HP 7 1200, 7+ 1300 manual Non-volatile memory usage, Cmos

Page 34

Non-volatile memory usage

Non Volatile

Amount

Does this

Does this

What is the

How is data

How is this

Memory

(Size)

memory

memory

purpose of

input into

memory

Type

 

store

retain data

this

this

write

 

 

customer

when power

memory?

memory?

protected?

 

 

data?

is removed?

 

 

 

 

 

 

 

 

 

 

Real Time Clock

256 Bytes

No

Yes

Stores system

Using the F10

This memory is

(RTC) battery

 

 

 

date and time

Setup utility or

not write-

backed-up

 

 

 

and limited

changing the

protected. HP

CMOS

 

 

 

keyboard

Microsoft

recommends

configuration

 

 

 

controller data.

Windows date

password

memory

 

 

 

 

and time.

protecting the

(CMOS)

 

 

 

 

 

F10 Setup

 

 

 

 

 

 

utility.

 

 

 

 

 

 

 

Controller (NIC)

64 KBytes (not

No

Yes

Store NIC

Using a utility

A utility is

EEPROM

customer

 

 

configuration

from the NIC

required to

 

accessible)

 

 

and NIC

vendor that can

write data to

 

 

 

 

firmware.

be run from

this memory

 

 

 

 

 

DOS.

and is available

 

 

 

 

 

 

from NIC

 

 

 

 

 

 

vendor. Writing

 

 

 

 

 

 

data to this

 

 

 

 

 

 

ROM in an

 

 

 

 

 

 

inappropriate

 

 

 

 

 

 

manner will

 

 

 

 

 

 

render the NIC

 

 

 

 

 

 

nonfunctional.

 

 

 

 

 

 

 

Keyboard ROM

64 KBytes (not

No

Yes

Stores firmware

Programmed at

A utility is

 

customer

 

 

code

the factory.

required for

 

accessible)

 

 

(keyboard,

Code is

writing data to

 

 

 

 

mouse, &

updated when

this memory

 

 

 

 

battery

the system BIOS

and is available

 

 

 

 

management).

is updated.

on the HP

 

 

 

 

 

 

website.

 

 

 

 

 

 

Writing data to

 

 

 

 

 

 

this ROM in an

 

 

 

 

 

 

inappropriate

 

 

 

 

 

 

manner can

 

 

 

 

 

 

render the PC

 

 

 

 

 

 

nonfunctional.

 

 

 

 

 

 

 

DIMM Serial

256 Bytes per

No

Yes

Stores memory

Programmed by

Data cannot be

Presence Detect

memory

 

 

module

the memory

written to this

(SPD)

module, 128

 

 

information.

vendor.

memory when

configuration

Bytes

 

 

 

 

the module is

data

programmable

 

 

 

 

installed in a

 

(not customer

 

 

 

 

PC. The specific

 

accessible)

 

 

 

 

write protection

 

 

 

 

 

 

method varies

 

 

 

 

 

 

by memory

 

 

 

 

 

 

vendor.

 

 

 

 

 

 

 

28

Chapter 7 Statement of Volatility

Image 34
Contents Compaq 7+ 1300 Tablet and Compaq 7 1200 Tablet Product notice Software termsSafety warning notice Iv Safety warning notice Table of contents Page Product description Serviceability End user replaceable part Category Description Compaq 7+ Tablet Power requirementsOperating system External component identification External component identification Illustrated parts catalog Locating the serial number, product number, and model numberComponent Spare part number Back cover Power/volume button board includes cableTablet major components MP rear-facing webcamera includes cableMiscellaneous parts Sequential part number listingSystem memory, and an 8.0-GB Nand flash drive Service considerations Removal and replacement preliminary requirementsTools required Grounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelBack cover Removal and replacement proceduresTablet component replacement procedures Description Spare part numberPage Battery Antenna board Speaker Rear-facing webcamera Microphone Front-facing webcamera Power/volume button board System board Page Page Specifications Statement of Volatility Select the File menu, then Save Changes and Exit Non-volatile memory usage CmosNon-volatile memory usage Statement of Volatility Questions and answers Requirements for specific countries and regions Power cord set requirementsRequirements for all countries Country/region Accredited agency Applicable note numberRequirements for specific countries and regions Recycling Index JacksTablet
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