Acer V58 Bedienungsanleitung
& K DSWHU
System Board
System Board 1-1
1.1 Features
The V58 is a Pentium-based system board that utilizes the PCI local
bus architecture. It supports Intel Pentium P54C/P55C, Cyrix M1/M2,
and AMD K5/K6 processors. It has three ISA and four PCI slots for
future expansion. The system memory is expandable to 192 MB via
three onboard 168-pin DIMM (double in-line memory module) sockets.
The board also comes with either 256- or 512-KB pipelined-burst
second-level cache.
Onboard I/O interfaces include two UART 16C550 serial ports, a
parallel port with Enhanced Parallel Port (EPP)/Extended Capabilities
Port (ECP) feature, PS/2 keyboard and mouse ports, and VGA port. A
Universal Serial Bus (USB) interface is added to the design to enable
the system to support more peripherals.
Other special features supported are Wireless communication,
Hardware monitoring and Wake-on ring-in functions. These features
are discussed in the later part of this chapter.
The system is fully compatible with Windows 95, Windows NT,
NetWare, MS-DOS v6.X, OS/2, and UNIX operating systems.
1-2 User’s Guide
1.2 Major Components
The system board has the following major components:
•A ZIF (zero insertion force) socket that supports 3.3V Intel
Pentium P54C/P55C processor running at 90/60, 100/66, 120/60,
133/66, 150/60, 166/66, 200/66, or 233/66 MHz. Also supports
Cyrix M1/M2 or AMD K5/K6 processor
•Three 168-pin DIMM sockets that accept SDRAMs with 16-, 32-,
64-, and 128-MB capacities (192-MB maximum system memory)
•256-KB or 512-KB pipelined-burst second-level cache
•Three ISA slots and four PCI slots for future expansion
•Enhanced PCI local bus IDE controller
•APM-compliant DMI BIOS
•Ultra I/O controller
•Two IDE interfaces capable of supporting a maximum of four IDE
devices
•Two 16C550 buffered serial connectors
•One SPP/ECP/EPP parallel connector
•USB interface
•IrDA interface
•Modem ring-in interface for Wake-on ring-in feature
•PS/2 mouse and keyboard interface
System Board 1-3
1.3 Layout
Figure 1-1 shows the board layout and the locations of the important
components.
1 COM1 connector 14 HDD LED connector
2 Power connector 15 Voltage regulator with heatsink
3 Parallel/Printer connector 16 InfraRed (IrDA) connector
4 Floppy disk drive connector 17 ISA slots
5 COM2 connector 18 PCI slots
6 IDE2 connector 19 USB connector
7 IDE1 connector 20 BIOS chip
8 DIMM sockets 21 Battery
9 Second-level cache 22 Resume Power connector
10 CPU socket 23 PS/2 mouse port
11 Power button connector 24 PS/2 keyboard port
12 Multifunction connector 25 Ring-in connector
13 2-pin fan connector
Figure 1-1 System Board Layout
The heatsink becomes very hot when the
system is on. NEVER touch the heatsink with
any metal or with your hands.
1 2
345
6789
10 11 12
13
14
15
16
17
18
19
20
21
23
24
22
25
1-4 User’s Guide
1.4 Jumpers and Connectors
1.4.1 Jumper and Connector Locations
Figure 1-2 shows the jumper and connector locations.
Figure 1-2 Jumper and Connector Locations
The shaded pin indicates pin 1.
