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User’s Manual

2 System Memory

2.1 Memory Configurations

The UM4980

provides tremendous flexibility to support a number of differ-

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

up to 64MB.

The following table lists all the possible DRAM module combinations and
the total memory amount for each option.

SIMM 1

SIMM 2 SIMM 3

SIMM4

Total

Memory Size

2MB

3MB

4MB

5MB

4MB

6MB

4MB

7MB

4MB

8MB

4MB

12MB

4MB

13MB

4MB

16MB

Table

Memory Bank Configurations and Requirements

Continued..

Summary of Contents for UM4980

Page 1: ... n Y EPA POUUllON PREVENTER UM4980 ...

Page 2: ... _ 40 012 42311 1 Version 1 1 Made in Taiwan ...

Page 3: ...UM4980 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: ...Jumpers 6 Connectors 9 Board Layout 10 Graphic Descriptions of Jumper Settings 11 Built in BIOS Setup Program Setup Program 23 System Setup 25 Fixed Disk Setup 26 Advanced System Setup 28 Boot Options 33 Security 34 Green PC Features 35 Load ROM Default Values 38 Load Values from CMOS 39 Save Values to CMOS 40 Quitting Setup 41 Appendix A Setting the System Speed ...

Page 6: ...0486 SX SX2 80487SX 80486DX DX2 DX4 P24D Cyrix Cx486S M6 Cx486DXIDX2 M7 AMD Am486DX DX2 Am486DXL DXL2 UMC Green CPU U5S SUPER UMC 8498F UMC 8496F Phoenix AMI KEYII DRAM 72 pins SIMM single or double density EPRdM 27C512 12812561512 KB 1 MB Seven 7 16 bit AT slots One I 8 bit XT slot Three 3 VL Bus slots Standard Power Connector Hard ware Reset Connector Ext Speaker Connector External Battery Turbo...

Page 7: ...ntroller l Flexible cache memory size 128 256 512 KB lMB l Supports four banks memory up to 64MB l Supports double density for bank2 and bank3 l Supports 64MB addressing space for DMA l Seven AT Bus slots including three VESA master slots l Performs zero wait burst read for the 486 CPU l Programmable DRAM Access wait state O l 2 l One 237 238 ZIF pins CPU socket which supports 486SX SX2 DX DX2 DX4...

Page 8: ...MB up to 64MB The following table lists all the possible DRAM module combinations and the total memory amount for each option SIMM 1 SIMM 2 SIMM 3 SIMM4 Total Memory Size IMB IMB IMB IMB 2MB 2MB 2MB IMB I IMB IMB 3MB IMB IMB IMB IMB 4MB 2MB 2MB 4MB 4MB 4MB 4MB IMB 5MB ______ 4MB IMB 1MB 6MB 4MB 1MB IMB IMB 7MB 4MB 4MB 8MB 8MB 8MB 4MB 4MB IMB 9MB 4MB 4MB IMB 1MB IOMB 4MB 4MB 4MB 12MB 4MB 4MB 4MB IM...

Page 9: ... 16MB 4MB 4MB 24MB 16MB 4MB 4MB IMB 25MB 16MB 4MB 4MB 4MB 28MB 16MB 16MB 32MB 16MB 16MB IMB 33MB 16MB I 16MB I IMB I IMB I 34MB 16MB 16MB 4MB 36MB 16MB 16MB 4MB 1 1MB 37MB 16MB 16MB 4MB 4MB 40MB 16MB I 16MB I 16MB I I 48MB 16MB j 16MB I 16MB I IMB I 49MB 16MB j 16MB j 16MB 1 4MB 52MB 16MB 16MB 16MB 16MB 64MB It means double density Table 2 1 Memory Bank Configurations and Requirements Continued I ...

Page 10: ...n TAG RAM Cache Bank0 Cache Bank 1 NJ221 U12 U13 U14 U15 U18 U19 U20 U21 128K 8Kx8 32Kx8 None 256K 32Kx8 32Kx8 32Kx8 256K 32Kx8 64Kx8 None 512K 32Kx8 64Kx8 64Kx8 512K 32Kx8 128Kx8 None 1MB 64Kx8 128Kx8 128Kx8 Table 2 2 Secondary Cache Memory Configurations 5 ...

