MYLEX MOTHERBOARDS MA286-10/12/16 MB386-16/20 MI386-16/20 MQ386-16/20, XT386-16/20 MX386-25/33 MWS386 MXA386-33 MXS386-16 MAE486-25/33 MDI/MSI486 MNE486-25/33 MAE486-25/33 MNE486 MVE486 MVI486 MSI/MDI486 ########################################################################### Switch Settings for MA286-10/12/16 System Board. Switch 1: ON: boot at 1/2 CPU speed. OFF: boot at normal CPU speed. Switch 2: ON: I/O bus operates same speed as CPU. OFF: i.e. 8/6/5MHz & SW1 Off Mother Board Memory Sw4 Sw3 Standard Extended ON ON 256 NONE ON OFF 512 NONE OFF ON 640 NONE OFF OFF 640 384K System Speed W1 W2 W3 W4 W5 DRAM Speed 10 MHz, 0ws 2-3 1-2 2-3 2-3 1-2 120ns 10 MHz, 1ws 1-2 1-2 2-3 2-3 NONE 150ns 12 Mhz, 0ws 2-3 1-2 1-2 2-3 1-2 100ns 12 MHz, 1ws 1-2 1-2 2-3 2-3 NONE 120ns 16 MHz, 0ws 2-3 1-2 1-2 1-2 1-2 80ns 16 MHz, 1ws 1-2 1-2 2-3 1-2 NONE 100ns (ws=waitstate) ######################################################################## Switch Settings for MB386-16/20 System Board Mother Board Memory SW4 SW3 SW2 SW1 1MB 4MB OFF OFF ON OFF 640/384 N/A OFF OFF OFF OFF N/A 640/3456 SW5: ON: Use on-board EGA BIOS OFF: Do not use on-board EGA BIOS (Default) SW6: OFF: Factory default setting SW7: ON: System will boot at 8 MHz (cache disable) OFF: System will boot at 16 (or 20) Mhz (cache enable) SW8: ON: BIOS will recognize color video on booting OFF: BIOS will recognize monochrome video on booting ######################################################################## Switch Settings for MI386-16/20 System Board Mother Board Memory SW4 SW3 SW2 SW1 1MB 2MB 4MB 8MB ON ON OFF OFF 640/384 N/A N/A N/A ON OFF OFF OFF N/A 640/1408 N/A N/A OFF ON OFF OFF N/A N/A 640/3456 N/A OFF OFF ON OFF N/A N/A N/A 640/7168 SW5: ON: Use on-board EGA BIOS OFF: Do not use on-board EGA BIOS (default) SW6: OFF: Factory default setting SW7: ON: System will boot at 8 MHz - cabhe OFF OFF: System will boot at 16 (or 20) Mhz - cache ON SW8: ON: BIOS will recognize color video on booting OFF: BIOS will recognize monochrome video on booting ######################################################################## Switch Settings for MQ386-16/20 and XT386-16/20 System Boards SW1: ON: On board EGA BIOS is Enabled. OFF: On board EGA BIOS is Disabled(defult). SW2: ON: 08000 -090FFFF memory will be cahsed. OFF: All the memory will be cashed. SW3: ON: 387 is not present. OFF: 387 is present. SW4: ON: 6/8 MHz of system operation(cache off) OFF: 16/20 Mhz of system operation(cache on) SW5: ON: Color display(VGA/EGA/CGA). OFF: Monochrome display Memory board Switch Settings Function ON OFF SW1 Bank select two banks one bank SW2 Mem below 1MB 640k 512k SW3 640-1024 boundary Enable Disable ######################################################################## Switch Settings for MX386-25/33 System Board * Memory Board (No Interleave only) Switch SW1 Settings Jumper Settings Memory installed SW1 SW2 SW3 SW4 J19 J20 J1* J2* 1MB(4 SIMMs, 256K) OFF ON ON ON OUT 2-3 1-2 1-2 2MB(8 SIMMs, 256K) OFF ON OFF ON 3-4 OUT 1-2 1-2 4MB(4 SIMMs, 1024K) OFF ON OFF OFF OUT 2-3 1-2 1-2 8MB(8 SIMMs, 1024K) OFF OFF ON ON 5-6 OUT 1-2 1-2 16MB(4 SIMMs, 4096K) ON OFF OFF ON OUT 2-3 1-2 1-2 32MB(4 SIMMs, 4096K) ON OFF OFF OFF 7-8 OUT 1-2 1-2 Switch SW0(10 switches labelled SW0): Sw1: ON=80387 not present, OFF=present. Sw2: ON=No add on board has memory configured between 12 MB & 14 MB(default). Sw3 & Sw4: OFF & OFF Memory up to 32 MB is cached.