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& K D S W H U
System Board
The V35LA-N is an all-in-one Pentium -based system board that
features the common functions offered by a high-performance board,
as well as the multimedia functions.
It has a power-management
function that conforms to the power-saving standards of the U.S,
Environmental Protection Agency (EPA) Energy Star program. It also
supports the Plug-and-Play feature.
The board utilizes a Pentium processor running at 75/50, 90/60,
100/66, 120/60, 133/66, 150/60, 166/66, or 200/66 MHz. It has one
riser card slot for future expansion. It also has four 72-pin SIMM
sockets that allow memory upgrade to a maximum of 128 MB, and
supports 256-KB/512-KB pipelined-burst second-level cache.
The
onboard video controller, MPEG decoder, and audio controller enable
the system to offer both video and audio functions.
Standard features such as two serial ports, one parallel port, a diskette
drive interface, and an embedded hard disk interface are also
incorporated in the system board.
A Universal Serial Bus (USB)
interface, video and audio connectors are added to the design to
enable the system to support additional peripherals.
The system is fully compatible with MS-DOS V6.X, OS/2, UNIX,
Windows NT and Windows 95 operating systems.
System Board
1-1
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Related Manuals for Acer V35LA-N
Summary of Contents for Acer V35LA-N
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Page 1: System Board
& K D S W H U System Board The V35LA-N is an all-in-one Pentium -based system board that features the common functions offered by a high-performance board, as well as the multimedia functions. It has a power-management function that conforms to the power-saving standards of the U.S, Environmental Protection Agency (EPA) Energy Star program. -
Page 2: System Board Layout
System Board Layout The system board has the following features and components: Supports 3.3V Intel Pentium CPU (75/50, 90/60, 100/66, 120/60, 133/66, 150/60, 166/66 MHz, 200/66 MHz) 128-MB maximum system memory Four 72-pin SIMM sockets that accept 4-, 8-, 16-, and 32-MB SIMMs, with or without Extended Data Output (EDO) and Error Checking and Correction (ECC) functions 256-KB or 512-KB pipelined-burst second-level cache... - Page 3 PS/2 keyboard connector LSFM connector (optional) BIOS Ultra I/O controller Power connector Battery Buzzer Second-level pipelined-burst cache CPU socket Voltage regulator with heatsink SIMM sockets Voltage regulator with heatsink ASIC (TXC) Figure 1-1 System Board Layout The heatsink becomes very hot when the system is on.
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Page 4: Esd Precautions
ESD Precautions Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other components. following precautions before you install a system component. Do not remove a component from its protective packaging until you are ready to install it. Wear a wrist grounding strap and attach it to a metal part of the system unit before handling components. -
Page 5: Installing A Cpu
Installing a CPU 1.4.1 Installation Procedures Observe the ESD precautions when installing components. See section 1.2. The system board features a zero-insertion force (ZIF) socket for easy CPU installation. Follow these steps to install a CPU: Pull up the socket lever. Insert the CPU, making sure that pin 1 (indicated by a notched corner) of the CPU connects to hole 1 of the socket. - Page 6 1.4.2 Installing an OverDrive The OverDrive CPU comes with a heatsink already mounted. maintain proper airflow around the CPU and heatsink, follow the required clearances in Table 1-1. Table 1-1 Clearances for OverDrive CPU and Heatsink Location Above the heatsink Sides of the CPU (at least 3 of 4) Follow these steps to install an OverDrive CPU: Locate the CPU socket and pull up the socket lever.
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Page 7: Jumpers And Connectors
See section 1.11 for the post-installation instructions. Jumpers and Connectors Figure 1-4 shows the jumper and connector locations. Figure 1-4 Jumper and Connector Locations The shaded pin indicates pin 1. System Board... - Page 8 For BIOS ROM 28F001 Enable Boot Block Programming Normal operation Flash ROM (28F001) EPROM Block Flash EEPROM Enable Acer BIOS logo Enable OEM BIOS logo Enable MPEG function Disable MPEG function Intel (1+4) burst sequence Linear burst sequence Enable SMM switch...
- Page 9 Table 1-3 CPU Core Voltage Select JP24 OPEN 1-2 or 2-3 OPEN 1-2, 3-4 Table 1-4 Bus Frequency Select Table 1-5 CPU Core/Clock Ratio Select P54C Table 1-6 /Password Function Select Disable SB Bypass password Sound Blaster System Board JP25 Vcore 3.52V 3.3V...
