The amount of main system memory allocated to support graphics may vary depending on the graphics system, applications utilized, system memory size and other factors. For PC's configured with 4 GB of system memory, the full system memory space for computing activities will be considerably less and will vary by model and system configuration. 6 Hard Disk Drive (HDD) Capacity. 1 Gigabyte (GB) means 109 = 1,000,000,000 bytes using powers of 10. The computer operating system, however, reports storage capacity using powers of 2 for the definition of 1 GB = 230 = 1,073,741,824 bytes, and therefore shows less storage capacity. Available storage capacity will also be less if the product includes one or more pre-installed operating systems, such as Microsoft Operating System and/or pre-installed software applications, or media content. Actual formatted capacity may vary. 7 Optical Drive. Due to manufacturing and quality variations in third party optical media (e.g., CD or DVD) or optical media players/recorders, in certain cases, your Toshiba optical drive may not record on certain optical media that bear the applicable logo, or playback optical media recorded by other PCs or optical media recorders. Additionally, certain optical media recorded on your optical drive may not playback or operate properly on other PCs or optical media players. These problems are not due to any defect in your Toshiba PC or optical drive. Please refer to your PC's product specification for listing of specific format compatibilities. Recording or viewing of certain optical media may be limited or prevented in accordance with applicable copy protection standards. 8 HD DVD Technology - General. Because HD DVD is a new format that makes use of new technologies, certain disc, digital connection and other compatibility and/or performance issues are possible. Advanced interactive and navigation features of the HD DVD Video format including, but not limited to, Picture in Picture (PIP) and network streaming features are not supported by this product. HD DVD Application Logo (HD DVD-ROM) represents the optical drive’s conformity with the DVD Forum’s verification criteria for HD DVD physical format, and does not represent compliance with the HD DVD Video specification defined by the DVD Forum. Advanced Access Content System (AACS) keys are integrated into your computer for copy protection purposes. Occasional renewal of the AACS key is required, and easily done by connecting to the Internet. AACS key renewal will be provided at no charge to purchasers. If the AACS key is not renewed, the HD DVD player software will stop playing AACS-protected HD DVD content. However, it will continue to play other forms of content, such as DVD discs or non-protected HD DVD content. For more information on AACS key, visit HD DVD Playback Capabilities. Depending on HD DVD content, you may experience “frame dropping” or lower performance. If your model has an HDMI port, HD DVD viewing on external display will require an HDCP capable HDMI™ input. External power required for viewing of HD DVD content. Since CPU power is dedicated to support HD DVD playback function, you must close all other applications during HD DVD playback. Audio content sampled using Linear PCM and having a quality higher than 48kHz/16bit will be down sampled to 48kHz/16bit. 9 TV Tuner: TV tuner will function only in the country where the computer was purchased. 10 Digital Cable TV Tuner. To receive digital cable TV channels, including premium programming, you must subscribe to a supported digital cable TV package, install and register your CableCARD and have internet connection. For more information about digital cable services, contact your local cable TV provider. The digital cable TV tuner does not support interactive services including, but not limited to, video-on-demand, pay-per-view or interactive programming guides. The digital cable TV tuner also does not support Satellite TV. 11 Display. Small bright dots may appear on your screen display when you turn on your PC. Your display contains an extremely large number of thin-film transistors (TFT) and is manufactured using high-precision technology. Any small bright dots that may appear on your display are an intrinsic characteristic of the TFT manufacturing technology. Over a period of time, and depending on the usage of the computer, the brightness of the screen will deteriorate. This is also an intrinsic characteristic of the screen technology. When the computer is operated on battery power, the screen with dim and you may not be able to increase the brightness of the screen while on battery power. 12 Graphics (Graphics Processing Unit). GPU performance may vary depending on product model, design configuration, applications, power management settings and features utilized. GPU performance is only optimized when operating in AC power mode and may decrease considerably when operating in battery power mode. Total Available...