Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Figure A-1. Main Menu
- orientation ,
- front/right side internal view ,
- Figure 1-4. Back/Left Side Internal View
- socket population rules ,
- SCSI configuration guidelines ,
- SCSI ID numbers ,
- externally-accessible drive bays ,
- power supply ,
- Figure 1-6. DC Power Connector P1
- cables ,
- Figure 1-10. DC Power Distribution
- Figure 1-11. System Board Components
- Figure 1-12. System Board Jumpers
- Table 1-2. Jumper Descriptions
- Table 1-3. Interrupt Assignments
- Table 1-4. DREQ Line Assignments
- technical specifications ,
- diskette-based diagnostics ,
- beep codes ,
- Table 3-1. POST Beep Codes
- Table 3-2. System Error Messages
- precautionary measures ,
- cover removal ,
- bezel, removal ,
- insert removal ,
- removal ,
- Figure 4-5. Drive Hardware
- externally-accessible drives, removal ,
- Figure 4-7. Drive-Mounting Rails and Extensions Removal
- Figure 4-8. Hard-Disk Drive Removal
- expansion-cards, removal ,
- Figure 4-10. Power Supply Removal
- system cooling fan, removal ,
- Figure 4-12. System Board Components
- installation ,
- Figure 4-15. Microprocessor Securing Clip Removal
- Figure 4-16. Microprocessor/Heat Sink Assembly
- battery, removal ,
- Figure 4-18. System Board Assembly Removal
- Figure 4-19. System Board Removal
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Removing and Replacing Parts 4-13System Cooling FanFigure 4-11. System Cooling-Fan RemovalTo remove the system cooling fan, follow these steps:1. Lay the computer on its right side.2. Disconnect the system cooling-fan cable from the FAN connector on thesystem board (see Figure 4-12).3. To loosen the system cooling fan from the chassis:a. Push the plunger of each of the four push-fasteners toward the back ofthe chassis, using a small flat-blade screwdriver (or another small flatobject).b. From the outside-back of the chassis, pull the plungers completely outof the push-fasteners.4. Remove the system cooling fan and the push-fastener barrels from thechassis.To replace the system cooling fan, use four new push-fasteners. (New push-fas-teners have the plunger inserted part-way into the barrel.) Align the mountingholes in the system cooling fan with the holes in back wall of the chassis. Inserteach push-fastener completely; then push in on the plunger to lock the fastener.back wall of chassissystem cooling fansystem cooling-fanmounting push-fasteners (4)system cooling-fanconnector (FAN)plungersystem cooling fannew push-fastener push-fastener installedplunger barrelpush-fastener removed |