System Board 1-5
1.4.2 Jumper Settings
The following tables list the jumper settings and their corresponding
functions:
Table 1-1 Jumper Settings
Jumper Setting Function
JP1 1-3, 2-4
3-5, 4-6 *
Power Supply Type
Traditional power supply
Resume power supply
JP4 1-2
2-3 *
L2 Burst Mode
Linear burst
Interleave / 1+4 mode
JP5 1-2
2-3
3-4 *
BIOS Programming Voltage
12V for MX2 2MB
5V for SST, ATMEL
Normal operation
JP7
JP9
JP10
1-2
3-4
5-6 *
1-2
3-4 *
1-2
2-3 *
Hardware Monitoring
Vcore
3.2V
2.9V
2.8V
VI/O
3.5V
3.3V
Thermal Event
Disabled
Enabled
JP8 1-3, 2-4
3-5, 4-6
CPU Type
Dual-voltage CPU (P55C)
Single-voltage CPU (P54C)
*Default
1-6 User’s Guide
Table 1-1 Jumper Settings (continued)
Jumper Setting Function
JP11 1-2 *
3-4
5-6
7-8
9-10
CPU Core Voltage
3.3V
2.8V
2.9V
3.2V
3.5V
S2 of SW1 On
Off
Boot Logo
OEM
Acer
S3 of SW1 On
Off
Password Check
Check password
Bypass password
Table 1-2 Host Bus Frequency Select
JP2 JP3 Host Bus
1-3, 2-4 3-5, 4-6 60 MHz
3-5, 4-6 * 3-5, 4-6 * 66 MHz *
1-3, 2-4 1-3, 2-4 75 MHz
3-5, 4-6 1-3, 2-4 83.3 MHz
Table 1-3 CPU/Host Bus Frequency Ratio
SW1 Switch No. Ratio
S4 S5
(BF1/X34
)
S6
(BF0/Y33) Intel M2 6x86L K6
Off Off Off 1.5/3.5 3.5 3 3.5
Off Off On 2 2 2
Off On On 2.5 2.5 2 2.5
OffOnOff3333
System Board 1-7
1.4.3 Onboard Connectors
Table 1-4 lists the onboard connectors.
Table 1-4 Onboard Connectors
Connector Function
CN1 COM1 connector
CN2 COM2 connector
CN3 AT keyboard connector (optional)
CN4 PS/2 keyboard port
CN5 PS/2 mouse port
CN6 Resume power connector
CN7 Main power connector
CN8 Printer/parallel connector
CN9 Floppy disk drive connector
CN10 IDE channel 2 connector
CN11 IDE channel 1 connector
CN12 Connector for clearing CMOS
CN13 WOL (wake-on LAN) connector
CN15 IrDA (InfraRed) connector
CN16 Modem ring-in connector
CN17 USB (Universal Serial Bus) connector
CN18 Power button connector
CN19 Multifunction connector
CN20 HDD LED connector
CN21 CPU fan connector
CN22 CPU fan and H/W monitoring connector
1-8 User’s Guide
1.4.4 Front Panel Connectors
The following figure shows the pin orientation of the front panel
connectors available on board:
Figure 1-3 Front Panel Connectors
System Board 1-9
1.5 Installation Precautions
Before you install any system component, we recommend that you
read the following sections. These sections contain important ESD
precautions, pre- and post installation instructions.
1.5.1 ESD Precautions
Electrostatic discharge (ESD) can damage your processor, disk drives,
expansion boards, and other components. Always observe the
following precautions before you install a system component.
1. Do not remove a component from its protective packaging until
you are ready to install it.
2. Wear a wrist grounding strap and attach it to a metal part of the
system unit before handling components. If a wrist strap is not
available, maintain contact with the system unit throughout any
procedure requiring ESD protection.
1.5.2 Pre-installation Instructions
Always observe the following before you install a system component:
1. Turn off the system power and all the peripherals connected to
the unit before opening it.
2. Open the system according to the instructions in the housing
installation manual.
3. Follow the ESD precautions in section 1.5.1 before handling a
system component.
4. Remove any expansion boards or peripherals that block access
to the DIMM sockets or CPU socket.
5. See the following sections for specific instructions on the
component you wish to install.
1-10 User’s Guide
Do not attempt the procedures described in
the following sections unless you are a
qualified service technician.
1.5.3 Post-installation Instructions
Observe the following after installing a system component:
1. See to it that the components are installed according to the step-
by-step instructions in their respective sections.
2. Make sure you have set all the required jumpers. See section
1.4.2. for the correct jumper settings.
3. Replace any expansion boards or peripherals that you removed
earlier.
4. Replace the system cover.
5. Connect the necessary cables and turn on the system.
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