01)
checksum using cksum command :
4005019373      37337   fpga.bit
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V7 U   monitoring enhancement
V7 ACT bit managed
V7 Add version at @30h of the fpga (5 most significant bits)
V7 Add Nt swap management
V8 reset erreor Prs generator when it is disavbled (DR583)
V8 change Fpga version (V8)
V9 voice monitoring enhancement
