ECS UM4980 User Manual
  1. Manuals
  2. Brands
  3. ECS Manuals
  4. Motherboard
  5. UM4980
  6. User manual
ECS UM4980 User Manual

ECS UM4980 User Manual

High performance 80486 vl-bus mainboard
Hide thumbs
Table of Contents

Advertisement

Quick Links

EPA POUUllON PREVENTER

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the UM4980 and is the answer not in the manual?

Questions and answers

Related Manuals for ECS UM4980

Summary of Contents for ECS UM4980

  • Page 1 EPA POUUllON PREVENTER...
  • Page 2 Version 1.1 ’ - ,’ Made in Taiwan...
  • Page 3 U M 4 9 8 0 User’s Manual...
  • Page 4 Trademarks All brand and product names used in this manual may be trademarks or reg- istered trademarks of their respective companies.

  • Page 5: Table Of Contents

    Introduction General Specifications ............1 System Memory Memory Configurations .

  • Page 6: General Specifications

    1 Introduction The UM4980 is a high performance 80486 VL-Bus mainboard which in- cludes UM8498F and UM8496F chipsets. It also supports high integration 1 .l General Specifications 80486 SX/SX2, 80487SX, Processor: Intel Cyrix Cx486S (M6), Cx486DXIDX2 (M7) AMD Am486DX/DX2, Am486DXL/DXL2...
  • Page 7 Features 100% IBM PC/AT compatible Supports Local Bus Access Supports H/W and S/W Turbo Control Provides Fast CPU Reset and Fast Gate 20 Built-in direct map write through & write back cache controller Flexible cache memory size 128/256/512 KB/lMB Supports four banks memory up to 64MB Supports double density for bank2 and bank3 Supports 64MB addressing space for DMA Seven AT Bus slots including three VESA master slots...

  • Page 8: System Memory

    2 System Memory 2.1 Memory Configurations provides tremendous flexibility to support a number of differ- The UM4980 ent on-board DRAM configurations. The on-board DRAM is installed with Single-In-Line Memory Module (SIMM). There are four memory banks ca- pable of supporting 1MB up to 64MB.
  • Page 9 Total SIMM 2 SIMM 1 SIMM 3 SIMM 4 Memory Size 16MB 16MB 16MB 17MB 16MB 18MB 16MB 16MB 20MB 16MB 21MB 16MB 22MB 16MB 24MB 16MB 25MB 16MB 28MB 16MB 32MB 16MB 33MB 34MB 16MB 16MB 36MB 16MB 16MB 37MB 16MB 40MB...

  • Page 10: Cache Memory Subsystem

    2.2 Cache Memory Configuration TAG RAM Cache Bank0 Cache Bank 1 Option (U12, U13, U14,U15) (U18, U19, U20, U21) 128K None 256K 256K None 512K 512K None Table 2-2. Secondary Cache Memory Configurations...

  • Page 11: Jumper Settings And Connectors

    3 Jumper Settings and Connectors 3.1 Setting the Jumpers The table below s ummarizes the appropriate functions and settings of each jumper on the UM4980. Jumper Settings Function JP14 open JP15 short 2 - 3 Intel JP16 open JP17 open...
  • Page 12 Jumper Settings Function JP14 short 2-3 JP15 short l-2, 3-4 JP16 short l-2 JP14 open JP15 short 2-3 UMC Green CPU JP16 short 3-4 JP18 short 2-3 CPU Type JP15 short l-2, 3-4 JP16 short l-2, 3-4 JP14 short l-2, 3-4 Intel JP7 short 25 MHz...
  • Page 13 Manual Jumper Settings Function JP4 short l-2 JP5 short l-2 JP6 short l-2 256KB (64Kx8x4) [one bank) JP12 open JP4 short 2-3 JP5 short 2-3 JP6 open 256KB (32Kx8x8) (two bank) JP4 short 2-3 JP5 short 2-3 JP6 short 2-3 512KB (64Kx8x8) Cache Memory Set- (two bank)

  • Page 14: Connectors

    Shorts for in ternal keyboard control. 3.2 Connectors There are several connectors located on the UM4980. They are used to con- nect with some peripheral devices to enhance the operating performance of the system. Refer to Figure 3.1 for the positions of all the connectors on the mainboard.

