Gigabyte GA-8S655TX Ultra motherboard specifications

Form factor:	ATX 305mm x 244mm
CPU socket type:	Socket 478
Front Side Bus:	400MHz FSB 533MHz FSB 800MHz FSB
Memory:	4 DIMM slots Up to 4 GB Dual-channel DDR-266/DDR-333/DDR-400
BIOS:	2 x 2 Mbit Flash ROM
Rear panel ports:	1 x Audio Line-in 1 x Audio Line-out 1 x Audio Mic-in 1 x Keyboard PS/2 1 x Mouse PS/2 1 x Parallel 1 x RJ45 2 x Serial 4 x USB 2.0/1.1

NOTE: specifications are not complete

Gigabyte GA-8S655TX Ultra CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
RK80531RC029128 BX80531P170G128	1.7 GHz	400 MHz FSB	Any	1.x
RK80531RC033128 BX80531P180G128 RK80532RC033128 BX80532RC1800B	1.8 GHz	400 MHz FSB	Any	1.x
RK80531RC037128 BX80531P190G128	1.9 GHz	400 MHz FSB	Any	1.x
RK80531RC041128 BX80531P200G128 RK80532RC041128 BX80532RC2000B	2.0 GHz	400 MHz FSB	Any	1.x
RK80532RC045128 BX80532RC2100B	2.1 GHz	400 MHz FSB	Any	1.x
RK80532RC049128 BX80532RC2200B	2.2 GHz	400 MHz FSB	Any	1.x
RK80532RC056128 BX80532RC2400B	2.4 GHz	400 MHz FSB	Any	1.x
RK80532RC064128 BX80532RC2600B	2.6 GHz	400 MHz FSB	Any	1.x
RK80532RC072128 BX80532RC2800B	2.8 GHz	400 MHz FSB	Any	1.x
Intel Celeron D
RK80546RE046256 NE80546RE046256 BX80546RE2130C	310	2.13 GHz, 256KB, 533 MHz FSB		1.x	Not tested
RK80546RE046256 NE80546RE046256 BX80546RE2130C	310	533 MHz FSB, 2.13G		1.x	Not tested
RK80546RE051256 NE80546RE051256 BX80546RE2267C	315	2.26 GHz, 256KB, 533 MHz FSB		1.x	Not tested
RK80546RE051256 NE80546RE051256 BX80546RE2267C	315	533 MHz FSB, 2.26G		1.x	Not tested
RK80546RE056256 NE80546RE056256 BX80546RE2400C	320	533 MHz FSB, 2.4G	Any	1.x
RK80546RE061256 NE80546RE061256 BX80546RE2533C	325	533 MHz FSB, 2.53G	Any	1.x
RK80546RE067256 NE80546RE067256 BX80546RE2667C	330	533 MHz FSB, 2.66G	Any	1.x
RK80546RE072256 NE80546RE072256 BX80546RE2800C	335	533 MHz FSB, 2.8G	Any	1.x
RK80546RE077256 NE80546RE077256 BX80546RE2933C	340	533 MHz FSB, 2.93G		1.x	Not supported
RK80546RE083256 NE80546RE083256 BX80546RE3066C	345	533 MHz FSB, 3.06G		1.x	Not supported
RK80546RE088256 NE80546RE088256 BX80546RE3200C	350	533 MHz FSB, 3.2G		1.x	Not tested
RK80546RE056256 NE80546RE056256 BX80546RE2400C	2.4 GHz	533 MHz FSB, Prescott	Any	1.x
RK80546RE061256 NE80546RE061256 BX80546RE2533C	2.53 GHz	533 MHz FSB, Prescott	Any	1.x
RK80546RE067256 NE80546RE067256 BX80546RE2667C	2.66 GHz	533 MHz FSB, Prescott	Any	1.x
RK80546RE072256 NE80546RE072256 BX80546RE2800C	2.8 GHz	533 MHz FSB, Prescott	Any	1.x
RK80546RE077256 NE80546RE077256 BX80546RE2933C	2.93 GHz	533 MHz FSB, Prescott		1.x	Not supported
RK80546RE083256 NE80546RE083256 BX80546RE3066C	3.06 GHz	533 MHz FSB, Prescott		1.x	Not supported
Intel Pentium 4
RK80531PC017G0K BX80531NK140G	1.4 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PC021512	1.5 GHz	400 MHz FSB, Northwood	Any	1.x
