CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Disclaimer
 We spared no efforts to make sure that the information in this
manual is correct and complete. However no liability is accepted for any
errors or omissions. Gembird Electronics reserves the right to change the
specifications of the hardware and software described in this manual
without prior notice.
 No part of this manual may be reproduced, transmitted or translated
in any language in any form, by any means, without the prior written
permission of Gembird Electronics Ltd.
 Gembird Electronics makes no warranties for damages resulting
from corrupted or lost data due to a mistaken operation or malfunction of
the product, the software, personal computers or peripheral devices.
Gembird® is a registered trademark of Gembird Europe bv.
Other names or products not mentioned above may be registered
trademarks or trademarks of their respective owners.
Copyright © 2010 Gembird Electronics Ltd. All rights reserved
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Features



status
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

Suitable for the standard 5.25'' front bay of any desktop PC
LCD display with adjustable backlight
Indication of fan speed, date and time, temperature and hard disk
Measures the temperature inside computer case or CPU temperature
Overheating sound alarm
Adjusts cooling fan speed according to the temperature
Specifications
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


RPM)
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
Backlight: red, green, blue, purple, white
Temperature modes: Celsius or Fahrenheit
Temperature alarm level setting
Fan speed control: low (2000 RPM), middle (3000 RPM), high (4000
Buttons: RESET, MODE, SET, C/F (Celsius / Fahrenheit)
Dimensions: 148 x 42 x 68 mm
Net weight: 0.1 kg
Package Contents
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Control unit
Power cable
Thermo-sensor cable
HDD cable
User manual
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Introduction
Thank you for purchasing Gembird® CHM-01 Computer health monitor!
This manual will help you install and use it properly.
Installation
1. Before installation make sure that your PC is turned off. Please,
disconnect the power cord from the computer power supply.
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
2. PCB of CHM-01 looks as shown on the picture below:
HDD activity and
temperature
sensor
4 Pin
power connector
Fan
connector
Beeper
Battery
(for saving time
and settings)
Please connect CHM-01 with the computer using supplied cables as
shown on the pictures below.
Power cable
To PSU power
connector


To power socket
of 5,25” device
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To CHM-01
4-pin power
connector
4黄
3黑
2黑
1红
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
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Fan cable
To CHM-01
3-pin fan
connector
To 3-pin
connector of the
 cooling
fan to be

1黑
2红
3黄
1黑
2红
3黄
controlled
Note: please use 4 to 3 pin adapter (included) if the cooling fan you
wish to control uses 4-pin power connector.
HDD and Temperature sensor
H.D.D.LED
1黑
2红
3红
4红
CPU


2黑
1红
To CHM-01
4-pin HDD
connector
To 2-pin HDD
LED on the
motherboard

Temperature
sensor
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Temperature sensor should be placed on the CPU’s heat sink as shown
on the diagram below:
Cooler
Heat compound
Stick the temperature
sensor here
CPU
CPU Socket
Warning: Make sure that the cooler fits CPU heat sink properly. In case of
any difficulties it is recommended to consult an experienced technician.
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
After you have connected all the cables please install CHM-01 into the
5,25” bay of computer case using the cross screwdriver.
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Front view and operation
The CHM-01 screen is shown on the picture below:
3
1
RESET
SET
MODE
C/F
2
4
1) RESET button
Push this button to return to the factory default
settings (date/time, fan speed etc).
2) MODE button This button is used for changing the backlight color
and to set/adjust the current date.
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
To change the color of the backlight – press the MODE button and
release it within a short (less than 1 second) time. Every time you push this
button the background color will be changed: red  greed  blue  purple
 white.
To set the date please, follow the steps below:
a) Press MODE button and hold it for at least 1 second. The Day digits
will start flashing. Push and hold the MODE button again to select the
other fields: Day  Month  Year  Day…
b) To change the Day, Month or Year press C/F button several times
until you get the correct value.
If no button is pressed within 10 seconds then the chosen value will
stop blinking and will be saved in the memory.
3) SET button This button is used to set the time and temperature
alarm.
To set the time, please, follow the steps below:
a) Press and hold SET button for more than 1 second (but less than 3
seconds). The Hour digits will start flashing. Press the SET button and
release it within a short (less than 1 second) time. Every time you push this
button the other field will be selected: Hour  Minutes  Hour…
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
b) To change the Hour or Minute press C/F button several times until
you get the correct value.
To set the temperature alarm – press and hold the SET button for at
least 3 seconds. The Temperature digits will start flashing. To adjust the
value – press C/F button as many times as it is necessary. The alarm will
be given if the temperature exceeds the specified value.
If no button is pressed within 10 seconds then the chosen value will
stop blinking and will be saved in the memory.
4) C/F button This button is used to change the temperature units
(Celsius or Fahrenheit).
Press this button and release it within a short time to change the
temperature units from Celsius to Fahrenheit and back.
This button is also used in combination with other buttons to change
different values (see the description of the other buttons above).
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Display overview
Temperature
Year
Day/
Month
Time
HDD activity
Fan speed
Fan indicator is divided into 3 sections:
 Low (2,000 rpm),
 Middle (3,000 rpm),
 High (4,000 rpm)
Temperature indicator shows:
 Low (0…40C),
 Middle (41C …60C),
 High (61C and above)
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Replacing the battery
CHM-01 has an internal battery which allows it to keep the internal
settings and date/time when the computer is switched off. It is
recommended to replace the battery once a year; otherwise the internal
clock might become not accurate. Use the battery type CR2032 (3V) or
compatible for replacement.
To replace the battery, please, follow the steps below:
1. Turn the PC and all connected peripheral
devices off.
2. Open the computer cover and unscrew
the CHM-01.
3. Pull CHM-01 out.
4. With a medium flat-bladed screwdriver,
gently prize the battery out of its place. Note the
orientation of the “+” and “-” on the battery.
6. Install the new battery in the battery
compartment, orienting the “+” and “-” correctly.
7. Close the computer cover and switch it on.
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CHM-01 COMPUTER HEALTH MONITOR
USER MANUAL
Caution
 Read, keep and follow these instructions.
 Keep the product out of extreme heat and away from the sources
emitting heat, such as heaters, radiators, stoves etc
 Keep the product out of the rain and humid conditions to avoid
electric shock.
 Keep the product away from water. In order to avoid electric shock,
do not let the water to drip onto the device. Do not put the water
containing objects such as vases on top of the device. Do not put the
device near the water.
 Only use the accessories supplied by the manufacturer.
 Battery life is around 1 year. Use the battery CR2032, 3V.
 Alarm buzzer will be heard when the temperature is over 60C
(unless a different value is specified).
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