  • Page 15: Board Layout

    3.3 Board Layout Keyboard Connector Power Connector Expansion Slots VL-Bus Slots ! L ! JP25 JP26 J32 J31J30 J29 Suspend Turbo Resume Figure 3-1. UM4980 Mainboard Layout...

  • Page 16: Graphic Descriptions Of Jumper Settings

    Graphical Descriptions of Jumper Settings signifies ins 1 & 2 are set as “short.” means that this jumer is set as “open.” CPU Type Intel 80486SX/SX2 CPU installed on-board JP15 Socket...
  • Page 17 2. Intel 80486DX/DX2/Am486DX/DX2 CPU installed on-board JP15 Socket JP15...
  • Page 18 JP14 Socket 5. Intel 80486 DX2 (Ll Write-Back, P24D) CPU installed on-board JP15 Socket...
  • Page 19 6. Cyrix Cx 486s (M6) CPU installed on-board Socket JP17 7. Cyrix Cx486DX/DX2 CPU installed on-board JP15 Socket JP17...
  • Page 20 8. UMC Green CPU U5S-Super CPU installed on-board Socket JP17 JP18 9. AM0 Am486 DXL/DXL2 CPU installed on-board Socket...
  • Page 21 10. 80486DX4 CPU installed on-board JP15 JP14 JP16 JP17 JP18 CPU Speed 1. 25MHz CPU Speed...
  • Page 22 2. 33MHz CPU Speed Socket 3. 40MHz CPU Speed...
  • Page 23 4. 5OMHz CPU Speed Socket CPU Vcc Source 1. + 5Vcc (source from standard power supply unit) Socket JP21...
  • Page 24 2. + 3.45Vcc (source from on-board regulator) Socket JP21 3. +3.3Vcc (source from on-board regulator) Socket JP21...
  • Page 25 Cache Size Setting 1. 128KB (32Kx8x4) Cache Size 2. 256KB (64Kx8x4) Cache Size...
  • Page 26 3. 256KB (32Kx8x8) Cache Size J P 4 @@O 1 J P 5 Wo 0 0 0 I...
  • Page 27 Manual 5. 512KB (128Kx8x4) Cache Size 6. 1 MB (128Kx8x8) Cache Memory Settings...

  • Page 28: Built-In Bios Setup Program

    4 Built-in BIOS SETUP Program 4.1 SETUP Program Use the BIOS for UM4980 to record changes in your hardware and to con- trol its special features. The Setup program uses a number of menus in which you can specify changes to your hardware and turn the special fea- tures to on or off.
  • Page 29 Fixed Disk Setup - allows for automatic detection of the hard disk drive type including the number of cylinders and heads write pre-com- per track. system for the Advanced System SETUP - sets the various user, including the internal/external cache memory fun&tons, ISA fea- tures, video and system shadowing etc..

  • Page 30: System Setup

    System Setup Date: Diskette Drlue CI: Figure 4-2. System Setup System Time - includes hour, minutes, seconds but only the values of hour and minute can be set. System Date - allows manual setting of the electronic calendar on the main- board..

  • Page 31: Fixed Disk Setup

    4.3 Fixed Disk Setup The Fixed Disk Setup provides auto configuration of the hard drive installed in the system. After pressing the < Enter > key on this item on the main menu, the screen will display the following screen. Fixed Disk 9 Control Disk Fixed...
  • Page 32 If the program fails to detect the hard disk(s) or the < Enter > key was not pressed in the Autotype Fixed Disk oprion, manual setting of the values is recommended. detects the type of fixed disk 0 and/or 1 installed. If successful, it fills the remaining fields on this menu.

