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Hardware Maintenance Manual
Types 8095, 8098, 8141 8142, 8143
Types 8144, 8145, 8146, 8171, 8172
Types 8173, 8420, 8421, 8422, 8423
Types 8424, 8425, 8427
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Hardware Maintenance Manual Types 8095, 8098, 8141 8142, 8143 Types 8144, 8145, 8146, 8171, 8172 Types 8173, 8420, 8421, 8422, 8423 Types 8424, 8425, 8427
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Note: Before using this information and the product it supports, be sure to read the information under “Notices,” on page 343. Ninth Edition (March 2008) © Copyright Lenovo 2005, 2008. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and r
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Contents Setting, changing, and deleting a password . . .57 Chapter 1. About this manual . . . . .1 Using Security Profile by Device . . . . . . .57 Important Safety Information . . . . . . . . .1 Selecting a startup device . . . . . . . . . .58 Strategy for replacing FRUs for CTO, CMV, and GAV Selecting a temporary startup device . . . . .58 products . . . . . . . . . . . . . . . .2 Changing the startup device sequence . . . .58 Product definition . . . . . . . . . . .2 Advanc
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Removing and replacing the diskette drive . . . 133 Machine Type 8171 . . . . . . . . . . . 237 Removing and replacing the fan assembly . . . . 134 Machine Type 8172 . . . . . . . . . . . 255 Replacing the cover and connecting the cables . . 135 Machine Type 8173 . . . . . . . . . . . 265 Machine Type 8420 . . . . . . . . . . . 272 Machine Type 8421 . . . . . . . . . . . 280 Chapter 10. Replacing FRUs (Types Machine Type 8422 . . . . . . . . . . . 287 8098, 8171, 8172, 8173, 842
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Chapter 1. About this manual ® This manual contains service and reference information for ThinkCentre computers listed on the cover. It is intended only for trained servicers who are ® familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information. See Chapter 2, “Safety information,” on page 5. The Symptom-to-FRU Index and Additional Service Information chapters are not specific to any machine type and are applicable to all ThinkCentr
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Strategy for replacing FRUs for CTO, CMV, and GAV products Product definition Dynamic Configure To Order (CTO) This provides the ability for a customer to configure a Lenovo solution from an eSite, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label, PC Entitlement Warehouse (PEW), eSupport, and the HMM will include these products as the 4-digit machine type (MT) and 3-digit model, where model = ’CTO’ (Example: 8129
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4. Under Warranty Information, type the MT and Serial number and click Submit. The list of key commodities is returned in the PEW record under Component Information. v Business Partners using Eclaim will access PEW when performing Entitlement Lookup. Business Partners will enter Loc ID, MT and Serial, and the key commodities will be returned in the Eclaim record under System Details. v Authorized Lenovo Business Partners can access Eclaim at the following Web site: http://wca.ecl
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So, if the parts are not compliant originally, replacement parts can also be noncompliant, but in all cases, if the parts are compliant, the replacement parts must also be compliant. Lenovo plans to transition to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo’s requirements and schedule. Products sold in 2005, will contain some RoHS compliant FRUs. The following statement pertains to these products and any product Lenovo produc
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Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance. v When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move sudden
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CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the server/workstation covers, unless instructed otherwise in the installation and configuration procedures. Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools hav
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v Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. v Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage. v Do not service the following parts with the power on when they are removed from their normal operating places in a
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5. Check for any obvious alterations. Use good judgment as to the safety of any alterations. 6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check for worn, frayed, or pinched cables. 8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. Handling electrostatic discharge-sensitive devices Any computer part containing tr
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Safety notices (multi-lingual translations) The caution and danger safety notices in this section are provided in the following languages: v English v Arabic v Brazilian/Portuguese v Chinese (simplified) v Chinese (traditional) v French v German v Hebrew v Italian v Korean v Spanish DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform i
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CAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Do not: v Throw or immerse into water v Heat to more than 100°C (212°F) v Repair or disassemble Dispose of the battery as r
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CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Chapter 2. Safety information 11 2 1
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12 Hardware Maintenance Manual
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Chapter 2. Safety information 13
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≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) 14 Hardware Maintenance Manual 2 1
