pour la ram , il me dit :
j'ai installe la ram , sans rebooter car sinon car gele au demarrage
Model: PowerMac1,2
PowerMac G4 (PCI Graphics)
DIMM0/J19
DIMM configured for 64MB
8008040C0901400001806000800800018F04060101000EC09000001814143210
2010201000000000000000000000000000000000000000000000000000001239
2CFFFFFFFFFFFFFF01384C53445438363441472D313042443220200200990212
01C66100000000000000000000000000000000000000000000000000000064AD
8.0ns PC100-323
DIMM checks out OK
DIMM1/J20
DIMM configured for 64MB
8008040C0901400001806000800800018F04060101000EC09000001414143210
2010201000000000000000000000000000000000000000000000000000001235
2CFFFFFFFFFFFFFF04384C53445438363441472D3130434234202004009924B5
0307F600000000000000000000000000000000000000000000000000000064AD
8.0ns PC100-322
DIMM checks out OK
DIMM2/J21
DIMM configured for 64MB
8008040C0901400001806000800800018F04060101000EC09000001414143210
2010201000000000000000000000000000000000000000000000000000001235
2CFFFFFFFFFFFFFF04384C53445438363441472D3130434234202004009930B4
00466800000000000000000000000000000000000000000000000000000064AD
8.0ns PC100-322
DIMM checks out OK
DIMM3/J22
DIMM not configured
8008040C0A02400001806000800800018F04040101000EA06000001814183220
20102010000000000000000000000000000000000000000000000000000012FD
2CFFFFFFFFFFFFFF060000000000000000000000000000000000000100000000
00000000000000000000000000000000000000000000000000000000000064AF
8.0ns PC100-333
DIMM checks out OK
This DIMM checks out OK but does not appear to be working, it is probably faulty.
All your DIMMs checked out OK, it should be safe to update your firmware.