ASRock P4i945GC motherboard specifications

Form factor:	micro-ATX 244mm x 196mm
CPU socket type:	Socket 478
Chipset:	Intel 945GC Intel ICH7
Memory:	2 DDR2 DIMM slots Up to 4 GB DDR2-400/DDR2-533/DDR2-667 Dual-channel DDR2
Integrated graphics:	Intel Graphics Media Accelerator 950 Up to 224 MB of shared RAM Maximum resolution 2048 x 1536 at 60Hz (VGA port) Supports DirectX 9
Integrated Audio:	7.1-channel HD audio Realtek ALC888 audio codec
Expansion slots:	1 x PCIe x1 1 x PCIe x16 2 x PCI
Supported Operating System(s):	Microsoft Windows 2000 Microsoft Windows 7 Microsoft Windows Vista Microsoft Windows XP

NOTE: specifications are not complete

ASRock P4i945GC CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80532RC041128 BX80532RC2000B	2.00 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC045128 BX80532RC2100B	2.10 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC049128 BX80532RC2200B	2.20 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC052128 BX80532RC2300B	2.30 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC056128 BX80532RC2400B	2.40 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC060128 BX80532RC2500B	2.50 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC064128 BX80532RC2600B	2.60 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC068128 BX80532RC2700B	2.70 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
RK80532RC072128 BX80532RC2800B	2.80 GHz	400 MHz FSB, 128 KB cache, Northwood	Any
Intel Celeron D
RK80546RE046256 NE80546RE046256 BX80546RE2130C	310	2.13 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE051256 NE80546RE051256 BX80546RE2267C	315	2.26 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE056256 NE80546RE056256 BX80546RE2400C	320	2.4 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE061256 NE80546RE061256 BX80546RE2533C	325	2.53 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE067256 NE80546RE067256 BX80546RE2667C	330	2.66 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE072256 NE80546RE072256 BX80546RE2800C	335	2.8 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE077256 NE80546RE077256 BX80546RE2933C	340	2.93 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE083256 NE80546RE083256 BX80546RE3066C	345	3.06 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE088256 NE80546RE088256 BX80546RE3200C	350	3.2 GHz, 533 MHz FSB, 256 KB cache, Prescott	Any
RK80546RE088256 NE80546RE088256 BX80546RE3200C	350	3.2 GHz, 533 MHz FSB, 256 KB cache, Prescott, Stepping G1	Any
Intel Pentium 4
RK80532PC041512 BX80532PC2000D	2.00 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC049512 BX80532PC2200D	2.20 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE051512 BX80532PE2266D	2.26 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC056512 BX80532PC2400D	2.40 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
B80546PE0561M BX80546PE2400E	2.40 GHz	533 MHz FSB, 1 MB cache, Prescott	Any
RK80532PE056512 BX80532PE2400D	2.40 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG056512 BX80532PG2400D	2.40 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PC060512 BX80532PC2500D	2.50 GHz	400 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE061512 BX80532PE2533D	2.53 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG064512 BX80532PG2600D	2.60 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE067512 BX80532PE2667D	2.66 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80546PE0721M BX80546PE2800E	2.80 GHz	533 MHz FSB, 1 MB cache, Prescott	Any
RK80532PE072512 BX80532PE2800D	2.80 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0721M BX80546PG2800E	2.80 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG072512 BX80532PG2800D	2.80 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0801M BX80546PG3000E	3.00 GHz	800 MHz FSB, 1 MB cache, Prescott	Any
RK80532PG080512 BX80532PG3000D	3.00 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PE083512 BX80532PE3066D	3.06 GHz	533 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG088512 BX80532PG3200D	3.20 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80532PG096512 BX80532PG3400D	3.40 GHz	800 MHz FSB, 512 KB cache, Northwood	Any
RK80546PG0961M BX80546PG3400E	G1	3.4 GHz, 800 MHz FSB, 1 MB cache, Prescott	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.