Page 11: ... 3 JP16 open JP17 open JP18 short 2 3 JPl9 open JP14 open JP15 short l 2 3 4 JPI 6 short l 2 JPI 7 open JPI 8 short 2 3 JP19 open JPI 4 short 1 2 3 4 JP15 short 2 3 JPI 6 open JPI 7 short 5 6 JPI 8 short 1 2 JPI 9 short 1 2 JPI 4 short l 2 3 4 JPI 5 short l 2 3 4 JPI 6 short l 2 JP17 short 5 6 JPI 8 short l 2 JPI 9 short 1 2 JPI 4 short l 2 3 4 JPI 5 short l 2 3 4 JPI 6 short l 2 JPI 7 short 3 4 5...

Page 12: ...open JP15 short l 2 3 4 JP16 short l 2 3 4 JPI 7 short l 2 JPI 8 short 2 3 JP19 short 2 3 Intel 804860X4 JP14 short l 2 3 4 JPI 5 short 1 2 3 4 JPI 6 short l 2 JPI 7 short 5 6 JPI 8 short 1 2 JP19 short 1 2 Clock Select 25 MHz 33 MHz 40 MHz 50 MHz JP7 short JP8 open JP9 open JP7 short JP8 short JP9 short JP7 short JP8 short JP9 open JP7 open JP8 open JP9 short JP4 short 1 2 JP5 short l 2 128KB 32K...

Page 13: ...Settings JP4 short l 2 JP5 short l 2 JP6 short l 2 JPIO open JPI I open JP12 open JPI 3 short JP4 short 2 3 JP5 short 2 3 JP6 open JPIO open JPI 1 open JPI 2 open JPI 3 short JP4 short 2 3 JP5 short 2 3 JP6 short 2 3 JPIO open JPI I short JP12 open JPI 3 short JP4 short l 2 JP5 short 2 3 JP6 short 2 3 JPI 0 short l 2 JPI 1 short JPI 2 open JPI 3 short JP4 short 2 3 JP5 short 2 3 JP6 short 2 3 JPIO...

Page 14: ...e 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 The following table lists the connectors on the UM4980 Connector Function Jl Power Supply Connector J2 External Battery Connector J3 Keyboard Connector J 2 7 Suspend Resume Push Botton J 2 8 Turbo LED J 2 9 E...

Page 15: ...ector VL Bus Slots L L j j JP25 JP26 Expansion Slots JPl J32 J31J30 J29 JP9mJP7 JP6 l r CPU Jl I wij Power I L 1 S I IM 2 Connector B r lI 0 S r S I M 1 Key ock I Reset Turbo Turbo LED Suspend swltdl Spe8ker Resume Figure 3 1 UM4980 Mainboard Layout IO ...

Page 16: ...er s Mmuul 3 4 Graphical Descriptions of Jumper Settings p G signifies ins 1 2 are set as short pB i jmeans that this jumer is set as open CPU Type 1 Intel 80486SX SX2 CPU installed on board r CPU Socket JP15 11 ...

Page 17: ...980 User s Manual 2 Intel 80486DX DX2 Am486DX DX2 CPU installed on board CPU Socket LiII UM8498F JP15 1 8 8 0 1 JPl6 g JP 4 m 8 4 O 3 Intel 80486SX SX2 SL Enhance CPU installed on board 1 UM8496F 1 JP15 12 ...

Page 18: ...980 User sibzuul 4 80486 DX DX2 SL Enhance CPU installed on board 1 UM8496F El UM8498F r I CPU Socket JP15 1 JP14 5 Intel 80486 DX2 Ll Write Back P24D CPU installed on board El UM8496F JP15 CPU I Socket 13 ...

Page 19: ...UM4980 Vser s_Mmual 6 Cyrix Cx 486s M6 CPU installed on board El UM8496F 1 UM8498F J CPU Socket JP17 8 7 Cyrix Cx486DX DX2 CPU installed on board UM8498F CPU Socket JP15 1 JPl JP17 6 JPl 14 ...

Page 20: ...UM4980 User sManuul 8 UMC Green CPU U5S Super CPU installed on board El UM8496F 1 UM8498F CPU Socket 5 1 JPl JP17 6 JP18 I 9 AM0 Am486 DXL DXL2 CPU installed on board CPU Socket 15 ...

Page 21: ...UM4980 User s Manual 10 80486DX4 CPU installed on board CPU Socket JP15 1 JP16 1 JP14 1 JPl JP17 6 JP18 CPU Speed 1 25MHz CPU Speed El UM8496F JP7 JP8 I 1 UM8498F h 16 ...

