ASUS P5B-MX motherboard specifications

Form factor:	micro-ATX uATX" x 9.6" / 8 cm x 24.5 cm
CPU socket type:	Socket 775
Chipset:	Intel 946GZ
Motherboard features:	CrashFree BIOS 2 EZ DIY EZ Flash MyLogo 2 Q-fan
Overclocking features:	CPU Parameter Recall
Memory:	Dual-channel
Integrated graphics:	Maximum shared memory 256 MB
Integrated Audio:	6-channel HD audio Realtek ALC883 Audio codec
BIOS:	AMI BIOS 4 MB Flash
Expansion slots:	PCI x 2 PCIe x1 x 1 PCIe x16 x 1
Internal connectors:	ATX Power (24-pin) x 1 CD audio in x 1 CPU Fan x 1 Chassis Fan x 1 Chassis Intrusion x 1 FDD x 1 Front panel audio x 1 SATA x 4
Rear panel ports:	6-channel Audio LAN RJ45 x 1 PS/2 Keyboard x 1 PS/2 Mouse x 1 Parallel port x 1 Serial port x 1 USB 2.0/1.1 x 4
Included accessories:	FDD cable(s) x 1 I/O Shield x 1 SATA cable(s) x 1 SATA power cable(s) x 1 UltraDMA 133/100/66 cable(s) x 1 User manual x 1
Supported Operating System(s):	Windows 2000 Windows Vista Windows XP

NOTE: specifications are not complete

ASUS P5B-MX CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
HH80557RG025512 BX80557420 BXC80557420	420	1.6 GHz, 800 FSB, L2 512KB, LGA775	0503	Any
HH80557RG025512 BX80557420 BXC80557420	420	1.6 GHz,800 FSB,L2 512KB,LGA775,revA1	0503	Any
HH80557RG033512 BX80557430 BXC80557430	430	1.8 GHz, 800 FSB, L2 512KB, LGA775	0503	Any
HH80557RG033512 BX80557430 BXC80557430	430	1.8 GHz,800 FSB,L2 512KB,LGA775,revA1	0503	Any
HH80557RG041512 BX80557440 BXC80557440	440	2 GHz, 800 FSB, L2 512KB, LGA775	0503	Any
HH80557RG041512 BX80557440 BXC80557440	440	2 GHz,800 FSB,L2 512KB,LGA775,revA1	0503	Any
Intel Celeron D
JM80547RE067CN HH80547RE067CN BX80547RE2667CN	331	2.66 GHz, 533 MHz FSB, LGA775, rev E0,EM64T	0203	Any
JM80547RE072256 BX80547RE2800C	335J	2.8 GHz, 533 FSB, LGA775	0203	Any
JM80547RE077CN HH80547RE077CN BX80547RE2933CN	341	2.93 GHz, 533 MHz FSB, LGA775, rev E0,EM64T	0203	Any
JM80547RE088CN HH80547RE088CN BX80547RE3200CN	351	3.2 GHz, 533 FSB, revG1, LGA775	0203	Any
JM80547RE088CN HH80547RE088CN BX80547RE3200CN	351	3.2 GHz, 533 MHz FSB, LGA775, rev E0,EM64T	0203	Any
HH80547RE093CN BX80547RE3330CN	355	3.33 GHz, 533 FSB, L2:256KB, revG1, LGA775	0203	Any
HH80552RE093512 BX80552356	356	revB1, 65nm,3.33 GHz, 533 FSB, L2:512KB, LGA775	0203	Any
HH80552RE093512 BX80552356	356	revC1,65nm,3.33 GHz, 533 FSB, L2:512KB, LGA775	0203	Any
Intel Celeron Dual Core
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	1.6 GHz,800 FSB,L2:512K,revM0	0605	Any
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	revM0,1.6 GHz,800 FSB,L2:512K	0605	Any
HH80557PG033D	E1300	1.8 GHz, 800 FSB, L2: 512K, revM0	0605	Any
HH80557PG033D	E1300	revM0,1.8 GHz, 800 FSB, L2: 512K	0605	Any
HH80557PG033D	E1300	revM0,1.8 GHz,800 FSB,L2: 512K	0605	Any
HH80557PG041D BX80557E1400 BXC80557E1400	E1400	revM0,2 GHz, 800 FSB, L2: 512K	0605	Any
HH80557PG049D BX80557E1500 BXC80557E1500	E1500	revM0,2.2 GHz,800 FSB,L2: 512K	0605	Any
Intel Core 2 Duo
HH80557PG0412M BX80557E4400	E4400	2 GHz,800FSB,L2:2MB,65W,rev.L2	0205	Any
