Benutzeranleitung / Produktwartung 486 des Produzenten Acer
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& K DSWHU System Board System Board 1-1 This high- perform ance, 32- bit personal com puter s y stem is bas ed on the 486 series micr oprocess or. It features the single-chip upgrade technology which allows maxim um ease and flex ibility for upgr ading the system.
1-2 User’s Guide 1.1 Sy stem Board Lay out The system board has the following m ajor c omponents : • 486SX, SX2, DX 2, or DX4 series CPU • 4-MB onboard RAM expandable to 36 MB • Two 72-pin SIM.
System Board 1-3 1. Keyboard contr oller 17. Power daughter board 2. M5105 super I/O controlle r 18. M1429G system chip 3. System and VGA BIO S 19. Onboard memory (4 MB) 4. RTC Battery 20. SIMM sockets 5. Power connector 21. VGA feature connec tor 6. IDE fixed disk c onnector #2* 22.
1-4 User’s Guide 1.2 ESD Precautions Electrostatic discharge ( ESD) can dam age your processor, disk drives , expansion boards, and other com ponents. Always observe the following precautions bef ore you install a sy stem com ponent. 1. Do not remove a com ponent f rom its protective pac kaging until y ou are ready to install it.
System Board 1-5 Do not attempt the procedures described in the following sections unles s y ou are a qualified servic e technician. 1.4 Jumper Settings Figure 1-2 shows the j umper locations.
1-6 User’s Guide The f ollowing tables list the jum per settings and their c orreponding functions . Table 1-1 System Board J umpers Jumper Setting Function JP2 1-2 2-3 Enable password check Bypass .
System Board 1-7 Table 1-3 CPU Type Selection 486 1 486 WB 2 Pentiu m OverDrive AMD 486/DX2 AM D 486/DX4 Cyrix IBM TI JP11 1-2 1-2 1-2 1-2 1-2 2-3 2-3 JP12 1-2 2-3 2-3 1-2 1-2 1-2 2-3 JP13 1-2 1-2 1-2.
1-8 User’s Guide 1.5 Installing Memory The system board has two 72-pin SIMM sock ets that accept 1-MB, 2- MB, 4-MB, 8-MB, or 16-MB mem ory modules with 80 ns (or less) DRAM speed. The m axim um system m em ory size is 36 MB. W hen installing additional m emor y , choose one of the SIMM configur ations listed in T able 1-5.
System Board 1-9 1.5.1 Installing a SIMM Observ e ESD precautions when installing SIMMs. See section 1.2. Follow these steps to install a SIMM: 1. Insert the SIMM into the soc k et at a slight angle, m ak ing sur e that the cut edge of the SIMM touc hes the base of the circle m ark on the SIMM sock et.
1-10 User’s Guide 1.5.2 Removing a SIM M Observ e ESD precautions when removing SIMMs. See section 1.2. 1. Press the holding clips on both s ides of the SIMM outward to release it. 2. Push the SIMM upward. 3. Gently pull the SIMM out of the sock et.
System Board 1-11 1.6 Upgradi ng the CPU Conventional technology places the CPU on the sam e board as the ISA bus logic, sy s tem mem ory and I/O interfac e.
1-12 User’s Guide 4. Insert the upgrade CPU (with the heatsink ) into the upgrade sock et. Mak e sur e that pin 1 of the CPU c orr esponds to hole 1 of the upgrade socket (see Figure 1-6). T he flat corner on the CPU indicates pin 1. Inser t the CPU pins into the s ock et pinholes gently but firm ly.
System Board 1-13 1.7 Pow er Daughter Boar d The power daughter board enables the system to suppor t a 3.3V mic roprocess or. W ithout this board, your sy stem can only support a 5V CPU. Follow these steps to install the power daughter board: Before installing, you mus t chec k firs t the voltage requirement of y our upgrade CPU.
1-14 User’s Guide 1.8 Upgradi ng VGA Memory Observ e ESD precautions when installing components. See sec tion 1.2. The VGA m em ory is upgradable to 1 or 2 MB depending on your onboard VGA chip. T he system board m ay come with either a GD- 5424 or a GD-5429 VG A chip.
System Board 1-15 U12 U13 U15 U16 U9 U10 514260 DRAM 44256 DRAM Figure 1-7 Installing VGA RAM You do not need to change any jumper settings when upgrading the VGA memory .
1-16 User’s Guide 1.9 Upgradi ng Cache M emory To ins tall cache c hips, do the following: 1. Locate the cache s ock ets on the system board. See Figur e 1-1. 2. Align the cut edge of the chip with the cut edge of the cache sock ets. See Figure 1-8.
System Board 1-17 The SRAM must have an acces s speed of 15 nanoseconds. Make sure that you set the jumpers proper ly. See section 1.4. 1.10 Post-installation Instructions Alway s observe the f ollowing: 1. See to it that the components are installed according to the step- by -step instructions in their respec tive sections .
1-18 User’s Guide 1.11 Pow er-M anagement Feature The m ainboard incor porates the lates t power-c ons ervation tec hnology. However, to take advantage of its energy-saving capabilities , the mainboar d mus t have an Intel SL-Enhanced or a power-s aving CPU.
System Board 1-19 Set the independent power-m anagement tim ers for the VESA DPMS monitor . Valid values are from 1 to 15 m inutes. Any video or I/O action returns the system to full power. IDE F I XED DI SK STANDBY MODE The IDE Fixed Disk Standby Mode offers a quic k-r esum e power- saving mode for ATA-c om pliant IDE fixed disk s.
1-20 User’s Guide Set the Suspend Mode timer to a value f rom 2 to 120 minutes , or activate the Suspend/Resum e button. In Suspend m ode, the turbo LED light on the front panel blinks at a rate slower than when the system is in the Standby m ode. Activating the Sus pend/Resum e button produces two beeps as the system enter s the suspend mode.
System Board 1-21 1.12 Ad vanced Power M anagement (A PM) This system f eatures the APM s tandard designed to f urther reduce system power consum ption.
1-22 User’s Guide 1.14 VESA DPMS The Video Electronics Standard Association (VESA) proposed the Display Power-Management Signaling (DPMS) standard com binations of horizontal and vertical s ynchronization signals for the PC-VGA monitor . Its purpose is to com ply wi th the U.
System Board 1-23 1.15 Error M essages In the event that y ou receive an err or message, do not continue using the com puter. Note the m essage and tak e cor rective action at once. This s ection desc ribes the diff erent types of err or m essages and suggests c orrective m easur es.
1-24 User’s Guide Table 1-9 System Err or Messages Error Message Corrective A ction Bad CMO S Battery Replace battery . Contact your dealer. CM OS Checksum Error Run Setup. Diskette Dri ve Controller Error Check and connect the cable to the diskette drive or controller.
System Board 1-25 Table 1-9 System Err or Messages (c ontinued) Error Message Corrective Action Memory Error Check SIMM s on the system board. Contact your dealer. Memory Siz e Mismatch Run Setup. Serial 1 Conflict Run Setup. Disable onboard serial 1.
1-26 User’s Guide 1.15.3 Correcting Error Conditions As a general rule, the "Press F1 to continue" er ror m essage is c aused by a configur ation problem which can be eas ily corrected. An equipment m alf unction is m ore lik ely to cause a f atal err or, i.
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Wenn Sie Acer 486 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Acer 486 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Acer 486 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Acer 486 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Acer 486 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Acer 486 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Acer 486. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Acer 486 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