Page 22: ...UM4980 User s Manual 2 33MHz CPU Speed JPQmiJP7 CPU Socket UM8496F ll_ J UM8498F 3 40MHz CPU Speed El UM8496F JP7 17 ...

Page 23: ...UM4980 User s Manual 4 5OMHz CPU Speed i UM8496F CPU Socket I UM8498F CPU Vcc Source 1 5Vcc source from standard power supply unit CPU Socket JP20 JP21 h UM8498F 18 ...

Page 24: ...UM4980 User sManual 2 3 45Vcc source from on board regulator El UM8496F El UM8498F CPU Socket JP21 3 3 3Vcc source from on board regulator CPU Socket El UM8498F JP22 00 m l 88 JP20 JP21 19 ...

Page 25: ...UM4980 User s Mmuul Cache Size Setting 1 128KB 32Kx8x4 Cache Size w l l 2 256KB 64Kx8x4 Cache Size 1 I UM8498F 20 ...

Page 26: ...Manual 3 256KB 32Kx8x8 Cache Size I UM8498F 4 512KB 64Kx8x8 Cache Size UM8496F L I UM8498F a0 X Y N m u co X Y e a J P 4 O 1 J P 5 Wo 1 w JP6 0 0 0 1 JPlO 0 0 0 I 00 X Y N m Lr a0 X Y N m 00 X I Y e co aD X IY N m 21 ...

Page 27: ...UM4980 User s Manual 5 512KB 128Kx8x4 Cache Size l r U b 4 Lu 6 1 MB 128Kx8x8 Cache Memory Settings h 00 X 1Y OD N OD X IY 00 N Lr co X Y a0 N F 22 ...

Page 28: ...yed Phanix Setup Copiuht 1392 93 Phoenix Technologies Ltd tlain Menu l system setup l Fixed Disk Setup l fMuanced system setup Boot Options l Security l Green PC Features Loud Ral Default Values ILoad Values from COWS Saue Ualues to CHOS t1 rlout Enter Select ESC Exit FlO we Exit Figure 4 1 SETUP Main Menu It is highly recommended that you list down all the values of the SETUP program before makin...

Page 29: ... PC Features allows the timer settings for the DOZE STANDBY and RESUME modes It also lists the SMI events by which the system wakes u from STANDBY or SUSPEND modes If the de vice is not active 3 ower Management Function will slow down the CPU speed and both IDE and monitor will be put into doze standby or suspend mode Load ROM Default Values allows for automatic confi ation of all the above option...

Page 30: ...and minute can be set System Date allows manual setting of the electronic calendar on the main board Video System specifies the display adapter installed System Memory and Extended Memory displays important information about your system which includes the conventional and extended memory sizes They are updated automatically by the Setup program according to the status detected by the BIOS self tes...

Page 31: ...ility CEnabledl Tl Houe Enter Select CSC exit FlO save Exit Figure 4 3 Fixed Disk Setup Screen I Once the program detects the type of hard disk 0 and or 1 installed it will display the relative information such as the type cylinders heads write pre compensation landing zone and number of sectors per track Phoenix Setup CopyriDW 1992 93 Phoenix technoloqies LU Fixed Disk 8 Control fhltotgpe lxed Di...

Page 32: ...provides the number of sectors per track defined for the hard disk drive The range is from 1 to 64 Landing Zone refers to the cylinder number where the disk drive heads read write are positioned to when the disk drive is parked The range of this option is from 1 to 1024 Write Precomp refers the cylinder number above which disk drive op erations require reduced write current Also specifies the numb...

Page 33: ...Chipset Control I t1 noue Enter Select ESC Exit Pi SautIkExi t Figure 4 5 Advanced Cbipset SETUP Screen System Timing Selecting System Timing from the Advanced System Setup mainmenu dis plays the following screen The actual features displayed depend on the ca pabilities of your system s hardware hoenlx Setup Copgrlght 1992 93 haenix technologies Ltd syaten Tlnlllg Cache Kead Hit Wit State C3 2 2 2...

Page 34: ...parameter makes no dif ference from that of the SRAM Read This option sets the number of wait states to be added on writes to cache memory Fewer wait states are recommended to improve the system performance Check the CPU speed and SRAM before changing the default value The available op tions are listed below l o w s l IWS l 2 w s DRAM Wait State determines the number of wait states to be in serted...