HH80557PG0492M BX80557E4500	E4500	2.2 GHz,800FSB,L2:2MB,65W,rev.M0	0401	Any
HH80557PG0562M BX80557E4600	E4600	2.4 GHz,800FSB,L2:2MB,65W,rev.M0	0506	Any
HH80557PG0642M BX80557E4700	E4700	2.6 GHz,800FSB,L2:2MB,revG0	0605	Any
HH80557PH0362M BX80557E6300	E6300	1.86 GHz,1066FSB,L2:2MB,rev.B2	0203	Any
HH80557PH0462M BX80557E6400	E6400	2.13 GHz,1066FSB,L2:2MB,rev.B2	0203	Any
HH80557PH0564M BX80557E6600	E6600	2.4 GHz,1066FSB,L2:4MB,rev.B2	0203	Any
HH80557PH0674M BX80557E6700	E6700	2.66 GHz,1066FSB,L2:4MB,rev.B2	0203	Any
Intel Core 2 Extreme
HH80562PH0678M BX80562QX6700	QX6700	2.66 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0215	Any
HH80562PH0678M BX80562QX6700	QX6700	2.66 GHz,1066FSB,L2:2X4MB,revB3,4 cores	0215	Any
HH80562PH0678M BX80562QX6700	QX6700	revB3,2.66 GHz,1066FSB,L2:2X4MB	0215	Any
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	2.93 GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0401	Any
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	rev.G0,2.93 GHz,1066FSB,L2:2X4MB,4 cores	0401	Any
HH80557PH0774M BX80557X6800	X6800	2.93 GHz,1066FSB,L2:4MB,rev.B2	0203	Any
HH80557PH0774M BX80557X6800	X6800	2.93 GHz,1066FSB,L2:4MB,revB2	0203	Any
Intel Core 2 Quad
HH80562PH0468M BX80562Q6400	Q6400	2.13 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0215	Any
HH80562PH0568M BX80562Q6600	Q6600	2.4 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0215	Any
HH80562PH0568M BX80562Q6600	Q6600	2.4 GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0401	Any
Intel Pentium 4
JM80547PE0671MN HH80547PE0671MN BX80547PE2667EN	506	533 FSB, EM64T, revG1, 2.66 GHz	0203	Any
JM80547PE0671MN HH80547PE0671MN BX80547PE2667EN	506	E0,D0, 533 FSB, EM64T, 2.66 GHz	0203	Any
JM80547PE0721MN HH80547PE0721MN BX80547PE2800EN	511	533 FSB, EM64T, 2.8 GHz	0203	Any
JM80547PE0721MN HH80547PE0721MN BX80547PE2800EN	511	533 FSB, EM64T, revG, 2.8 GHz	0203	Any
JM80547PE0721MN HH80547PE0721MN BX80547PE2800EN	511	533 FSB,revE0, EM64T, 2.8 GHz	0203	Any
JM80547PE0771M	515	2.93 GHz, E0,D0, 533 FSB	0203	Any
JM80547PE0771MN HH80547PE0771MN BX80547PE2933EN	516	533 FSB, EM64T, revG1, 2.93 GHz	0203	Any
JM80547PE0771MN HH80547PE0771MN BX80547PE2933EN	516	D0,E0, 533 FSB, EM64T, 2.93 GHz	0203	Any
JM80547PE0831MN HH80547PE0831MN BX80547PE3066EN	519K	533 FSB, EM64T, revG1, 3.06 GHz	0203	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E BX80547PG2800EJ	520/520J	2.8E GHz, D0, 800 FSB	0203	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520/520J	2.8E GHz, D0,E0, 800 FSB	0203	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E BX80547PG2800EJ	520/520J	2.8E GHz, E0, 800 FSB	0203	Any
JM80547PG0721MM HH80547PG0721MM BX80547PG2800EK	521	D0,E0, 2.8 GHz, 800 FSB,HT, L2 1MB	0203	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530/530J	3E GHz, D0,E0, 800 FSB	0203	Any
JM80547PG0801MM HH80547PG0801MM BX80547PG3000EK	531	D0,E0, 3 GHz, 800 FSB, L2 1MB	0203	Any
JM80547PG0961M BX80547PG3400E	550/550J	3.4E GHz, D0.E0, 800 FSB	0203	Any
