Brand Hitachi
Model HPW-20E8M
Released 1998 Apr
Hardware Designer Hitachi
Manufacturer Hitachi
General Extras 

Passive stylus

Device Category 

Palmtop

Width 193 mm
Height 108 mm
Depth 28 mm
Dimensions 7.60×4.25×1.10 inches
Mass 456 g
16.08 ounces
Platform 

Windows (mobile-class)

Operating System

Microsoft Handheld PC 2.0 (Mercury)

CPU Clock 80 MHz
CPU

Hitachi SuperH SH3 (SH7700), 1996, 32 bit, single-core

RAM Type 

SDRAM

RAM Capacity (converted) 8 MiB RAM
Non-volatile Memory Capacity (converted) 16 MiB ROM
Display Diagonal 178 mm
7 inch
Resolution 640×240
Horizontal Full Bezel Width 26.33 mm
Display Area Utilization 50.0%
Pixel Density 98 PPI
Display Type 

MSTN LCD display

Number of Display Scales 16
Scratch Resistant Screen  No
Graphical Controller N/A
A/V Out 

Yes

Proprietary

Microphone(s) 

mono

Loudpeaker(s):  

mono

Audio Output:   No
Supported Cellular Bands  No
Sec. Supported Cellular Networks:   No
Touchscreen Type 

Resistive screen

Keyboard 

Built-in QWERTY

Number of keys 69
Directional Pad 

4-way

Expansion Interfaces 

PCMCIA I.
, PCMCIA II.
, CF I.

USB  No
No
USB Connector  No
Bluetooth  No
Wireless LAN  No
IR 

IrDA 1.0

115200bit/s (SIR/CIR)

Serial 

RS-232

Serial Connector:  

Proprietary

Serial Data Rate:  

115200 bps

Modem:  

v.32 (9600bit/s)

Modem Connector:  

6P4C

FM Radio Receiver  No
Camera Image Sensor  No
Focus  No
Flash  No
Aux. Camera Image Sensor  No
Aux. 2 Camera Image Sensor  No
Aux. 3 Camera Image Sensor  No
Aux.4 Camera Image Sensor  No
Secondary Camera Sensor  No
Sec. Aux. Cam. Image Sensor  No
Built-in accelerometer  No
Protection from solid materials 

Yes

Protection from liquids 

Yes

Battery 

NiMH

removable

Estimated Battery Life 25.0 hours
Market Countries 

USA

Data Integrity 

Final