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Inside the W5A, ASUS’ Sonoma-class Combatant

Foreword

On January 18th Intel officially released the Gen 2 Centrino platform (codename: Sonoma),

which had been followed very quickly by the Sonoma platform notebooks. The ASUS W5A

was one of them.

Black W5A

White W5A

The W5A is 100% consistent with Intel’s definition of the 2nd Gen Centrino platform, i.e.

Intel’s latest Pentium M (533 FSB, 2MB L2 Cache) processor, 915GM, and Intel Pro/Wireless

2200BG WLAN card. The standout specifications include DDR II memory, a 12 inch

widescreen TFT LCD, and an integrated 1.3 megapixel camera.

W5A specifications:

Model # ASUS W5A

CPU Intel Pentium M 745 (1.86GHz,533 FSB,2MB L2

CACHA)

Northbridge Intel 915GM

Southbridge Intel ICH6-M

Memory 512MB DDR II 400 (256MB onboard +256MB)

HDD 60GB

Graphics Intel GMA900 (integrated on 915GM)

Optical drive 8X DVD/CDRW COMBO

Display 12 inch WXGA widescreen

Camera 1.3 megapixel digital camera

USB port USB 2.0 X 3

1394 port IEEE 1394 X 1

Card reader SD MMC XD MS MSPRO

WLAN card Intel PRO/Wireless 2200BG

Bluetooth Built-in

LAN 100M

Modem 56K V92

Dimensions 12.01in x 8.66 in x 1.18 in

Note: Some items of the specifications, such as CPU and memory, might be slightly different

from the actual product from different retailers.

Design

There is a lot that has been kept from the 12.1 inch widescreen S5 and M5 design

philosophies. The successful black and white strategy used by both the S5 and M5 is also

used here, as it has proved to successfully attract both male and female users alike. We have

tried a black one.

What separate the W5Afrom its S5 and M5 predecessors is the new Sonoma platform and the

mighty performance that comes from it. More on this in testing below.

The 12 inch widescreen TFT LCD is the first of its kind to come out of ASUS. The 1.3

megapixel camera is also very rare in notebooks of this type.

Although the W5A has integrates a camera module, most people still consider it an

entertainment notebook. The truth is that the 12 inch widescreen display provides room for a

wider keyboard, so keyboard feel is superior to many other entertainment notebooks. This is

due not only to the design of the keys, but the size of the keyboard itself.

The same touchpad pointing device adorning the S5 and M5 is also applied here and

integrated into the wrist rest. For added aesthetic appeal, the metal buttons use a brushed

effect.

Worry not, however, if you’ve never gotten used to the ideas of touchpads, because the W5A

comes with its very own wireless Logitech Cordless Optical Mouse for notebooks (resolution

800dpi), which is manufactured under OEM agreement for ASUS. Although Logitech has

developed compact wireless USB receivers, that is not in use here. But that doesn’t mean that

there is an annoying wireless receiver somewhere – just the opposite: the wireless receiver for

the mouse is hidden well inside the notebook’s compact body, which makes things a lot easier

on the user, because he/she can’t forget to bring, connect, or lose it ever again.

Located at the upper left hand corner of the keyboard are the Power4Gear quick keys and a

WLAN card power button.

Lighting up in cool blue after power-on is the notebook power button (also taken from the

S5/M5) located on the upper right hand corner of the keyboard. The outer ring bearing the text

“WWW.ASUS.COM”.

At the left lower edge of the wrist rest are a set of status indicators that also illuminate in cool

blue after power-on. They indicate the power, battery, HDD, WLAN, and CAPS status.

On the cover ASUS engineers have added two indicator lights for the power status and the

battery. The power indicator light is illuminated constantly when the system is fully active, and

flashes during system standby. The battery indicator, on the other hand, illuminates when the

battery is charging, and is dark when the battery is fully charged.

Sound for the notebook comes from the speakers located directly beneath the screen.