JM80547PG1041M BX80547PG3600E	560/560J	3.6 GHz, DO,E0, 800 FSB	0203	Any
JM80547PG1121MM BX80547PG3800EK	571	3.8 GHz, 800 FSB, L2 1MB V E0	0203	Any
HH80552PG0802M BX80552631	631	65nm,3 GHz, 800 FSB, L2:2MB, revB1	0203	Any
JM80547PG0882MM HH80547PG0882MM BX80547PG3200F	640	3.2E GHz, 800 FSB, L2:2MB, EM64T, HT	0203	Any
HH80552PG0882M BX80552641	641	65nm,3.2 GHz, 800 FSB, L2:2MB, revB1	0203	Any
JM80547PG0962MM HH80547PG0962MM BX80547PG3400F	650	3.4E GHz, 800 FSB, L2:2MB, EM64T, HT	0203	Any
HH80552PG0962M BX80552651	651	65nm,3.4 GHz, 800 FSB, L2:2MB, revB1	0203	Any
HH80552PG1042M BX80552661	661	65nm,3.6 GHz, 800 FSB, L2:2MB, revB1	0203	Any
HH80552PG1042M BX80552661	661	65nm,3.6 GHz, 800 FSB, L2:2MB, revC1	0203	Any
HH80547PG1042MP HH80547PG1042MH	662	3.6 GHz, 800 FSB, L2:2MB, EM64T, HT, revR0	0203	Any
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F BX80547PG3600FT	670	3.8 GHz, 800 FSB, L2:2MB	0203	Any
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F BX80547PG3600FT	670	3.8 GHz, 800 FSB, L2:2MB,N0	0203	Any
HH80547PG1122MH	672	3.8 GHz, 800 FSB, L2:2MB, revR0	0203	Any
Intel Pentium D
HH80551PE0672MN BX80551PE2666FN	805	2.66 GHz, 533 FSB, revB0	0203	Any
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 FSB, revA0	0203	Any
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 FSB, revB0	0203	Any
HH80553PG0724MN BX80553915 BX80553915R	915	2.8 GHz, 800 FSB, L2 4MB, revC1, without VT function	0203	Any
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 FSB, L2 4MB, revB1	0203	Any
HH80553PG0964MN BX80553945 BX80553945R	945	3.4 GHz, 800 FSB, L2 4MB, revD0, without VT function	0203	Any
HH80553PG1044M BX80553960	960	3.6 GHz, 800 FSB, L2 4MB, revC1	0203	Any
HH80553PG1044M BX80553960	960	3.6 GHz, 800 FSB, L2 4MB, revD0	0203	Any
Intel Pentium Dual-Core
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz, 800FSB, L2 1MB, rev.L2	0222	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz, 800FSB, L2 1MB,L2	0222	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz,800FSB,L2 1MB,M0	0503	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz,800FSB,L2 1MB,rev.M0	0503	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz, 800FSB, L2 1MB, rev.L2	0222	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz, 800FSB, L2 1MB,L2	0222	Any
BX80557E2180 BXC80557E2180 HH80557PG0411M	E2180	2 GHz,800FSB,L2 1MB,M0	0503	Any
BX80557E2180 BXC80557E2180 HH80557PG0411M	E2180	2 GHz,800FSB,L2 1MB,rev.M0	0503	Any
BX80557E2200 BXC80557E2200 HH80557PG0491M	E2200	2.2 GHz,800FSB,L2 1MB,M0	0603	Any
BX80557E2200 BXC80557E2200 HH80557PG0491M	E2200	2.2 GHz,800FSB,L2 1MB,rev.M0	0603	Any
BX80557E2220 BXC80557E2220 HH80557PG0561M	E2220	2.4 GHz,800FSB,L2 1MB,M0	0603	Any

When part numbers are not supplied by motherboard manufacturers, we use best guess approach to determine part numbers based on CPU model, frequency and features. In some cases our guess may be incorrect or incomplete. Please always verify part numbers before committing to buying the CPU.