HP 7 G2 Owners Manual
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Non-volatile memory usageNon Volatile Memory TypeAmount (Size)Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of this memory?How is data input into this memory?How is this memory write protected?Real Time Clock (RTC) battery backed- up CMOS configuration memory (CMOS)256 BytesNoYesStores system date and time and limited keyboard controller data.Using the F10 Setup utility or changing the Microsoft Windows date and time.This memory is not write- protected. HP recommends password protecting the F10 Setup utility. Controller (NIC) EEPROM64 KBytes (not customer accessible)NoYesStore NIC configuration and NIC firmware.Using a utility from the NIC vendor that can be run from DOS.A utility is required to write data to this memory and is available from NIC vendor. Writing data to this ROM in an inappropriate manner will render the NIC nonfunctional.Keyboard ROM64 KBytes (not customer accessible)NoYesStores firmware code (keyboard, mouse, & battery management).Programmed at the factory. Code is updated when the system BIOS is updated.A utility is required for writing data to this memory and is available on the HP website. Writing data to this ROM in an inappropriate manner can render the PC nonfunctional.DIMM Serial Presence Detect (SPD) configuration data256 Bytes per memory module, 128 Bytes programmable (not customer accessible)NoYesStores memory module information.Programmed by the memory vendor.Data cannot be written to this memory when the module is installed in a PC. The specific write protection method varies by memory vendor.System BIOS4 to 5 MBytesYesYesStore system BIOS code and PC configuration data.System BIOS code is programmed at the factory. Code is updated when the system A utility is required for writing data to this memory and is available on the HP website. Non-volatile memory usage25
Non Volatile Memory TypeAmount (Size)Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of this memory?How is data input into this memory?How is this memory write protected?BIOS is updated. Configuration data and settings are input using the F10 setup utility or a custom utility. Writing data to this ROM in an inappropriate manner can render the PC nonfunctional.Intel Management Engine Firmware (present only in models ending in a ‘p’ or ‘w’ or with Intel Centrino Pro technology)1.5 or 5 MBytesYesYesStores Management Engine Code, Settings, Provisioning Data and iAMT third party data store.Management Engine Code is programmed at the factory. Code is updated via Intel secure firmware update utility. Unique Provisioning Data can be entered at the factory or by an administrator using the Management Engine (MEBx) setup utility. The third party data store contents can populated by a remote management console or local applications registered by an administrator to have access to the space.The Intel chipset is configured to enforce hardware protection to block all direct read/write access to this area. An Intel utility is required for updating the firmware. Only firmware updates digitally signed by Intel can be applied using this utility.Bluetooth flash2 MBitsNoYesStores Bluetooth configuration and firmware.Programmed at the factory. Tools for writing data to this memory are not publicly available but can be obtained from the silicon vendor.A utility is required for writing data to this memory and is made available through newer versions of the driver if the flash requires an upgrade.802.11 WLAN EEPROM4 KBytes to 8 KBytesNoYesStores configuration and calibration data.Programmed at the factory. Tools for writing data to A utility is required for writing data to this memory 26Chapter 7 Statement of Volatility
Non Volatile Memory TypeAmount (Size)Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of this memory?How is data input into this memory?How is this memory write protected?this memory are not made public.and is typically not made available to the public unless a firmware upgrade is necessary to address a unique issue.Webcam64 KBitsNoYesStore webcam configuration and firmware.Using a utility from the device manufacturer that can be run from Windows.A utility is required for writing data to this memory and is typically not made available to the public unless a firmware upgrade is necessary to address a unique issue.Fingerprint reader512 KBytes flashYesYesStores fingerprint templates.By enrolling in HP ProtectTools Security Manager.Only a digitally signed application can make the call to write to the flash. Questions and answers 1.How can the BIOS settings be restored (returned to default settings)? a.Turn on or restart the computer and press F10 when prompted near the bottom of the display. b.Select File, then select Restore defaults. c.Follow the on-screen instructions. d.Select File, save changes and exit, then press Enter. 2.What kind of configuration data is stored on the DIMM Serial Presence Detect (SPD) memory module? How would this data be written? The DIMM SPD memory contains information about the memory module such as size, serial number, data width, speed/timing, voltage and thermal information. This information is written by the module manufacturer and stored on an EEPROM. This EEPROM cannot be written to when the memory module is installed in a PC. Third party tools do exist that can write to the EEPROM when the memory module is not installed in a PC. There are various third party tools available to read SPD memory. Questions and answers27