- Page 10 Enable SB Check password 1-10 User’s Guide...
- Page 11 Table 1-7 lists the onboard connectors. Table 1-7 Onboard Connectors Connector LSFM interface (optional) Fax/modem-in CD audio in Power connector Standby control Wavetable connector USB/LAN connector Keyboard connector Mouse connector CN10 Audio I/O connector CN11 Diskette drive connector CN12 IDE2 connector CN13 IDE1 connector CN14...
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Page 12: Installing Memory
Installing Memory The system memory is expandable to 128 MB by adding single in-line memory modules (SIMMs). See Figure 1-1 for the location of the SIMM sockets. Section 1.6.1 tells how to install SIMMs. The four 72-pin SIMM sockets on board accept single-density (4- and 8-MB) and double-density (16- and 32-MB) SIMMs, with or without EDO and ECC functions, and with 70-ns or less DRAM speed. - Page 13 Table 1-8 Memory Configurations (continued) Bank 1 SIMM 1 SIMM 2 SIMM 3 16 MB 16 MB 16 MB 16 MB 4 MB 16 MB 16 MB 8 MB 16 MB 16 MB 16 MB 16 MB 16 MB 32 MB 32 MB 32 MB 32 MB...
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Page 14: Installing A Simm
1.6.1 Installing a SIMM Observe the ESD precautions when installing components. See section 1.2. Follow these steps to install a SIMM: Carefully slip a SIMM at a 45 angle into a socket making sure that the curved edge indicating the pin 1 of the SIMM matches pin 1 of the socket. -
Page 15: Removing A Simm
See section 1.11 for the post-installation instructions. 1.6.2 Removing a SIMM Follow these steps to remove a SIMM: Press the holding clips on both sides of the SIMM outward to release it. Move the SIMM to a 45 angle. Pull the SIMM out of the socket. Figure 1-6 Removing a SIMM 1.6.3... -
Page 16: Second-Level Cache
Second-level Cache The board may come without cache or with 256-KB or 512-KB pipelined-burst second-level cache. Refer to the following table for the possible cache configurations that your board might have. Table 1-9 Second-level Cache Configurations Cache Data RAM Location Size (9 ns) 256 KB... -
Page 17: Supported Video Resolutions
Follow these steps to upgrade the VGA RAM: Locate the VGA memory expansion sockets on the system board. The sockets are marked U26 and U27 on the board. . Gently but firmly insert a 514260 DRAM (256 Kb x 16, 60-ns SOJ) chip into each of the VGA memory expansion sockets. -
Page 18: Audio Function
Table 1-10 Video Resolutions (continued) Display Resolution Refresh Rate 1024 x 768 43 int. 1024 x 768 1024 x 768 1024 x 768 1024 x 768 1024 x 768 1024 x 768 1152 x 864 43 int. 47 int. 1152 x 864 1152 x 864 1152 x 864 1152 x 864... -
Page 19: Installing Isa Cards
1.10 Installing ISA Cards Both PnP and non-PnP ISA cards require specific IRQs. installing ISA cards, make sure that the IRQs required by these cards are not previously assigned to PCI devices to avoid resource conflicts. Follow these steps when installing ISA cards: Remove all PnP cards installed in the system, if any. -
Page 20: Post-Installation Instructions
1.11 Post-installation Instructions Observe the following after installing a system component: See to it that the components are installed according to the step- by-step instructions in their respective sections. Make sure you have set all the required jumpers. See section 1.5 for the correct jumper settings. -
Page 21: System Error Messages
1.12.2 System Error Messages A system error message indicates a problem with the computer itself. These messages normally appear during the power-on self-test, before the operating system prompt appears. Table 1-11 lists the system error messages in alphabetical order. Table 1-11 System Error Messages Error Message Bad CMOS Battery... -
Page 22: Correcting Error Conditions
Table 1-11 System Error Messages (continued) Error Message Keyboard Interface Error Contact your dealer. Keyboard Locked Unlock the keyboard. Memory Error Check SIMMs on the system board. Contact your dealer. Memory Size Mismatch Run Setup. Serial 1 Conflict Run Setup. Disable Onboard Serial 1. - Page 23 Here are some corrective measures for error conditions: Run Setup. You must know the correct configuration values for your system before you enter Setup, which is why you should write these values down when the system is correctly configured. An incorrect Setup configuration is a major cause of power-on error messages, especially for a new system.