Computer Manufacturer : HP-Pavilion GN556AA-ABA A6200N, Family : 103C_53316J
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Mainboard:

Platform Compliance : AMD LIVE!
MB Manufacturer : ECS MCP61PM-HM HP/Compac MB Name: Nettle2
Multi-Processor (MP) Support : 1 Processor(s), MPS Version : 1.40
System BIOS : 09/05/2007-MCP61P-6A61KE11C-00 Version : 1.0

On-board Devices: Video, Ethernet, Sound (all disabled)

Chipset 1:

Model : AMD Athlon 64 / Opteron HyperTransport Technology Configuration
Revision : A1, Bus : HyperTransport, Version : 1.02
Front Side Bus Speed : 2x 1.00GHz (2.01GHz), Maximum FSB Speed : 2x 1GHz (2GHz)
In/Out Width : 16-bit / 16-bit, I/O Queue Depth : 4 request(s)
Maximum Bus Bandwidth : 7.85GB/s

Chipset 1 Hub Interface: Type : HyperTransport, Version : 1.02, In/Out Width : 16-bit / 16-bit, Speed : 2x 1.00GHz (2.01GHz)

Logical/Chipset 1 Memory Banks, Bank 2 : 1GB DDR2 5.0-5-5-15 CR1, Bank 3 : 1GB DDR2 5.0-5-5-15 CR1
Supported Memory Types : ECC Registered DDR2, Dual-Channel, Bank Interleave : 2-way
Memory Bus Speed : 2x 327MHz (654MHz), Maximum Memory Speed : 2x 400MHz (800MHz), Multiplier : 1/8x, Width : 64-bit

LPC Hub Controller 1: Model : HP MCP61 LPC Bridge, Revision : K3
LPC Hub Controller 2: Model : HP MCP61 SMBus, Revision : K3

USB Controller 1 & 2
Model : HP MCP61 USB Controller, Revision : K4, Version : 1.00
Interface : OHCI, Channels : 10
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps), Controller 2: High (480Mbps)
Legacy Emulation Enabled : No

FireWire/1394 Controller 1: HP VT6306 VIA Fire II IEEE-1394 OHCI Link Layer Controller, Revision: I1, Interface : OHCI

System SMBus Controller 1 & 2: nVidia MCP5+ SMBus 1, Version : 0A.02
Advanced TCO Mode Enabled : No, Slave Device Enabled : No, PEC Support : No

Performance Tips

Notice 224 : SMBIOS/DMI information may be inaccurate.
Warning 100 : Large memory sizes should be made of Registered/Buffered memory.
Tip 2546 : Large memory modules should be ECC/Parity.