Acer 486の取扱説明書

26ページ 1.13 mb
ダウンロード

ページに移動 of 26

Summary
  • Acer 486 - page 1

    & 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. It is fully compatible with the IBM PC/AT and is suitable for us e as a W ind ...

  • Acer 486 - page 2

    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 SIMM soc kets for m em ory upgrade • 128-KB ROM for system BIOS and VGA BIO S • 120-pin connector for ISA ris er card • Sy stem clock /calendar • ...

  • Acer 486 - page 3

    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. VGA connector 7. IDE fixed disk connector #1 23. Parallel port 8. ...

  • Acer 486 - page 4

    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. 2. W ear a w ris ...

  • Acer 486 - page 5

    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. Figure 1-2 Jumper Locations ...

  • Acer 486 - page 6

    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 passw ord JP14 Closed Open Enable onboard VGA Disable onboard VGA JP16 Open Closed Enable onboard local bus IDE Disable onboard local bus IDE JP21 Clo ...

  • Acer 486 - page 7

    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 1-2 1-2 1-2 2-3 JP18 2-3 1-2 1-2 2-3 2-3 2-3 2-3 JP20 2-3 2-3 2-3 2-3 2-3 1-2 2-3 JP30-32 Open Open Open Open Open Closed Open JP33 1-2 1-2 1-2 1-2 1 ...

  • Acer 486 - page 8

    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. Table 1-5 Memory Config ...

  • Acer 486 - page 9

    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. 2. Gently press the SIMM back against the hold ...

  • Acer 486 - page 10

    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. Figure 1-4 Removing a SIMM 1.5.3 Reconfiguring the Sy stem The system autom atically detects the a ...

  • Acer 486 - page 11

    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. The entire s y stem board m ust be replaced to upgr ade the CPU. Single-c hip upgrade technology gives you the flexibility to upgrade the CPU by simply inserting a new CPU without replacing th ...

  • Acer 486 - page 12

    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. Be careful not to bend any pins. Figure 1-5 Pi ...

  • Acer 486 - page 13

    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. Locate the powe ...

  • Acer 486 - page 14

    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. If y our board has a GD-5424, then your VGA mem ory is expandable to 1 MB only ...

  • Acer 486 - page 15

    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 . ...

  • Acer 486 - page 16

    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. TAG U56 U57 U58 U59 U60 U61 U62 U63 Figure 1-8 Installing Cache 3. Gently but firmly insert a 32 K ...

  • Acer 486 - page 17

    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 . 2. Make sure you have ...

  • Acer 486 - page 18

    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. The Power-Managem ent feature allows y ou to monitor s y stem activity. Sy stem activity ...

  • Acer 486 - page 19

    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. It is allows te ...

  • Acer 486 - page 20

    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. An ...

  • Acer 486 - page 21

    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. APM is a power-m anagement approach developed jointly by Micros oft and Intel. An increasing num ber of software applications support APM to tak e advantage of the power- saving featur es and off e ...

  • Acer 486 - page 22

    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.S. Environm ental Protection Agency (EPA) require ments . Table 1-8 lis ...

  • Acer 486 - page 23

    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. There ar e two general ty pes of err or m essages: • Software ? ...

  • Acer 486 - page 24

    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. Diskette Drive Error Diskette may be bad. If not, check the diskette drive an ...

  • Acer 486 - page 25

    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. Serial 2 Conflict Run Setup. Disable onboard serial 2. Parallel Conflict Run Setup. Disable onboar ...

  • Acer 486 - page 26

    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.e., an error that caus es com plete system f ailure. Here are som e cor rective ...

メーカー Acer カテゴリー Motherboards

Acer 486のメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
- #BRANDの図面#
- 486の取扱説明書
- Acerの製品カード
- パンフレット
- またはAcer 486の消費電力シール
それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、Acer 486の取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、Acer 486の取り付け説明書、サービスマニュアル、簡易説明書、またはAcer 486のユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、Acer 486の製品を使用するにあたって最も人気のある説明書を閲覧できます。

関連する取扱説明書

Acer 486デバイスの取扱説明書はどのようなものですか?
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがAcer 486を使用するのを助ける技術的文書のことです。説明書は通常、全てのAcer 486ユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

Acerの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. Acer 486の説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははAcer 486の目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
2. 目次。Acer 486に関してこのドキュメントで見つけることができる全てのヒントの目次
3. Acer 486デバイスの基本機能を使うにあたってのヒント。 Acer 486のユーザーが使い始めるのを助けてくれるはずです。
4. トラブルシューティング。Acer 486に関する最も重要な問題を診断し、解決するために役立つ体系化された手続き
5. FAQ。よくある質問
6. 連絡先。一人では問題を解決できない場合に、その国におけるAcer 486のメーカー/サービスへの連絡先に関する情報。

Acer 486についてご質問がありますか?

次のフォームを使用してください

見つけた説明書を読んでもAcer 486の問題を解決できない場合、下記のフォームを使用して質問をしましょう。ユーザーのどなたかがAcer 486で同様の問題を抱えていた場合、その解決方法を共有したいと考えるかもしれません。

画像のテキストを入力してください

コメント (0)