User manual ACER ASPIRE M3900G

[. . . ] This product should never be placed near or over a radiator or heat register, or in a built-in installation unless proper ventilation is provided. This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. This product is equipped with a 3-wire grounding-type plug, a plug having a third (grounding) pin. [. . . ] Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: a. When the power cord or plug is damaged or frayed If liquid has been spilled into the product If the product has been exposed to rain or water If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition. If the product has been dropped or the cabinet has been damaged If the product exhibits a distinct change in performance, indicating a need for service e. Replace battery with the same type as the product's battery we recommend. Use of another battery may present a risk of fire or explosion. Refer battery replacement to a qualified serviceman. Battery may explode if not handled properly. Do not recharge, disassemble or dispose of in fire. Keep away from children and dispose of used battery promptly. Use only the proper type of power supply cord set (provided in your keyboard/manual accessories box) for this unit. 2-5 IDE Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Total Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Enhanced IDE Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Num Lock After Boot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Memory Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Quiet Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Configuration Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2. 3 Advanced System Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 2. 3. 1 2. 3. 2 2. 3. 3 2. 3. 4 L1 & L2 Cache (CPU Cache). . . . . . . . . . . . . . . . . . . . 2-11 Cache Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 ECC/Parity Mode Selection . . . . . . . . . . . . . . . . . . . . . . [. . . ] 2-16 Monitored Activities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2. 6 System Security Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2. 6. 1 Disk Drive Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 x 2. 6. 2 2. 6. 3 2. 6. 4 2. 6. 5 2. 7 2. 8 Onboard Communication Ports . . . . . . . . . . . . . . . . . 2-20 Onboard PS/2 Mouse (IRQ 12) . . . . . . . . . . . . . . . . . 2-23 Setup Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23 Power On Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 Load Setup Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 Leaving Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27 List of Figures 1-1 1-2 1-3 1-4 1-5 1-6 1-7 System Board Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 System Board Jumper and Connector Locations . . . . . . . 1-4 Locating Pin 1 of the CPU and Hole 1 of the Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Installing a CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Attaching the Heatsink and Fan to the CPU . . . . . . . . . . . . . . . 1-9 Installing a SIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13 Removing a SIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14 xi List of Tables 1-1 1-2 1-3 1-4 1-5 2-1 2-2 2-3 2-4 2-5 Jumper Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]