DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.411MARKETING SYSTEM CONFIGURATIONSN O T E : O ff e r i n g s m a y v a r y b y c o u n t r y . F o r m o r e i n f o r m a t i o n r e g a r d i n g t h e c o n fi g u r a t i o n o f y o u r c o m p u t e r , c l i c kS t a r t > H e l p a n d S u p p o r t a n d s e l e c t t h e o p t i o n t o v i e w i n f o r m a t i o n a b o u t y o u r c o m p u t e r .OPER ATI N G S YS TEMMT DT SFF USFFWindows 7® operating systemMicrosoft® Windows 7® Home Basic (32 and 64 bit),Microsoft® Windows 7® Home Basic SP1 (32 and 64 bit),Microsoft® Windows 7® Home Premium (32 and 64 bit),Microsoft® Windows 7® Professional (32 and 64 bit),Microsoft® Windows 7® Ultimate (32 and 64 bit),Windows Vista® operating systemWindows Vista® Home Basic SP2 (32 bits),Windows Vista® Business SP2 (32 and 64 bit),Windows Vista® Ultimate SP2 (32 bit)Windows XP® operating system Basic Driver support only via Dell.comOther FreeDOS for (N-series),Ubuntu® Linux version 10.10 (China only)OS Media Support (optional) X X X XC HI PSE TMT DT SFF USFFChipset Intel Q67 Express ChipsetNon-volatile memory on chipsetBIOS Configuration SPI (Serial Peripheral Interface) 64Mbit (8MB) &16Mbit(2MB) located at SPI_FLASH on chipsetTPM 1.2 Security Device (Trusted Platform Module)1 18KB located at TPM1.2 on chipsetNon-TPM Available in select countriesNIC EEPROM LOM configuration contained within SPI_FLASH – no dedicatedLOM EEPROM