ASUS Maximus Formula motherboard specifications

Form factor:	ATX 12" x 9.6" / 30.5 cm x 24.5 cm
CPU socket type:	Socket 775
Front Side Bus:	1066 MHz 1333 MHz 1600 MHz 800 MHz
Chipset:	Intel X38
Motherboard features:	CrashFree BIOS 3 EZ Flash 2 MyLogo 3 Q-Connector Q-Fan 2
Overclocking features:	AI Overclocking CPU Parameter Recall Overclocking Protection
Memory:	Dual-channel
Integrated Audio:	8-channel HD audio ADI 1988B Audio codec
BIOS:	AMI BIOS
Expansion slots:	PCI 2.2 x 2
Internal connectors:	CPU Fan x 1 Chassis Fan x 3 Chassis Intrusion x 1 FDD x 1 IEEE 1394a x 1 Power Fan x 1 S/PDIF Out x 1 SATA x 6 System Panel x 1
Rear panel ports:	IEEE 1394a x 1 LAN RJ45 x 2 PS/2 Keyboard x 1 S/PDIF Out x 1 USB 2.0/1.1 x 6
Included accessories:	Cable Ties x 1 FDD cable(s) x 1 I/O Shield x 1 Optional Fan x 1 SATA cables SATA power cables UltraDMA 133/100/66 cable(s) x 1 User manual x 1

NOTE: specifications are not complete

ASUS Maximus Formula CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
HH80557RG025512 BX80557420 BXC80557420	420	1.6 GHz,800 FSB,L2 512KB,LGA775,revA1	0401	Any
HH80557RG033512 BX80557430 BXC80557430	430	1.8 GHz,800 FSB,L2 512KB,LGA775,revA1	0401	Any
HH80557RG041512 BX80557440 BXC80557440	440	2 GHz,800 FSB,L2 512KB,LGA775,revA1	0401	Any
HH80557RG049512	450	2.2 GHz,800 FSB,L2 512KB,LGA775,revA1	1207	Any
Intel Celeron Dual Core
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	1.6 GHz,800 FSB,L2:512K,revM0	0907	Any
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	revM0,1.6 GHz,800 FSB,L2:512K	0907	Any
HH80557PG033D	E1300	1.8 GHz, 800 FSB, L2: 512K, revM0	0907	Any
HH80557PG033D	E1300	revM0,1.8 GHz, 800 FSB, L2: 512K	0907	Any
HH80557PG033D	E1300	revM0,1.8 GHz,800 FSB,L2: 512K	0907	Any
HH80557PG049D BX80557E1500 BXC80557E1500	E1500	revM0,2.2 GHz,800 FSB,L2: 512K	0907	Any
AT80571RG0561ML BX80571E3200 BXC80571E3200	E3200	revR0,2.4 GHz,800 FSB,L2: 1M	1302	Any
AT80571RG0601ML BX80571E3300 BXC80571E3300	E3300	revR0,2.5 GHz,800 FSB,L2: 1M	1302	Any
AT80571RG0641ML BX80571E3400 BXC80571E3400	E3400	revR0,2.6 GHz,800 FSB,L2: 1M	1501	Any
AT80571RG0681ML BX80571E3500 BXC80571E3500	E3500	revR0,2.7 GHz,800 FSB,L2: 1M	1501	Any
Intel Core 2 Duo
HH80557PG0332M BX80557E4300	E4300	1.8 GHz,800FSB,L2:2MB,65W,rev.L2	0401	Any
HH80557PG0412M BX80557E4400	E4400	2 GHz,800FSB,L2:2MB,65W,rev.L2	0401	Any
HH80557PG0412M BX80557E4400	E4400	2 GHz,800FSB,L2:2MB,65W,rev.M0	0401	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	0401	Any
HH80557PG0642M BX80557E4700	E4700	2.6 GHz,800FSB,L2:2MB,revG0	0907	Any
EU80571PG0602M BX80571E5200 BXC80571E5200	E5200	2.5 GHz,800FSB,L2:2MB,rev.M0	1207	Any
HH80557PH0362M BX80557E6300	E6300	1.86 GHz,1066FSB,L2:2MB,rev.B2	0401	Any
