HP 355 G2 Maintenance And Service Guide

Non-volatile memory usage
Non Volatile
Memory
Type
Amount
(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 Bytes No Yes Stores 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)
EEPROM
64 KBytes (not
customer
accessible)
No Yes Store 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 ROM 64 KBytes (not
customer
accessible)
No Yes Stores 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
data
256 Bytes per
memory
module, 128
Bytes
programmable
(not customer
accessible)
No Yes Stores 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.
140 Chapter 10 Statement of Volatility

HP 355 G2 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Country of origin	China
Processor cache	2 MB
Processor cores	4
Processor family	AMD A4
Processor frequency	1.8 GHz
Processor cache type	L2
Processor manufacturer	AMD
Motherboard chipset	-
Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L-SDRAM
Maximum internal memory	- GB
Memory layout (slots x size)	1 x 4 GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	500 GB
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	AMD Radeon R5 M240
Discrete graphics card memory	2 GB
Discrete graphics memory type	GDDR3
Audio system	DTS Sound+
Number of built-in speakers	2
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
DisplayPorts quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Pointing device	Touchpad
Operating system installed	FreeDOS
Battery capacity	41 Wh
Battery life (max)	- h
AC adapter power	65 W

Weight and Dimensions

Depth	384 mm
Width	261 mm
Height	23.1 mm
Weight	2300 g