AOpen NX6B motherboard specifications

CPU socket type:

Slot 1

AOpen NX6B CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
BX80523R266000 Celeron 266	266	4x, FSB 66 MHz	R2.02
BX80523R300000 BX80524R300128 Celeron 300 Celeron 300A	300	4.5x, FSB 66 MHz	R2.02
80524RX300128 BX80524R300128	300A	4.5x, FSB 66 MHz	R2.02
BX80524R333128 Celeron 333	333	5x, FSB 66 MHz	R2.02
BX80524R366128 Celeron 366	366	5.5x, FSB 66 MHz	R2.02
Intel Pentium II
80522PX233512 80522PX233512EC B80522P233512	233 MHz	3.5x, FSB 66 MHz	R2.02
80522PX266512 80522PX266512EC 80523PX266512 80523PX266512PE B80522P266512 B80522P266512E B80523P266512E	266 MHz	4x, FSB 66 MHz	R2.02
80522PX300512 80522PX300512EC 80523PX300512PE B80522P300512E B80523P300512E	300 MHz	4.5x, FSB 66 MHz	R2.02
80523PX333512 80523PX333512PE B80523P333512E	333 MHz	5x, FSB 66 MHz	R2.02
80523PY350512 80523PY350512PE 80523PY350512PE B80523P350512E BX80523U350512E	350 MHz	3.5x, FSB 100 MHz	R2.02
80523PY400512 80523PY400512PE 80523PY400512PE B80523P400512E BX80523U400512E	400 MHz	4x, FSB 100 MHz	R2.02
80523PY450512 80523PY450512PE 80523PY450512PE B80523P450512E BX80523U450512E	450 MHz	4.5x, FSB 100 MHz	R2.02
	500 MHz	5x, FSB 100 MHz	R2.02
Intel Pentium III
80525PY450512 BX80525U450512 BX80525U450512E	450	4.5x, FSB 100 MHz	R2.02
80525PY500512 80526PY500256 BX80525U500512 BX80525U500512E	500	5x, FSB 100 MHz	R2.02
80525PZ533512 BX80525U533512 BX80525U533512E	533B	4x, FSB 133 MHz	R2.02
80525PY550512 80526PY550256 BX80525U550512 BX80526U550256 BX80526U550256E	550	5.5x, FSB 100 MHz	R2.02
80525PY600512 80526PY600256 BX80525U600512 BX80526H600256 BX80526H600256E BX80526PY600256	600	6x, FSB 100 MHz	R2.02
80525PZ600512 BX80525H600512 BX80525H600512E	600B	4.5x, FSB 133 MHz	R2.02

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.