HH80557PH0362M BX80557E6300	E6300	1.86 GHz,1066FSB,L2:2MB,rev.L2	0401	Any
HH80557PH0364M BX80557E6320	E6320	1.86 GHz,1066FSB,B2:4MB,rev.B2	0401	Any
BX80557E6320 HH80557PH0364M	E6320	1.86 GHz,1066FSB,L2:4MB,rev.B2	0401	Any
HH80557PH0462M BX80557E6400	E6400	2.13 GHz,1066FSB,L2:2MB,rev.B2	0401	Any
HH80557PH0462M BX80557E6400	E6400	2.13 GHz,1066FSB,L2:2MB,rev.L2	0401	Any
HH80557PH0464M BX80557E6420	E6420	2.13 GHz,1066FSB,L2:4MB,rev.B2	0401	Any
HH80557PJ0534M	E6540	2.33 GHz,1333FSB,L2:4MB,rev.G0	0401	Any
HH80557PJ0534MG BX80557E6550 BX80557E6550R	E6550	2.33 GHz,1333FSB,L2:4MB,rev.G0	0401	Any
HH80557PH0564M BX80557E6600	E6600	2.4 GHz,1066FSB,L2:4MB,rev.B2	0401	Any
HH80557PH0674M BX80557E6700	E6700	2.66 GHz,1066FSB,L2:4MB,rev.B2	0401	Any
HH80557PJ0674MG BX80557E6750	E6750	2.66 GHz,1333FSB,L2:4MB,rev.G0	0401	Any
HH80557PJ0804MG BX80557E6850	E6850	3 GHz,1333FSB,L2:4MB,rev.G0	0401	Any
EU80571PH0613M BX80571E7200 BXC80571E7200	E7200	2.53 GHz,1066FSB,L2:3MB,65W,rev.M0	1102	Any
EU80571PH0613M BX80571E7200 BXC80571E7200	E7200	2.53 GHz,1066FSB,L2:3MB,rev.M0	1102	Any
EU80571PH0673M BX80571E7300 BXC80571E7300	E7300	2.66 GHz,1066FSB,L2:3MB,65W, rev.M0	1102	Any
EU80571PH0673M BX80571E7300 BXC80571E7300	E7300	2.66 GHz,1066FSB,L2:3MB,rev.M0	1102	Any
AT80571PH0723M BX80571E7400 BXC80571E7400	E7400	2.8 GHz,1066FSB,L2:3MB,rev.R0	1207	Any
AT80571PH0773M BX80571E7500 BXC80571E7500	E7500	2.93 GHz,1066FSB,L2:3MB,rev.R0	1207	Any
AT80571PH0833ML BX80571E7600 BXC80571E7600	E7600	3.06 GHz,1066FSB,L2:3MB,rev.R0	1302	Any
EU80570PJ0676M BX80570E8200 BXC80570E8200 BX80570E8200A	E8200	2.66 GHz,1333FSB,L2:6MB,65W,rev.C0	0907	Any
EU80570PJ0676M BX80570E8200 BXC80570E8200 BX80570E8200A	E8200	2.66 GHz,1333FSB,L2:6MB,rev.C0	0907	Any
EU80570AJ0736M BX80570E8300	E8300	2.83 GHz,1333FSB,L2:6MB,65W,rev.C0	1004	Any	beta
EU80570AJ0736M BX80570E8300	E8300	2.83 GHz,1333FSB,L2:6MB,rev.C0	1004	Any	beta
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3 GHz,1333FSB,L2:6MB,65W,rev.C0	0907	Any
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3 GHz,1333FSB,L2:6MB,65W,rev.E0	1207	Any
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3 GHz,1333FSB,L2:6MB,rev.C0	0907	Any
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16 GHz,1333FSB,L2:6MB,65W,rev.C0	0907	Any
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16 GHz,1333FSB,L2:6MB,65W,rev.E0	1207	Any
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16 GHz,1333FSB,L2:6MB,rev.C0	0907	Any
AT80570PJ0936M BX80570E8600 BXC80570E8600	E8600	3.33 GHz,1333FSB,L2:6MB,65W,rev.E0	1207	Any
Intel Core 2 Duo Xeon
EU80570KJ0806M AT80570KJ0806M BX80570E3110	E3110	3 GHz,1333FSB,L2:6MB,rev.C0	1004	Any
Intel Core 2 Extreme
HH80562PH0678M BX80562QX6700	QX6700	2.66 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0401	Any
