Slijedeće informacije sam našao o Gigabyte pločama. Značenja onih (D)S1-(D)S4:
S1- Safe:
DualBIOS(TM) Plus - BIOS crash free protection with DualBIOSTMand Xpress BIOS Rescue
Virtual DualBIOS -BIOS crash free protection with physical BIOS and Xpress BIOS Rescue
BIOS Setting Recovery - Recoverable safe and frequently used CMOS settings
HDD S.M.A.R.T. - Hard drive 'Self Monitoring Analysis and Reporting Technology' support
C.O.M. ( Corporate Online Manager ) - System administration utility for local area network
Xpress Recovery2 - Quick system image backup and restore
PC Health Monitor - System health monitor via BIOS and EasyTune utility
S2 - Smart:
Download Center - Smart driver selection and download from GIGABYTE's website
@BIOS/Q-Flash - Smart and automatic BIOS update via internet / BIOS built-in flash utility
Smart LAN - BIOS built-in diagnostic program to examine LAN cable connection status
Xpress Install - Complete drivers installation on one simple click
Boot Menu - Select boot device without entering bios setup
Smart Fan - Make your system cooler and quieter
S3 - Speed:
EasyTuneTM 5 & M.I.T. ( Motherboard Intelligent Tweaker )
Overclocking - Wide range of frequency tuning for CPU/MEMORY/PCI Express/PCI bus speed
Overvoltage - Flexible voltage setting for CPU/Memory/PCI-E/Chipset to enhance overclocking ability
S4 - Silent Pipe
D - Durability - upotreba još kvalitetnijih (Conductive Polymer Aluminum Solid Capacitors) kondenzatora za povećavanje životnog vijeka i stabilnosti ploče
Q ploče s dodatnim "četverostrukim" tehnologijama:
Quad BIOS - DualBIOSTM and Express BIOS Rescue tehnologija. Ukratko, na flash ROM-u, hardu i driver CD-u imate 4 kopije BIOSa.
Quad Cooling - kombinacija Crazy Cool and Silent-Pipe tehnologija - MOSFETi, north bridge i south bridge su pokriveni hladnjacima
Quad Triple Phase - 12 fazno napajanje koje daje stabilniji napon i produžava radni vijek komponentama
Quad eSATA2 - četri vanjska konektora za Serial ATA 3Gb/s periferije.
Quad Core Ready - uh, nemam ni Dual Core
Quad DDR2 Slots - 4 DDR2 800 utora
S1 ploče ne postoje
S2 na ploči označava Safe & Smart tehnologije i ti su modeli namjenjeni mainstream tržištu, nisu za OC
S3 modeli sadrže Safe, Smart & Speed tehnologije - modeli za OCanje
S4 - na S3 je dodano još heatpipe hlađenje čipseta. Trenutno samo na pločama s "D" oznakom. Viša klasa OC modela.
Na S3 i S4 ploče se stavljaju kvalitetni kondići koji produžuju vijek ploče, takvi modeli su označeni prefiksom D - DS3, DS4
Edit: modeli slijede naknadno