Page 35: ...tures displayed depend on the ca pabilities of your system s hardware Phoenix setrp copgri t lsvz 3 Phomlx rechn01ogia Ltd sbdou kaory kgIoma ewe cwr CDlsabldl cc08 ccl CDlssbldl wee b3R tDlsabldl M08 D7R tDlsabldl Ime Inn CDLsabldl DC88 DW Dlsabldl 11 lloue Esc exit r lp rcuiouD Ualue 15 nuious Confifptration n lbxt Ualue P6 Ddamlt Configuutlon I Figure 4 7 Memory Shadow Screen System shadow allo...

Page 36: ... select Khipsetl Local IDaady lklay Setting liTI CPU ADSu Delay Ctbnel IA Recovery Time Select c5 31 I 11 ebue ESC Exit PgUp Preuious Ualue FS Prcuiws Configuration PgDn Wext Ualue F6 Default Configuration Figure 4 8 Advanced Chipset Control Screen Note The contents of this menu depends on the chipset in stalled on your mainboard and chipsets vary widely Consult your dealer or the FI help screens ...

Page 37: ...ult n CAS before RAS Signal GA20 Select sets the method of select Signal GA20 from Key board Controller or UM8498F Chipset Emulate The available options are listed below n Chipset default q Keyboard Signale RC select sets the method of select Signal RC The available op tions are n Chipset default n Keyboard Local Ready Delay Setting sets the delay time of Local Ready Signal The available options a...

Page 38: ...a Ualrc PS Prcuious Conflgiratlon gDn Next Ualue P6 Default Corflguration Figure 4 IO 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 Enubkd Boot sequence sets the sequence from where the BIOS will attempt to load the operating system The options are n C then A W C only n A then C default 33 ...

Page 39: ...password which can be up to seven al phanumeric characters This option also gives full access to the Setup menus Set User Password Pressing the Enter key will display a message re quiring for the user password which can be up to seven alphanumeric char acters This option also gives restricted access to the Setup menus and requires the setting of the Supervisor Password first Password on boot deter...

Page 40: ...y Um access Floppy access Off I COnl v I 14 Hove ESC Exit gUp Rcuiows UaLuc FS Preuiour Configuration PnDn kxt Value P6 Default Configuration Figure 4 12 Green PC Features Screen I I Phoenix Setup Copyright 1992 93 Phoenix Technologies Ltd Green PC Peaturcs Hard Disk access mEi1 Heyboard access COnl COW access On1 LPI access Off1 Is I Master access went On1 UESA slrue access On1 Systen Uakeup fror...

Page 41: ...following options can be set System Doze Timer sets the time interval after system inactivity when the system enters DOZE mode The available options are l 30 s default l 1 I21418 m l Disabled System Standby Timer sets the time interval after system inactivity when the system events enters STANDBY mode The options are l 2 m default l 4 8 l 6 32 64 l 2812561512 m l Disabled System Suspend Timer sets...

Page 42: ...ers Doze Standby modes by The menu also lists the Sys tem Management Interrupt SMI events by which the system wakes up from Doze or SUSPEND modes Switch the following parameters to on or off 0 0 0 0 a 0 0 0 VGA access Floppy access Hard Disk access Keyboard access COM access LPT access ISA Master access VESA Slave access System Wakeup from Suspend modes by The menu lists the SMI events by which th...

Page 43: ...e CMOS values have been corrupted or modified incor rectly perhaps by an application program that changes data stored in CMOS Press the Fl key to resume the boot or DEL to run Setup with the ROM default values already loaded in the menus You can make other changes before saving the values to CMOS Phoenix Setup Copyright 1992 93 Phoenix Technologies Ltd Main Hem l System Setup Load Ualues fron CMOS...

Page 44: ... 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 Phoenix Setup Copyright 1932 93 Phoenix Technologies Ltd Main Henu l systca setup Load Ualues fron CMOS Saue Ualucs to CMOS Figure 4 16 Load Values from CMOS Screen 39 ...

Page 45: ...ht 1992 93 Phoenix Technologies Ltd llain llenu Load Ualucs fron CMOS Saue Ualues to CMOS Figure 4 17 Save Values to CMOS Screen If you attempt to exit without saving the program will ask you if you would like to save the changes made before exiting During bootup BIOS for the chipset attempts tom load the values you saved in the CMOS RAM If the values saved in the CMOS cause the system boot to fai...

Page 46: ...rrow keys or press Y for Yes then the Enter key to save your settings before exiting Press N for No then the Enter key to exit without saving If you made changes to the CMOS values and then press the ESC key the program will prompt you whether you would like to Quit without saving or not Press Y for Yes then the C Enter key to quit without saving or press N then the Enter key to save your settings...

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