  • Page 33: Advanced System Setup

    User’s 4.4 Advanced Chipset SETUP The Advanced System Setup allows the user to program three main groups of parameters under the Advanced System Setup namely the System Tim- ing, the Memory Shadow, and the Advanced chipset Control. This BIOS Setup parameter is designed for programmers who wish to fine tune the on- board chipset.
  • Page 34 Auto Configuration - Disabling this option allows the values for the other parameters to be changed. Enabling it will restrict you from making any changes. Cache ReadHit Wait State - determines the number of cycle times to be inserted when CPU reads data to cache. The setting depends on the speed of the CPU and SRAM.
  • Page 35 AT Bus Clock Select - specifies the speed of the AT Bus clock of the system. The available options are: Sampling Activity Time - selects the delay time when the chipset moni- tors and samples SMI. The available options are: No Delay Delay 1 T Memory Shadow...
  • Page 36 Shadow Memory Regions - shadows the option ROM located in the speci- fied blocks of memory, and can improve the system performance. Note: Some option ROMs do not work properly when shad- owed. Advanced Chipset Control Selecting Advanced Chipset Control from the Advanced System Setup main menu displays the following screen.
  • Page 37 Manual DRAM Parity Check - During a local memory read cycle, the UM8498F not only monitors bus steering, but also checks the parity bit for each data byte from DRAM to ensure that the correct.data is read. The available op- tions are: Enabled Disabled (default)

  • Page 38: Boot Options

    User’s 4.5 Boot Options Floppy check:: Boot sequence: P6 Default Corflguration Figure 4- Boot Options Screen Floppy check - allows the system to search and verify the floppy drives aur- ing boot. The default value for this option is Boot sequence - sets the sequence from where the BIOS will attempt to load the operating system.

  • Page 39: Security

    4.6 Security Security Disabled Diskette access: E n t e r ESC Exlt Security Screen Figure 4- I I. Supervisor Password is - shows whether the supervisor password is en- abled or disabled (default). User Password is - shows whether the user password is enabled or disabled (default).

  • Page 40: Green Pc Features

    4.7 Green PC Features Copyright 1992-93 Phoenix Technologies Ltd. Swing Power Power Down feature: wpport: Floppy access Configuration Configuration Figure 4- 12. Green PC Features Screen I Technologies Phoenix Setup - Copyright 1992-93 Phoenix Ltd. Green PC Peaturcs Hard Disk access: LPI access: access: PgUp Preuious...
  • Page 41 Phoenix Setup - Copyright 1932-93 Phoenix Technologies Ltd. Green PC Peatqres IRQ7 [Printer): [Off I PgUp Preuious Ualue ' PgDn Next Ualue Figure 4- 14. Green PC Features Screen3 Power Saving Mode - enables or disables (default) the power saving mode feature of the chipset.
  • Page 42 Non-SMI CPU Support - selects the interrupt request signal to replace System Management Interrupt (SMI) events when the CPU does not support SMI. The options are: By IRQ IO (default) Hard Disk Standby Timer - sets the time interval after hard disk inac- tivity when the system events enter STANDBY mode.

  • Page 43: Load Rom Default Values

    4.8 Load ROM Default Values If, during bootup, the BIOS program detects a problem in the integrity of the CMOS, it will display a message asking you to either press the <DEL> key to run Setup or the < ably means that the CMOS values have been corrupted or modified incor- rectly, perhaps by an application program that changes data stored in CMOS.

  • Page 44: Load Values From Cmos

    Load Values from CMOS If, during a Setup session, you change your mind about your selections and have not yet saved the values to CMOS, you can restore the values you pre- viously saved to CMOS. Select Load Values from CMOS on the Main Menu and the program will display the following screen.

  • Page 45: Save Values To Cmos

    4.10 Save Values to CMOS After making your selections on the SEtup menus, always select Save Val- ues to CMOS in order to make them operative. Unlike standard RAM mem- ory, CMOS RAM is sustained by an on-board battery and stays on after you turn your system off.

  • Page 46: Quitting Setup

    4.11 Quitting Setup After making all modifications in the Setup program, go to the option “Save Values to CMOS’ then press the < Enter > key or simply press the you would like to save and exit or not. Use the arrow keys or press < Y > for Yes then the < Enter > key to save your settings before exiting.

Table of Contents