HH80562PH0678M BX80562QX6700	QX6700	2.66 GHz,1066FSB,L2:2X4MB,revB3,4 cores	0401	Any
HH80562PH0678M BX80562QX6700	QX6700	revB3,2.66 GHz,1066FSB,L2:2X4MB	0401	Any
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	2.93 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0401	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
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	revB3,2.93 GHz,1066FSB,L2:2X4MB	0401	Any
HH80562XJ0808M BX80562QX6850	QX6850	3 GHz,1333FSB,L2:2X4MB,rev.G0,4 cores	0401	Any
HH80562XJ0808M BX80562QX6850	QX6850	revG0,3 GHz,1333FSB,L2:2X4MB	0401	Any
EU80569XJ080NL BX80569QX9650	QX9650	3 GHz,1333FSB,L2:2X6MB,rev.C0,4 cores	0602	Any
EU80569XJ080NL BX80569QX9650	QX9650	3 GHz,1333FSB,L2:2X6MB,rev.C1,4 cores	1004	Any	beta
EU80569XJ080NL BX80569QX9650	QX9650	rev.C1,3 GHz,1333FSB,L2:2X6MB,4 cores	1004	Any	beta
EU80569XJ080NL BX80569QX9650	QX9650	revC0,3 GHz,1333FSB,L2:2X6MB	0602	Any
EU80569XL088NL BX80569QX9770	QX9770	3.2 GHz,1600FSB,L2:2X6MB,rev.C0,4 cores	1004	Any	beta
EU80569XL088NL BX80569QX9770	QX9770	3.2 GHz,1600FSB,L2:2X6MB,rev.C1,4 cores	1004	Any	beta
EU80569XL088NL BX80569QX9770	QX9770	revC1,3.2 GHz,1600FSB,L2:2X6MB	1004	Any	beta
HH80557PH0774M BX80557X6800	X6800	2.93 GHz,1066FSB,L2:4MB,rev.B2	0401	Any
HH80557PH0774M BX80557X6800	X6800	2.93 GHz,1066FSB,L2:4MB,revB2	0401	Any
Intel Core 2 Quad
HH80562PH0468M BX80562Q6400	Q6400	2.13 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0401	Any
HH80562PH0568M BX80562Q6600	Q6600	2.4 GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0401	Any
HH80562PH0568M BX80562Q6600	Q6600	2.4 GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0401	Any
HH80562PH0678MK BX80562Q6700	Q6700	2.66 GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0401	Any
EU80580PJ0534MN AT80580PJ0534MN BX80580Q8200	Q8200	rev.M1,2.33 GHz,1333FSB,L2:4MB,4 cores	1207	Any
EU80580PJ0534MN AT80580PJ0534MN BX80580Q8200	Q8200	rev.R0,2.33 GHz,1333FSB,L2:4MB,4 cores	1302	Any
AT80580AJ0534MN BX80580Q8200S	Q8200S	rev.R0,2.33 GHz,1333FSB,L2:4MB,4 cores	1302	Any
AT80580PJ0604MN BX80580Q8300 BXC80580Q8300	Q8300	rev.R0,2.5 GHz,1333FSB,L2:4MB,4 cores	1207	Any
AT80580PJ0674ML BX80580Q8400 BXC80580Q8400	Q8400	rev.R0,2.66 GHz,1333FSB,L2:4MB,4 cores	1302	Any
AT80580AJ0674ML	Q8400S	rev.R0,2.66 GHz,1333FSB,L2:4MB,4 cores	1302	Any
EU80580PJ0606M BX80580Q9300	Q9300	2.5 GHz,1333FSB,L2:6MB,rev.M1,4 cores	1004	Any	beta
AT80580PJ0676M BX80580Q9400 BXC80580Q9400	Q9400	rev.R0,2.66 GHz,1333FSB,L2:12MB	1207	Any
AT80580PJ0676M BX80580Q9400 BXC80580Q9400	Q9400	rev.R0,2.66 GHz,1333FSB,L2:6MB	1207	Any
AT80580AJ0676M BX80580Q9400S	Q9400S	rev.R0,2.66 GHz,1333FSB,L2:6MB	1302	Any
EU80569PJ067N BX80569Q9450	Q9450	2.66 GHz,1333FSB,L2:12MB,rev.C0,4 cores	0907	Any