Unfortunately, there isn’t a lot of space to work with there, so the speakers are limited in size.

Be that as it may, the sound effects coming from them are quite good. Part of the reason for

that is the Realtek ALC861-VS HD Audio chip installed inside the notebook.

Noise and Heat

Most of the noise coming from the notebook can be narrowed down to the cooling fan inside,

which starts to hum fairly loudly once the computer has been run at full speed for a certain

period of time. Fortunately, the fan noise falls within what most will describe as the acceptable

range. Once the system detects that things have cooled down sufficiently, the fan will cease to

spin and the noise cuts out right there and then as there is basically no other significant source

of noise from within the notebook other than the HDD, whose own noises are extremely

insignificant.

Heat issues are never close to the user’s mind as the major components are “hung” below the

motherboard, which means their distances to the user’s hands are maximized. The image

below is the notebook’s bottom cover sheltering the CPU area removed.

In the image there is a very thick heatpipe running across the 915GM Northbridge chip, the

Pentium M processor, and the cooling system. The 533FSB Pentium M processor has a TDP

higher than its predecessors of the two previous generations; reaching a total of 27W, which

made cooling a high-priority design. The very thick heatpipe is therefore quite necessary.

Vents are strategically located to help with cooling neat the major heat-generating components,

such as the memory.

Ports

This is the front end view of the W5Awith nothing excessive here.

On the left are the 56K modem port, 100M Ethernet port, a 4-pin IEEE 1394 port, a USB 2.0

port, a 9.5mm DVD/CDRW combo drive, and a flash card reader supporting SD, MMC, MS,

MSPRO, and XD formats.

On the right are the PCMCIA slot, volume adjustor, earphone & microphone jacks, a USB 2.0

port, cooling vent, and VGA-out port.

At the back we see the power adapter jack, an S-Video out connector, the battery, one USB

2.0 port, and the notebook lock.

Display

Two words describe the most important aspects of the 12 inch display: widescreen, mirror

surface.

The 12 inch display provides a resolution of 1280 x 800, and should therefore show more

onscreen content than 4:3 XGA monitors, which is excellent for business-use productivity.

When it comes to entertainment, especially movies, the benefits of a widescreen are already

well documented.

Every manufacturer has its own name for the mirror surface, but what is important is its

make-up, which is a basic LCD panel, plus a light filtering layer and a reflective layer, for

reduced glare, clearer contrast, and a brighter-looking screen.

The W5A provides 15 brightness level adjustments for the display.

The only gripe we have with the screen lie with the bezels. When most 17 and 19 inch LCD

monitors are sporting bezels only 1.5cm/0.59in thick, what in the world is a 12 inch display

doing with bezels 2cm/0.79in and 3cm/1.18in thick? It’s a bit out of the ordinary, to say the

least. It certainly isn’t ugly, don’t get us wrong. In fact, it is a very attractive design. Thanks to

the bezels, the notebook has room for 4 quick keys and a full-size keyboard.

The W5A also uses the popular latchless design that allows the notebook to be opened with a

minimum of effort.

Camera

ASUS wasn’t the first to fit a camera onto a notebook, but it is one of the very few

manufacturers to offer notebooks that do. The others though, most incorporate 350K pixel

digital cameras, which aren’t known to produce very impressive images. Here’s where the

ASUS W5A rocks.

The W5A camera has 1.3 megapixels for the maximum image resolution of 1280*960, or 4

times the size of 0.35 megapixel camera’s 640x480 images. The W5A also incorporates a

flipping mechanism similar to the Sony TR’s to allow the camera a full 180 degrees of rotation.

Worth mentioning here is that the W5A’s camera is protected by a metal beam, allowing the

user to peel open the screen from the center without having to worry about damaging the

camera.

These are the actual pictures taken using the W5A’s integrated camera:

640 x 480 standard image

1280 x 960 standard image