RK80531PC021G0K BX80531NK150G	1.5 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PC025512 BX80532PC1600D	1.6 GHz	400 MHz FSB, Northwood	Any	1.x
RK80531PC025G0K BX80531NK160G	1.6 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PD025512	1.6 GHz	533 MHz FSB, Northwood	Any	1.x
RK80532PC029512	1.7 GHz	400 MHz FSB, Northwood	Any	1.x
RK80531PC029G0K BX80531NK170G	1.7 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PD030512	1.73 GHz	533 MHz FSB, Northwood	Any	1.x
RK80532PC033512 BX80532PC1800D	1.8 GHz	400 MHz FSB, Northwood	Any	1.x
RK80531PC033G0K BX80531NK180G	1.8 GHz	400 MHz FSB, Willamette	Any	1.x
RK80531PC037G0K BX80531NK190G	1.9 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PC041512 BX80532PC2000D	2.0 GHz	400 MHz FSB, Northwood	Any	1.x
RK80531PC041G0K BX80531NK200G	2.0 GHz	400 MHz FSB, Willamette	Any	1.x
RK80532PC049512 BX80532PC2200D	2.2 GHz	400 MHz FSB, Northwood	Any	1.x
RK80532PE051512 BX80532PE2266D	2.26 GHz	533 MHz FSB, Northwood	Any	1.x
RK80532PC056512 BX80532PC2400D	2.4 GHz	400 MHz FSB, Northwood	Any	1.x
RK80532PE056512 BX80532PE2400D	2.4 GHz	533 MHz FSB, Northwood	Any	1.x
B80546PE0561M BX80546PE2400E	2.4 GHz	533 MHz FSB, Prescott	Any	1.x
RK80532PG056512 BX80532PG2400D	2.4 GHz	800 MHz FSB, Northwood	Any	1.x
RK80532PC060512 BX80532PC2500D	2.5 GHz	400 MHz FSB, Northwood	Any	1.x
RK80532PE061512 BX80532PE2533D	2.53 GHz	533 MHz FSB, Northwood	Any	1.x
RK80532PC064512 BX80532PC2600D	2.6 GHz	400 MHz FSB, Northwood	Any	1.x
RK80532PG064512 BX80532PG2600D	2.6 GHz	800 MHz FSB, Northwood	Any	1.x
RK80532PG064512 BX80532PG2600D	2.6 GHz	HT, 800 MHz FSB, Northwood	Any	1.x
RK80532PE067512 BX80532PE2667D	2.66 GHz	533 MHz FSB, Northwood	Any	1.x
RK80532PE072512 BX80532PE2800D	2.8 GHz	533 MHz FSB, Northwood	Any	1.x
RK80546PE0721M BX80546PE2800E	2.8 GHz	533 MHz FSB, Prescott	Any	1.x
RK80546PG0721M BX80546PG2800E	2.8 GHz	800 MHz FSB, Prescott	Any	1.x
RK80532PG072512 BX80532PG2800D	2.8 GHz	HT, 800 MHz FSB, Northwood	Any	1.x
RK80546PG0801M BX80546PG3000E	3.0 GHz	800 MHz FSB, Prescott	Any	1.x
RK80532PG080512 BX80532PG3000D	3.0 GHz	HT, 800 MHz FSB, Northwood	Any	1.x
RK80532PE083512 BX80532PE3066D	3.06 GHz	HT, 533 MHz FSB, Northwood	Any	1.x
RK80546PG0881M BX80546PG3200E	3.2 GHz	800 MHz FSB, Prescott		1.x	Not supported
RK80532PG088512 BX80532PG3200D	3.2 GHz	HT, 800 MHz FSB, Northwood		1.x	Not supported
RK80546PG0961M BX80546PG3400E	3.4 GHz	800 MHz FSB, Prescott		1.x	Not supported
RK80532PG096512 BX80532PG3400D	3.4 GHz	HT, 800 MHz FSB, Northwood		1.x	Not supported
Intel Pentium Extreme Edition
RK80532PG0802M	3.0 GHz	800 MHz FSB		1.x	Not supported
HH80551PG0882MM BX80551PG3200F	3.2 GHz	800 MHz FSB		1.x	Not supported
RK80532PG0962M BX80532PG3400F	3.4 GHz	800 MHz FSB		1.x	Not supported

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.