EU80569PJ067N BX80569Q9450	Q9450	2.66 GHz,1333FSB,L2:12MB,rev.C1	1004	Any	beta
EU80569PJ067N BX80569Q9450	Q9450	2.66 GHz,1333FSB,L2:12MB,rev.C1,4 cores	1004	Any	beta
AT80580PJ0736ML	Q9500	2.83 GHz,1333FSB,L2:6MB,rev.R0	1302	Any
AT80580PJ0736MG BX80580Q9505 BXC80580Q9505	Q9505	rev.R0,2.83 GHz,1333FSB,L2:6MB	1302	Any
EU80569PJ073N BX80569Q9550	Q9550	2.83 GHz,1333FSB,L2:12MB,rev.C1	1004	Any	beta
EU80569PJ073N BX80569Q9550	Q9550	2.83 GHz,1333FSB,L2:12MB,rev.C1,4 cores	1004	Any	beta
EU80569PJ073N BX80569Q9550	Q9550	rev.E0,2.83 GHz,1333FSB,L2:12MB	1207	Any
AT80569AJ073N BX80569Q9550S	Q9550S	rev.E0,2.83 GHz,1333FSB,L2:12MB	1302	Any
AT80569PJ080N BX80569Q9650 BXC80569Q9650	Q9650	rev.E0,3 GHz,1333FSB,L2:12MB	1207	Any
Intel Pentium D
HH80551PG0722MN BX80551PG2800FN BX80551PG2800FT	820	2.8 GHz, 800 FSB, revA0	0401	Any
HH80551PG0722MN BX80551PG2800FN BX80551PG2800FT	820	2.8 GHz, 800 FSB, revB0	0401	Any
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 FSB, revA0	0401	Any
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3 GHz, 800 FSB, revB0	0401	Any
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 FSB, revA0	0401	Any
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 FSB, revB0	0401	Any
HH80553PG0724MN BX80553915 BX80553915R	915	2.8 GHz, 800 FSB, L2 4MB, revC1, without VT function	0401	Any
HH80553PG0724MN BX80553915 BX80553915R	915	2.8 GHz, 800 FSB, L2 4MB, revD0,without VT function	0401	Any
HH80553PG0724M BX80553920 BX80553920T	920	2.8 GHz, 800 FSB, L2 4MB, revB1	0401	Any
HH80553PG0804MN BX80553925	925	3 GHz, 800 FSB, L2 4MB, revC1, without VT function	0401	Any
HH80553PG0804MN BX80553925	925	3 GHz, 800 FSB, L2 4MB, revD0, without VT function	0401	Any
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 FSB, L2 4MB, revB1	0401	Any
HH80553PG0804M BX80553930 BX80553930T	930	3 GHz, 800 FSB, L2 4MB, revC1	0401	Any
HH80553PG0884MN BX80553935	935	3.2 GHz, 800 FSB, L2 4MB, 95W, revD0	0401	Any
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 FSB, L2 4MB, revB1	0401	Any
HH80553PG0884M BX80553940 BX80553940T	940	3.2 GHz, 800 FSB, L2 4MB, revC1	0401	Any
HH80553PG0964MN BX80553945 BX80553945R	945	3.4 GHz, 800 FSB, L2 4MB, revC1, without VT function	0401	Any
HH80553PG0964MN BX80553945 BX80553945R	945	3.4 GHz, 800 FSB, L2 4MB, revD0, without VT function	0401	Any
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 FSB, L2 4MB, revB1	0401	Any
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 FSB, L2 4MB, revC1	0401	Any
HH80553PG0964M BX80553950 BX80553950T	950	3.4 GHz, 800 FSB, L2 4MB, revD0	0401	Any
HH80553PG1044M BX80553960	960	3.6 GHz, 800 FSB, L2 4MB, revC1	0401	Any
HH80553PG1044M BX80553960	960	3.6 GHz, 800 FSB, L2 4MB, revD0	0401	Any
