Поддерживается ли материнкой ASUS P5LD2 4-ех ядерный процессор? т.е. Intel Core 2 Duo quad??

да

del

неа... там чип 945 )))
Для полнаты картины список потдерживаемых CPU
Celeron 420(1.60GHz,800 FSB,L2 512KB,LGA775,revA1)
Celeron 430(1.80GHz,800 FSB,L2 512KB,LGA775,revA1)
Celeron 440(2.00GHz,800 FSB,L2 512KB,LGA775,revA1)
Celeron D 325J (2.53 GHz, 533 FSB, LGA775)
Celeron D 326(2.53 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 326(2.53 GHz, 533 FSB, revG1, LGA775)
Celeron D 330J (2.66 GHz, 533 FSB, LGA775)
Celeron D 331(2.66 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 331(2.66 GHz, 533 FSB, revG1, LGA775)
Celeron D 335J (2.80 GHz, 533 FSB, LGA775)
Celeron D 336 (2.80 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 336 (2.80 GHz, 533 FSB, revG1, LGA775)
Celeron D 340J (2.93 GHz, 533 FSB, LGA775)
Celeron D 341 (2.93 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 341 (2.93 GHz, 533 FSB, revG1, LGA775)
Celeron D 345J (3.06 GHz, 533 FSB, LGA775)
Celeron D 346 (3.06 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 346 (3.06 GHz, 533 FSB, revG1, LGA775)
Celeron D 347 (revD0,65nm,3.06GHz, 533 FSB, L2:512KB, LGA775)
Celeron D 351 (3.2 GHz, 533 FSB, LGA775)E0,EM64T
Celeron D 351 (3.2 GHz, 533 FSB, revG1, LGA775)
Celeron D 352 (65nm,3.20 GHz, 533 FSB, L2:512KB, revD0, LGA775)
Celeron D 352 (revC1,65nm,3.20 GHz, 533 FSB, L2:512KB, LGA775)
Celeron D 355 (3.33 GHz, 533 FSB, L2:256KB, revG1, LGA775)
Celeron D 356 (65nm,3.33 GHz, 533 FSB, L2:512KB, revD0, LGA775)
Celeron D 356 (revB1, 65nm,3.33 GHz, 533 FSB, L2:512KB, LGA775)
Celeron D 356 (revC1,65nm,3.33 GHz, 533 FSB, L2:512KB, LGA775)
Celeron D 360 (65nm,3.46 GHz, 533 FSB, L2:512KB, revD0, LGA775)
Celeron D 365 (65nm,3.60 GHz, 533 FSB, L2:512KB, revD0, LGA775)
Celeron Dual Core E1200(revM0,1.6GHz,800 FSB,L2:512K)
Celeron Dual Core E1500(revM0,2.2GHz,800 FSB,L2: 512K)
Core 2 Duo E4300 (1.8GHz,800FSB,L2:2MB,65W,rev.L2)
Core 2 Duo E4400 (2.0GHz,800FSB,L2:2MB,65W,rev.L2)
Core 2 Duo E4400 (2.0GHz,800FSB,L2:2MB,65W,rev.M0)
Core 2 Duo E4500 (2.2GHz,800FSB,L2:2MB,65W,rev.M0)
Core 2 Duo E4600 (2.4GHz,800FSB,L2:2MB,65W,rev.M0)
Core 2 Duo E4700 (2.6GHz,800FSB,L2:2MB,revG0)
Core 2 Duo E6300 (1.86GHz,1066FSB,L2:2MB,rev.B2)
Core 2 Duo E6300 (1.86GHz,1066FSB,L2:2MB,rev.L2)
Core 2 Duo E6320 (1.86GHz,1066FSB,B2:4MB,rev.B2)
Core 2 Duo E6400 (2.13GHz,1066FSB,L2:2MB,rev.B2)
Core 2 Duo E6400 (2.13GHz,1066FSB,L2:2MB,rev.L2)
Core 2 Duo E6420 (2.13GHz,1066FSB,L2:4MB,rev.B2)
Core 2 Duo E6600 (2.40GHz,1066FSB,L2:4MB,rev.B2)
Core 2 Duo E6700 (2.66GHz,1066FSB,L2:4MB,rev.B2)
Core 2 Extreme X6800(2.93GHz,1066FSB,L2:4MB,revB2)
P4-3.20F GHz (EM64T)
P4-3.40 GHz Extreme Ed. (800 FSB, HT, revM0, LGA775)
P4-3.40F GHz (EM64T)
P4-3.40GHz(FSB800, revR0)
P4-3.46 GHz Extreme Ed. (1066 FSB, HT, revM0, LGA775)
P4-3.60F GHz (EM64T)
P4-3.73 GHz Extreme Ed. (1066 FSB, HT, revN0, LGA775)
P4-3.80F GHz (EM64T)
P4-3.80GHz(FSB800, revR0)
P4-505/505J (2.66 GHz) (533 FSB)(E0,D0)

Смотри по сокету и по чипсету

i945 не поддерживает квады, максимум что эта мать воспримет - Core2Duo c шиной 1066Mhz, с 1333-й шиной Core2Duo работать не будут

вроде нет