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Acer V58LA Motherboard

Jumper and Connector Layout

V58LA Motherboard Diagram

Note - The blackened pin of a jumper represents pin 1.

Specification

The V58LA system has the following features -
  • ZIF socket 7 for an Intel Pentium 90/100/120/133/150/166/200/233MHz including MMX, Cyrix/IBM M1/M2 and AMD K5/K6.
  • Two 168-pin DIMM sockets that support 8/16/32/64/128-MB 10/12ns 3.3V SDRAM modules. Upgradable to a maximum of 256 MB
  • 256K pipeline-burst second level cache onboard which is not upgradeable.
  • 1-MB video memory.
  • 256K BIOS which is APM and Year 2000 compliant.
  • Two Enhanced IDE interfaces supporting a total of four devices including UltraDMA hard drives and ATAPI CDROMs.
  • External ports -
    • PS/2 keyboard and mouse ports.
    • One high-speed (NS16C550 compatible) serial port.
    • One ECP/EPP high-speed parallel port.
    • VGA port.
    • Two universal serial bus ports.
  • Onboard chipsets -
    • Aladdin IV system chipset (equivalent to Intel Triton TX) with integrated E-IDE.
    • ATI Mach64 GT(Rage II) PCI graphics adapter.
    • SMC 37C93x I/O controller.
  • Plug and Play support.
  • Power management features (device standby, global standby).

How do I access my BIOS?

You can access the BIOS by pressing CTRL+ALT+ESC as the system is booting. At the bottom of the second start up screen you should see "To enter setup, press CTRL_ALT_ESC".

Note: If the system displays the Acer Splash Screen, once you hear the beep, you should begin pressing CTRL+ALT+ESC. You may need to press CTRL+ALT+ESC continuously until you access the BIOS setup screen.

How do I enable the USB port?

The USB function is enabled in the BIOS by pressing Ctrl+Alt+Esc at start up to access the BIOS before the Windows operating system begins to load. Then select On Board Peripherals Configurations then page down to view the next page and set the USB Host Controller to [Enabled].


CPU Jumper Settings

CPU FreqJP14JP15CN23S1 Settings
45
Intel Pentium
90 MHz1-3, 2-41-3, 2-41-3, 2-4OFFOFF
100 MHz1-3, 2-43-5, 4-61-3, 2-4OFFOFF
120 MHz1-3, 2-41-3, 2-41-3, 2-4OFFON
133 MHz1-3, 2-43-5, 4-61-3, 2-4OFFON
150 MHz1-3, 2-41-3, 2-41-3, 2-4ON ON
166 MHz1-3, 2-43-5, 4-61-3, 2-4ONON
200 MHz1-3, 2-43-5, 4-61-3, 2-4ONOFF
MMX 166MHz1-3, 2-43-5, 4-63-5, 4-6ONON
MMX 200MHz1-3, 2-43-5, 4-63-5, 4-6ONOFF
MMX 233MHz1-3, 2-43-5, 4-63-5, 4-6OFFOFF
Cyrix/IBM 6x86
Cyrix/IBM P150+1-3, 2-41-3, 2-41-3, 2-4OFFON
Cyrix/IBM P166+1-3, 2-43-5, 4-61-3, 2-4OFFON
Cyrix /IBM 6x86L
Cyrix/IBM P150+1-3, 2-41-3, 2-43-5, 4-6OFFON
Cyrix/IBM P166+1-3, 2-43-5, 4-63-5, 4-6OFFON
AMD K5
PR901-3, 2-41-3, 2-41-3, 2-4OFFOFF
PR1001-3, 2-43-5, 4-61-3, 2-4OFFOFF
PR1201-3, 2-41-3, 2-41-3, 2-4OFFON
PR1331-3, 2-43-5, 4-61-3, 2-4OFFON
PR1661-3, 2-43-5, 4-61-3, 2-4ONON
AMD K6
PR1661-3, 2-43-5, 4-63-5, 4-6ONON
PR2001-3, 2-4 3-5, 4-63-5, 4-6ONOFF
PR2331-3, 2-43-5, 4-63-5, 4-6OFFOFF

S1 Settings

SwitchSettingFunction
Password Security
Switch 1
ON
OFF
Password bypass
Password check
Onboard Sound
Switch 2
ON
OFF
Disabled
Enabled
Onboard LAN
Switch 3
ON
OFF
Disabled
Enabled
Clock Select
Switch 6
ON
OFF
Cypress CY2273
Clk 9148

Jumper Settings

JumperSettingFunction
JP1
BIOS Type
1-2
2-3
For models with Acer BIOS
For models with OEM BIOS
JP2
LED Function
1-2
2-3
LED for IDE and FDD
LED for IDE only
JP3 Suspend/Reset switch function1-2
2-3
Suspend
Reset
JP5
L2 Cache mode
1-2
2-3
Intel or Cyrix M1/M2 "1+4" mode
Cyrix M1/M2 linear burst mode
JP10
Power supply type
1-2
2-3
With standby power supply³ 1A
With standby power supply < 1A
CN23
CPU Voltage option
1-3,2-4
3-5,4-6
Single voltage CPU (P54C, K5, 6x86)
Dual voltages (P55C, K6, 6x86L)
CN36
Core Voltage
1-2
3-4
5-6
7-8
9-1
2.8V
2.9V
3.2V
3.31V
3.52V

Connector Functions

ConnectorFunction
CN2PS/2 keyboard connector
CN3PS/2 mouse connector
CN4COM Port
CN6USB connector
CN7Printer port
CN8Monitor port
CN10Standby power connector
CN11Power connector
CN12Diskette drive connector
CN13IDE connector 2
CN14IDE connector 1
CN22CPU fan connector
CN26Modem ring-in connector
CN27ATI multimedia connector (AMC)
CN30Power LED connector
CN31Message-in LED/HDD LED connector
CN34External speakers connector
CN35Reset switch connector
JPA1Power/Suspend/HDD LED/Power button connector (for OEM)