crwdns2934243:0crwdne2934243:0 Rob

crwdns2947189:0crwdne2947189:0:

Mac Pro 3.1 with 667MHz RAM want turn on

crwdns2934249:0crwdne2934249:0:

crwdns2866306:0crwdne2866306:0:

Mac Pro 2009-2012

crwdns2915684:0crwdne2915684:0:

open

crwdns2934251:0crwdne2934251:0:

755755

crwdns2934245:0crwdne2934245:0 Rob

crwdns2947189:0crwdne2947189:0:

Mac Pro 3.1 with 667MHz RAM want turn on

crwdns2934249:0crwdne2934249:0:

Hi guys,

I am trying upgrade memory on my MP3.1 but if I use 667MHz, I get only red light on RAM board and Mac won’t turn on, I try reset PRAM but no luck :( any ideas ?

I am trying Samsung  M395T5163QZ4-CE68 4GB 4Rx8 5300F 555 11 AE0

Thanks a lot for any ideas, advice.

crwdns2866306:0crwdne2866306:0:

Mac Pro 2009-2012

crwdns2915684:0crwdne2915684:0:

open

crwdns2934251:0crwdne2934251:0:

crwdns2934241:0crwdne2934241:0 Rob

crwdns2947189:0crwdne2947189:0:

Mac Pro 3.1 with 667MHz RAM want turn on

crwdns2934249:0crwdne2934249:0:

Hi guys,

I am trying upgrade memory on my MP3.1 but if I use 667MHz, I get only red light on RAM board and Mac won’t turn on, I try reset PRAM but no luck :( any ideas ?

I am trying Samsung  M395T5163QZ4-CE68 4GB 4Rx8 5300F 555 11 AE0

Thanks a lot for any ideas, advice.

crwdns2866306:0crwdne2866306:0:

Mac Pro 2009-2012

crwdns2915684:0crwdne2915684:0:

open