Intel Pentium Dual-Core
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz, 800FSB, L2 1MB, rev.L2	0401	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz, 800FSB, L2 1MB,L2	0401	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz,800FSB,L2 1MB,M0	0401	Any
BX80557E2140 BXC80557E2140 HH80557PG0251M	E2140	1.6 GHz,800FSB,L2 1MB,rev.M0	0401	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz, 800FSB, L2 1MB, rev.L2	0401	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz, 800FSB, L2 1MB,L2	0401	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz,800FSB,L2 1MB,M0	0401	Any
BX80557E2160 BXC80557E2160 HH80557PG0331M	E2160	1.8 GHz,800FSB,L2 1MB,rev.M0	0401	Any
BX80557E2180 BXC80557E2180 HH80557PG0411M	E2180	2 GHz,800FSB,L2 1MB,M0	0401	Any
BX80557E2180 BXC80557E2180 HH80557PG0411M	E2180	2 GHz,800FSB,L2 1MB,rev.M0	0401	Any
BX80557E2200 BXC80557E2200 HH80557PG0491M	E2200	2.2 GHz,800FSB,L2 1MB,M0	0907	Any
BX80557E2200 BXC80557E2200 HH80557PG0491M	E2200	2.2 GHz,800FSB,L2 1MB,rev.M0	0907	Any
AT80571RG0491M BXC80571E2210 EU80571RG0491M	E2210	2.2 GHz,800FSB,L2 1MB,R0	1403	Any
BX80557E2220 BXC80557E2220 HH80557PG0561M	E2220	2.4 GHz,800FSB,L2 1MB,M0	0907	Any
BX80557E2220 BXC80557E2220 HH80557PG0561M	E2220	2.4 GHz,800FSB,L2 1MB,rev.M0	0907	Any
	E5000	3.4 GHz,800FSB,L2:2MB,rev.R0	1501	Any
AT80571PG0602M BX80571E5200 BXC80571E5200 EU80571PG0602M	E5200	2.5 GHz,800FSB,L2:2MB,rev.M0	1207	Any
AT80571PG0602M BX80571E5200 BXC80571E5200 EU80571PG0602M	E5200	2.5 GHz,800FSB,L2:2MB,rev.R0	1302	Any
AT80571PG0642M AT80571PG0642ML BX80571E5300 BXC80571E5300	E5300	2.6 GHz,800FSB,L2:2MB,rev.R0	1207	Any
AT80571PG0682M AT80571PG0682ML BX80571E5400 BXC80571E5400	E5400	2.7 GHz,800FSB,L2:2MB,rev.R0	1207	Any
AT80571PG0722ML BX80571E5500 BXC80571E5500	E5500	2.8 GHz,800FSB,L2:2MB,rev.R0	1501	Any
AT80571PG0802ML BX80571E5700 BXC80571E5700	E5700	3 GHz,800FSB,L2:2MB,rev.R0	1501	Any
AT80571PG0882ML BX80571E5800	E5800	3.2 GHz,800FSB,L2:2MB,rev.R0	1501	Any
AT80571PH0722ML BX80571E6300 BXC80571E6300	E6300	2.8 GHz,1066FSB,L2:2MB,rev.R0	1302	Any
AT80571PH0772ML BX80571E6500 BXC80571E6500	E6500	2.93 GHz,1066FSB,L2:2MB,rev.R0	1302	Any
AT80571PH0832ML BX80571E6600 BXC80571E6600	E6600	3.06 GHz,1066FSB,L2:2MB,rev.R0	1302	Any
AT80571PH0882ML BX80571E6700 BXC80571E6700	E6700	3.2 GHz,1066FSB,L2:2MB,rev.R0	1501	Any
AT80571PH0932ML BX80571E6800	E6800	3.3 GHz,1066FSB,L2:2MB,rev.R0	1501	Any
Intel Pentium Extreme Edition
HH80551PG0882MM BX80551PG3200F	840	3.2 GHz, 800 FSB, revA0	0401	Any
HH80551PG0882MM BX80551PG3200F	840	3.2 GHz, 800 FSB, revB0	0401	Any
HH80553PH0994M BX80553955	955	3.46 GHz, rev A0,B1	0401	Any
HH80553PH1094M BX80553965	965	3.73 GHz, rev C1	0401	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.