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Shuttle XPC SN27P2 Small Formfactor Socket AM2 Barebones PC Review
Shuttle XPC SN27P2 Small Formfactor Socket AM2 Barebones PC Review - PCSTATS
**UPDATED with EOL REPORT.** Shuttle's latest Small Formfactor PC is its XPC SN27P2 which is based around nVIDIA's nForce 570 Ultra chipset and supports 940-pin socket AM2 processor.
Filed under: Computer / SFF PCs Published:  Author: 
External Mfg. Website: Shuttle Jun 06 2006   Max Page  
Home > Reviews > Computer / SFF PCs > Shuttle XPC SN27P2

Overclocking the Shuttle XPC SN27P2 / BIOS

Overclocking Results:
stock max. oc
motherboard speed: 200 mhz

236 mhz

if you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

We've had some luck overclocking Shuttle SFF PC's in the past, and we're anticipating another positive experience with the XPC SN27P2. Before we got to the overclocking, the memory was first set to run at DDR2-533 MHz mode and the socket AM2 processor clock multiplier was also lowered to 7x. These settings ensure that neither the processor nor memory will hold the system back.

Starting at 200 MHz, we raised the clock speed in 2-3 MHz intervals. Overclocking was rather uneventful and in no time the system reached its maximum speed of 236 MHz. A couple other settings where tried, but anything higher than 236MHz motherboard speed caused instability with the Shuttle XPC SN27P2, or it simply refused to boot.


Shuttle has an excellent reputation for putting together enthusiast class small formfactor PCs. Its XPC SN27P2 BIOS options are a little better than most.

For the XPC SN27P2, Shuttle includes the basics when it comes to memory timing adjustments. You can change the memory frequency and memory timings like CAS Latency, RAS to CAS delay, Row Precharge Time and RAS Active Time.

In the Advanced Chipset Features section, you can adjust the HyperTransport speed, width and enable/disable SSE/SSE2 instructions.

Shuttle includes full multiplier selection, although depending on which socket AM2 processor you have certain options might be locked out. The motherboard frequency can be adjusted between 200-210 MHz in 0.5 MHz increments, 210-240 in 1 MHz increments and 240-300 MHz in 2 MHz increments. Maximum CPU voltage with the Athlon64 X2 5000+ is 1.525V, memory voltage 2.0V, and chipset voltage 1.6V. Not bad for a small formfactor PC!

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Contents of Article: Shuttle XPC SN27P2
 Pg 1.  Shuttle XPC SN27P2 Small Formfactor Socket AM2 Barebones PC Review
 Pg 2.  BYOC - Bring Your Own CPU
 Pg 3.  AM2 Small Formfactor Chassis
 Pg 4.  Expansion Options and Ports
 Pg 5.  Inside the Shuttle XPC SN27P2
 Pg 6.  AM2 Cooling Inside the XPC SN27P2
 Pg 7.  Hard Drives Inside the XPC SN27P2
 Pg 8.  Shuttle XPC SN27P2 Photo Gallery
 Pg 9.  Cooling in the XPC SN27P2 Photo Gallery
 Pg 10.  — Overclocking the Shuttle XPC SN27P2 / BIOS
 Pg 11.  Prelude to Benchmarks: SYSMark 2004
 Pg 12.  Benchmarks: Office Productivity, SiSoft Sandra, Super Pi
 Pg 13.  Benchmarks: PCMark05, 3DMark05
 Pg 14.  3DMark06, FarCry, X3: Reunion
 Pg 15.  Benchmarks: Doom 3, Quake 4
 Pg 16.  Shuttle's First Socket AM2 small formfactor PC

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