ASUS K8U-X motherboard specifications

Form factor:	ATX 12" x 7" / 30.5 cm x 17.8 cm
CPU socket type:	Socket 754
Front Side Bus:	800MHz
Chipset:	ULI M1689
Motherboard features:	CrashFree BIOS 2 EZ Flash MyLogo
Overclocking features:	CPU Parameter Recall JumperFree Overclocking Protection Stepless Frequency Selection
USB:	USB 2.0 x 8
BIOS:	AMI BIOS 4 MB Flash
Expansion slots:	AGP 8x x 1 PCI x 4
Internal connectors:	ATX Power (20-pin) x 1 CD/AUX audio in x 1 CPU Fan x 1 Chassis Fan x 1 Chassis Intrusion x 1 Front panel audio x 1
Rear panel ports:	Audio I/O x 1 LAN RJ45 x 1 PS/2 Keyboard x 1 PS/2 Mouse x 1 Parallel port x 1 S/PDIF Out x 1 Serial port x 1 USB 2.0/1.1 x 4
Included accessories:	FDD cables I/O Shield x 1 SATA cables SATA power cables UltraDMA 133/100/66 cables User manual x 1

NOTE: specifications are not complete

ASUS K8U-X CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
AMD Athlon 64
ADA2800AEP4AP ADA2800BOX ADA2800AEP4AR ADA2800BOX ADA2800AEP4AX ADA2800AXBOX	2800+	Socket754	Any	Any
ADA3000AEP4AP ADA3000BOX ADA3000AEP4AR ADA3000BOX ADA3000AEP4AX ADA3000AXBOX ADA3000AEP5AP ADA3000AEP5AR ADA3000AIK4BX ADA3000BXBOX ADA3000AKK4BX	3000+	Socket754	0703	Any
ADA3000AIK4BX ADA3000BXBOX ADA3000AKK4BX	3000+	Socket754, revE6	1001	Any
ADA3200AEP5AP ADA3200BOX ADA3200AEP5AR ADA3200BOX ADA3200AEP4AX ADA3200AXBOX ADA3200AIO4BX ADA3200BXBOX	3200+	Socket754	Any	Any
ADA3200AIO4BX ADA3200BXBOX	3200+	Socket754, revE6	1001.010	Any
ADA3400AEP5AP ADA3400BOX ADA3400AEP4AR ADA3400AEP5AR ADA3400BOX ADA3400AEP4AX ADA3400AXBOX ADA3400AIK4BO	3400+	Socket754	Any	Any
ADA3700AEP5AR ADA3700BOX	3700+	Socket754	Any	Any
AMD Sempron
SDA2600AIO2BA SDA2600BABOX SDA2600CVBOX	2600+	Socket754, rev.D, no Cool'n'Quiet	Any	Any
SDA2800AIO3BA SDA2800BABOX SDA2800CVBOX	2800+	Socket754, rev.D, no Cool'n'Quiet	Any	Any
SDA3000AIO2BA SDA3000BABOX SDA3000CVBOX	3000+	Socket754, rev.D	Any	Any
SDA3100AIP3AX SDA3100AXBOX	3100+	Socket754, CG version	Any	Any
SDA3100AIO3BA SDA3100BABOX SDA3100CVBOX	3100+	Socket754, rev.D	Any	Any
SDA3300AIO2BA SDA3300BABOX SDA3300CVBOX	3300+	Socket754, rev.D	Any	Any
AMD Sempron 64
SDA2500AIO3BX SDA2500BXBOX	2500+	Socket754, rev.E6	0604	Any
SDA2600AIO2BO SDA2600BOBOX	2600+	Socket754, rev.E3, no Cool'n'Quiet	0301	Any
SDA2600AIO2BX SDA2600BXBOX	2600+	Socket754, rev.E6	0604	Any
SDA2800AIO3BO SDA2800BOBOX	2800+	Socket754, rev.E3, no Cool'n'Quiet	0301	Any
SDA2800AIO3BX SDA2800BXBOX	2800+	Socket754, rev.E6	0604	Any
SDA3000AIO2BO SDA3000BOBOX	3000+	Socket754, rev.E3	0301	Any
SDA3000AIO2BX SDA3000BXBOX	3000+	Socket754, rev.E6	0604	Any
SDA3100AIO3BO SDA3100BOBOX	3100+	Socket754, rev.E3	0301	Any
SDA3100AIO3BX SDA3100BXBOX	3100+	Socket754, rev.E6	0604	Any
SDA3300AIO2BO SDA3300BOBOX	3300+	Socket754, rev.E3	0604	Any
SDA3300AIO2BX SDA3300BXBOX	3300+	Socket754, rev.E6	0604	Any
SDA3400AIO3BX SDA3400BXBOX	3400+	Socket754, rev.E6	0604	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.