Apple iMac G3 M7390 manual

 Important Inf o r ma ti o n Includes safety infor mation, memor y installation and batter y replacement instr uctions, and regulator y agency infor mation for your iMac[...]

2 Safety Instructions for Setting Up Your Computer When you set up your computer or device, keep these important safety instructions in mind. Plugging In the Power Cord Connecting a Phone Line to the Modem Port Disconnecting Power General Safety Instructions F or your own safety and that of your equipment, always take the following precautions. Dis[...]

3 m your computer or device is exposed to rain or any other excess moisture m your computer or device has been dropped or the case has been otherwise damaged m you suspect that your computer or device needs service or repair m you want to clean the case (use only the recommended procedure described later) Be sure that you always do the following: m[...]

4 Installing Memory and Replacing the Backup Battery This section provides information about memor y and the backup batter y and explains how to install them. About Memory Y our computer contains two types of memor y— dynamic random-access memor y (DRAM) and video memor y . Y ou can add DRAM to your computer in packages called Small Outline Dual [...]

5 To increase the memor y to the maximum of 256 MB, install a 128 MB DIMM in the user -accessible upper expansion slot. Have a 128 MB DIMM installed in the lower slot. T o maintain your Apple warranty, the DIMM in the lower slot must be installed or removed by an Apple-authorized service provider . F or more infor mation about the type of SO -DIMMs[...]

6 Turning Off the Computer 1 If your computer is turned on, tur n it off by choosing Shut Down from the Special menu. 2 Unplug all the cables from the computer , including the power cord. Now go to the next section, “Opening the Computer .” Opening the Computer 1 If the computer is secured, unlock it by removing the security cable from the hand[...]

7 7 T ouch any exposed metal on the logic board/drive assembly . This helps protect the computer from damage caused by electrostatic discharge. T ouch the metal part of the logic board/drive assembly . Important Always do this before you touch any parts, or install any components, inside the computer . T o avoid generating static electricity, do no[...]

8 8 Remove one of the cables from underneath its clamp, then unscrew the thumbscrews connecting the cable, and disconnect the cable. Re lease the cable that is under neath this cable clamp. R emove this cable by unscrewing these two thumbscrews.[...]

9 9 Disconnect the two cables connected to the main logic board and move them aside. Disconnect these two cables. Rel ease this catch by pressing on it. R emove the plastic bracket from around the 15-pin connector . The bracket should stay attached to the cable.[...]

10 10 Use a Phillips screwdriver to unscrew the two screws inside the plastic handle. 11 With one hand on the plastic handle, gently pull the handle straight up and out of the computer . 12 L ay the logic board/drive assembly on a clean surface. 13 If you moved around the room at all, you may have generated some static electricity . T ouch any expo[...]

11 Installing Memory 1 Carefully remove the metal shield. Carefully unsnap the shield on both sides and lift it off .[...]

12 2 To install a DRAM DIMM, align it in the DRAM slot as shown below and push the DIMM down until it snaps into place. Important Do not touch the DIMM’s edge connectors. Handle the DIMM only by the other edges. The SO-DIMM is designed to fit into the slot only one way . Align the notch in the DIMM with the small rib in the slot and insert the DI[...]

13 3 Replace the metal shield. Now go to the section “Closing the Computer ” on page 15. Snap the shield back into place.[...]

14 Replacing the Battery 1 Remove the top cover of the batter y holder . Y ou may need to use a small screwdriver and insert it into the notch on the side of the cover to gently pop the cover off. 2 Remove the old batter y , noting the orientation of the positive and negative ends of the batter y . 3 Insert the new lithium batter y , with the posit[...]

15 4 Replace the cover of the batter y holder . Now go to the next section, “Closing the Computer .” Closing the Computer 1 With one hand on the plastic handle, gently lower the logic board/drive assembly straight down into the computer until it is in place. 2 Use a Phillips screwdriver to screw the two screws back inside the plastic handle. Us[...]

16 3 Reconnect the two cables to the logic board, attaching them as shown. R econnect these two cables. R eposition the plastic bracket over the 15-pin connector .[...]

17 4 Reconnect the third cable, tucking it underneath the clamp, then tightening the two thumbscrews. T uck the cable back into place underneath the clamp. R eattach this cable and tighten the two thumbscrews.[...]

18 5 Replace the cover , making sure it snaps into place. If the cover doesn ’t fit properly , check the cable connections to make sure the cables are layered properly . 6 Use a Phillips screwdriver to screw the screw back on the lower back cover . Do not use a powered screwdriver . It may damage the screws on your computer . 7 If necessar y , t[...]

19 Communications Regulation Information FCC Compliance Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful inter ference, and (2) this device must accept any interference received, including interference that may cause undesired operation. See ins[...]

20 Laser Information Do not attempt to disassemble the cabinet containing the laser . The laser beam used in this product is harmful to the eyes. The use of optical instruments, such as magnif ying lenses, with this product increases the potential hazard to your eyes. F or your safety , have this equipment serviced only by an Apple-authorized ser v[...]

21 The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of your equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary modifications to maintain uninter rupted ser vice. The internal modem will not work with party[...]

22 L es réparations de matériel homologué doivent être effectuées par un centre d’entretien canadien autorisé désigné par le fournisseur . L a compagnie de télécommunications peut demander à l’utilisateur de débrancher un appareil suite à des réparations ou à des modifications effectuées par l’utilisateur ou en raison d’un [...]

23 m A T&P1 (33/66 pulse dial make/break ratio) m A TS0 = 0 or A TS0 = 1 (no answer or answer greater than one ring) m A TS6 = 95 (DTMF period between 70–255 ms) m A TS11 = 95 (DTMF period between 70–255 ms) Fo r calls that are automatically generated, a total of three call attempts are allowed to a telephone number , with a minimum period [...]

© 1999 Apple Computer , Inc. All rights reserved. Apple, the Apple logo, Mac, and Macintosh are trademarks of Apple Computer , Inc., registered in the U.S. and other countries. iMac is a trademark of Apple Computer , Inc. 033-1208-A Printed in U.S.A.[...]