Socket 754

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Specifications
Socket 754

Type	PGA-ZIF
Chip form factors
Contacts	754
Bus Protocol
FSB	200 MHz System clock 800 MHz HyperTransport
Voltage range	0.8 - 1.55 V
Processors	AMD Athlon 64 (2800+ - 3700+) AMD Sempron (2500+ - ) AMD Turion 64 (ML and MT)
This article is part of the CPU socket series

Socket 754 is a CPU socket originally developed by AMD to succeed its powerful Athlon XP platform (Socket 462, also referred to as Socket A). Socket 754 was the first socket developed by AMD to support their new consumer version of the 64 bit microprocessor family known as AMD64.

1 Comparison to other sockets
2 Availability
3 Socket 754 chipsets

[edit] Comparison to other sockets

Socket 754 was the original socket for AMD's Athlon 64 desktop processors. Due to the recent introduction of newer socket layouts i.e. Socket 939 and AM2, Socket 754 has become the more "budget-minded" socket for use with AMD Athlon 64 or Sempron processors. In comparison, it differs from Socket 939 in several areas:

support for a single channel memory controller (64-bits wide) with maximum of 3 DIMMs (no dual channel support)
lower HyperTransport speed (800 MHz Bi-Directional, 16 bit data path, up and downstream)
lower effective data bandwidth (9.6 GB/s)
lower motherboard manufacturing costs

Although AMD has promoted Socket 754 as a budget platform on the desktop and encouraged mid and high end users to use Socket 939 (and recently Socket AM2) instead, Socket 754 remained for some time as AMD's high end solution for mobile applications i.e. no Socket 939 Athlon 64 CPUs has ever been marketed as a mobile processor.

[edit] Availability

The first processors using Socket 754 came on the market in Fall of 2003. Socket 754 is due to be gradually phased out in favor of Socket AM2, which was released on May 23, 2006.

[edit] Socket 754 chipsets

A chipset usually comprises two chips, a south side bridge and a north side bridge. The computer's peripheral controllers such as the drive controllers and sound devices are connected to the south bridge. Very fast devices such as AGP slots and PCI express slots are connected to the north bridge. The north and south bridges are connected, as are the CPU and the north bridge. The CPU and north bridge connection is usually referred to as the front side bus(FSB.)

Because AMD 64 CPUs have an onboard memory controller, the memory is connected to the CPU directly. In socket 754 chipsets, the connection between the CPU and the north bridge uses a method called HyperTransport. This bus is a 16 bit (two byte) DDR (double data rate bus). An 800 MHz HyperTransport bus has a bandwidth of 1.6 GB/s. This may be referred to as a front side bus, but it's not a traditional front side bus which normally handles data transfers from memory as well as peripherals. The nForce 3 and nForce 4 south bridges are integrated into the north bridge chip, as a result of being smaller due to the lack of a memory controller.

[edit] ATI Radeon XPRESS 200

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1); 1.5 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, PCI-E
Onboard Video: ATI Radeon X300
North Bridge: ATI Radeon XPRESS 200
South Bridge: ATI SB400

[edit] ATI XPRESS 200P

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, PCI-E
Onboard Video: none
North Bridge: ATI Radeon XPRESS 200
South Bridge: ULI M1573

[edit] NVIDIA GeForce 6100

RAM Type/Bus DDR 400/200 MHz (DDR bus)
FSB 800 MHz (HyperTransport)
Storage Controller ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Bus PCI, PCI-E
Onboard Video NVIDIA GeForce 6100
North Bridge NVIDIA GeForce 6100
South Bridge NVIDIA nForce 410

[edit] NVIDIA nForce3 250

RAM Type/Bus : DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1/0+1); 1.5 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, AGP (No PCI-E)
Onboard Video: No
Onboard Sound: 8 channel (Realtek ALC850)
North Bridge: NVIDIA nForce3 250
South Bridge:

[edit] NVIDIA nForce3 250Gb

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1/0+1); 1.5 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, AGP (No PCI-E)
Onboard Video: No
LAN: Integrated 1 Gbit/s LAN
North Bridge: NVIDIA nForce3 250Gb
South Bridge

[edit] NVIDIA nForce 4

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1/0+1); 1.5 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, PCI-E (No AGP)
Onboard Video: No
North Bridge: NVIDIA nForce4
South Bridge:

[edit] NVIDIA nForce4 4x

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1); 1.5 Gbit/s SATA
Bus: PCI, PCI-E (No AGP)
Onboard Video: No
North Bridge: NVIDIA nForce4
South Bridge ?

[edit] nVIDIA nForce4 SLI

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100 (RAID 0/1); 3 Gbit/s SATA (RAID 0/1/0+1)
Peripheral busses: PCI, PCI-E (Two PCI-E x16) (No AGP support)
Onboard Video: No
LAN: Integrated 1 Gbit/s LAN
North Bridge: NVIDIA nForce4
South Bridge

[edit] Sis 755

RAM Type/bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral busses: PCI, AGP (8x)
Onboard Video: No
North Bridge: SiS 755
South Bridge: SiS 964

[edit] SiS 760 GX

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral busses: PCI, AGP (8x)
Onboard Video: SiS Mirage2
Onboard Sound: 6 channel (Realtek 655)
North Bridge: SiS 760 GX
South Bridge: SiS 964

[edit] Sis 761 GX

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA
Peripheral busses: PCI, AGP (Pro)
Onboard Video: SiS Mirage2
North Bridge: SiS 761 GX
South Bridge: SiS 965L

[edit] Uli M1689

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral busses: PCI, AGP (8x)
Onboard Video: No
North Bridge: Uli M1689
South Bridge

[edit] VIA K8M800

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller: ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral busses: PCI, AGP (8x)
Onboard Video: Yes (VIA/S3G Unichrome Pro IGP)
North Bridge: VIA K8M800
South Bridge: VIA VT8237R

[edit] VIA K8T800

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 800 MHz (HyperTransport)
Storage Controller ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral Busses: PCI, AGP (8x)
Onboard Video: No
North Bridge: VIA K8T800
South Bridge: VIA VT8237R

[edit] VIA K8T800 Pro

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 1000 MHz (HyperTransport)
Storage Controller ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral Busses: PCI, AGP (8x)
Onboard Video: No
North Bridge: VIA K8T800 Pro
South Bridge: VIA VT8237

[edit] VIA K8T890

RAM Type/Bus: DDR 400/200 MHz (DDR bus)
FSB: 1000 MHz (HyperTransport)
Storage Controller ATA 100; 1.5 Gbit/s SATA (RAID 0/1)
Peripheral Busses: PCI, AGP (8x)
Onboard Video: No
North Bridge: VIA K8T890
South Bridge: VIA VT8237R

**AMD CPU sockets**
Server sockets:	Socket 940 \| Socket F
Desktop sockets:	Super Socket 7 \| Slot A \| Socket A \| Socket 754 \| Socket 939 \| Socket 940 \| Socket AM2 \| Socket F \| Socket AM3
Mobile sockets:	Socket 563 \| Socket S1

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