3.Does the “Firmware Hub for System BIOS” contain the BIOS program? Is this chip writable, and if so how? The Firmware Hub does contain the BIOS program and is writable. A utility is required to perform the write function. 4.In some PC systems, the Firmware Hub for System BIOS is a flash memory chip so that updates can be written by the customer. Is this true for these BIOS chips? Yes, they are flash memory chips. 5.What is meant by “Restore the nonvolatile memory found in Intel-based system boards?” This relates to clearing the Real Time Clock (RTC) CMOS memory that contains PC configuration data. 6.Does resetting the CMOS configuration memory return the PC back to factory defaults? The process of resetting the CMOS will return certain system settings to factory default but will not reset many of the system data and configuration defaults to their default settings. To return these system data and configuration defaults to default settings, refer to question and answer 1 and follow the instructions for returning the BIOS settings to factory defaults. 28Chapter 7 Statement of Volatility
8Power cord set requirements The wide-range input feature of the tablet permits it to operate from any line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC. The 3-conductor power cord set included with the tablet meets the requirements for use in the country or region where the equipment is purchased. Power cord sets for use in other countries and regions must meet the requirements of the country or region where the tablet is used. Requirements for all countries The following requirements are applicable to all countries and regions: ●The length of the power cord set must be at least 1.0 m (3.3 ft) and no more than 2.0 m (6.5 ft). ●All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used. ●The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC, as required by the power system of each country or region. ●The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the tablet. Requirements for specific countries and regions Country/regionAccredited agencyApplicable note numberAustraliaEANSW1AustriaOVE1BelgiumCEBC1CanadaCSA2DenmarkDEMKO1FinlandFIMKO1FranceUTE1GermanyVDE1ItalyIMQ1JapanMETI3The NetherlandsKEMA1NorwayNEMKO1The People's Republic of ChinaCOC5South KoreaEK4Requirements for all countries29
Country/regionAccredited agencyApplicable note numberSwedenCEMKO1SwitzerlandSEV1TaiwanBSMI4The United KingdomBSI1The United StatesUL21.The flexible cord must be Type HO5VV-F, 3-conductor, 1.0-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 2.The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 3-conductor. The wall plug must be a two-pole grounding type with a NEMA 5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V) configuration. 3.The appliance coupler, flexible cord, and wall plug must bear a “T” mark and registration number in accordance with the Japanese Dentori Law. The flexible cord must be Type VCT or VCTF, 3-conductor, 1.00-mm² conductor size. The wall plug must be a two-pole grounding type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. 4.The flexible cord must be Type RVV, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 5.The flexible cord must be Type VCTF, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 30Chapter 8 Power cord set requirements
9Recycling When a non-rechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, see the HP Web site at http://www.hp.com/recycle. 31
Index A AC adapter, spare part numbers 5, 6 audio, product description1 audio-in jack2 audio-out jack2 B back cover removal11 spare part number4, 6, 11 battery removal13 spare part number4, 6, 13 buttons power2 volume control2 C cables, service considerations7 card reader slot2 connectors, service considerations 7 Cover Kit, spare part number6 D display panel assembly, spare part number 5, 6, 11 display panel, product description 1 E electrostatic discharge8 equipment guidelines10 external expansion, product description 1 F front-facing webcam location2 removal17 spare part number4, 6, 17 G graphics, product description1 grounding guidelines8 guidelines equipment10 grounding8 packaging9 transporting9 workstation9 H headphone jack2 J jacks audio-in2 audio-out2 headphone2 microphone2 M mass storage device, product description 1 memory module, product description 1 microphone location2 product description1 microphone jack2 model name1 O operating system, product description 1 P packaging guidelines9 plastic parts, service considerations 7 ports, product description1 power button2 power cord, set requirements29 power requirements, product description 1 power/volume button board removal18 spare part number5, 6, 18 processor, product description1 product description audio1 display panel1 external expansion1 graphics1 mass storage1 memory module1 microphone1 operating system1 ports1 power requirements1 processors1 product name1 sensor1 serviceability1 video1 wireless networking1 product name1 R rear-facing webcam location2 removal16 spare part number4, 6, 16 S Screw Kit, spare part number5, 6 sensor, product description1 service considerations cables7 connectors7 plastic parts7 serviceability, product description 1 speaker location2 removal15 spare part number4, 6, 15 system board removal19 spare part number4, 6, 19 32Index
T tablet major components4 spare part numbers5, 6 specifications22 tools required7 transporting guidelines9 U USB extension cable, spare part number 5, 6 USB port2 V video, product description1 volume control buttons2 W webcam removal16, 17 spare part numbers4, 6, 16, 17 wireless networking, product description 1 workstation guidelines9 Index33