(Must use 128KB Cache) OFF & ON up to 14MB is cached if Sw1 is OFF. ON & OFF up to 16 MB is cached (defult)(64KB cache only). ON & ON up to 4MB Cac. Sw5 & Sw6 & Sw7: All ON=80ns for MX386-25/60ns for MX386-33. All OFF=100ns for MX386-25/80ns for MX386-33. Sw8: ROM shadowing disabled(defult). Sw9&10: not used J3: 1-2 Monochrome, 2-3 Color. J4: 1-2 Disable I/O bus DRAM refresh(Default), OUT Enable. J6: 1-2 Low speed, OUT:High speed. J9: 1-2 Cache disabled OUT: Enable. ######################################################################## MYLEX MWS386 There is only one switch bank on the MWS386 with 8 switches. SW1: On: Mylex 32-bit memory card installed in slot#8 (for systems with more than 8MB only.). Off:No 32-bit memory card installed. SW2: Refer to the table below. SW3: Refer to the table below. SW4: On:256K DRAMs are used, Off:1024K DRAMs are used. SW5: On:On board EGA BIOS at C000 (active) (AMI BIOS only). Off:On board EGA BIOS at E000 (inactive). SW6: On:80387 not installed. Off:80387 installed. SW7: On:System will boot at 8 MHz, Off:Boot at high speed(16,20,25 MHz). SW8: On:Primary display color, Off: Primary display mono System Board Memory Bank 0 Bank 1 Switches 2, 3, 4: 1 MB 256 KB X 4 Vacant Off On On 2 MB 256 KB X 4 256 KB X 4 Off Off On 4 MB 1024 KB X 4 Vacant Off On Off 8 MB 1024 KB X 4 1024 KB X 4 On Off Off CPU Speed / Speed of SIMM chips 16 MHz / 120 ns 20 MHz / 100 ns 25 MHz / 80 ns Coprocessor installation An Intel 80387 and / or Weitek 3167 math co-processor may be installed in the PLCC type socket located near the power supply connectors. When installing the 80387, the chip should be seated in the middle of the socket. If installing both the 3187 and the 80387, an optional daughter board which fits into the math coprocessor socket and stands above the board is required. Switch 6 is for the proper operation of the 80387 only. If 3167 is installed and 80387 is not installed then the switch 6 should be set On. I/O-bus speed. Jumper J25 (5 pin) 5-4 1/2 CPU speed (default setting) 4-3 1/4 CPU speed 3-2 1/4 CPU speed 2-1 1/3 CPU speed J27 drives the Turbo LED. Pin 1 connects to Ground. The latest version of the BIOS available for this Board is 6.13 (Mylex Custom BIOS). If you have an EEPROM programmer the BIN file is called MWS613.EXE and can be downloaded for free from our BBS (510) 793-3491. ######################################################################## Switch Settings for MXA386-33 System Board Memory installed SW1 SW2 SW3 1MB(4 SIMMs, 256K) OFF ON OFF 2MB(8 SIMMs, 256K) ON ON OFF 4MB(4 SIMMs, 1024K) OFF OFF ON 8MB(8 SIMMs, 1024K) ON OFF ON 16MB(4 SIMMs, 4096K) OFF ON ON 32MB(4 SIMMs, 4096K) ON ON ON Default Function SW4 OFF (0C0000-0CFFFF) ON-No Cache OFF-Cache SW5 ON (0D0000-0DFFFF) ON-No Cache OFF-Cache SW6 OFF (0E0000-0FFFFF) ON-No Cache OFF-Cache SW7 OFF (F00000-FFFFFF) ON-No ISA Bus Memory OFF-ISA BM SW8 ON ON-No 80387 installed, OFF-80387 installed SW9 OFF ON-Primary display color, OFF-Pri disp mono SW10 ON ON-Cache Enable, OFF-Cache Disable - Uses 20, 25 or 33 Mhz 80386 microprocessor and 80387 and/or Weitek 3167 co-processor only - The memory is arranged in 2 Banks (0 and 1) of 4 SIMM slots each. The 4 SIMM banks closest to the I/O slots (u99 thru u102) are Bank 0 - Use 256KBX9, 1MBX9 or 4MBX9 SIMMs of 80ns or 70ns only ######################################################################## Switch Settings for MXS386-16 System Board Sw1 Sw2 Function OFF OFF 100ns DRAM with fast page mode,(4 page active) Default OFF ON 100ns DRAM with fast page mode,(1 page active) ON OFF Use 100ns DRAMs, non-fast page mode ON ON Use 120ns DRAMs non-fast page mode Switch bank SW3 Settings: Switch OFF ON J1 Disable Serial Port Enable Serial Port J2 Disable ParallelPort Enable Parallel Port J3 Serial Port is COM1 Serial Port is COM2 J4 Parallel Port is LPT1 Parallel Port is LPT2 J5 IRQ3 is Disabled IRQ3 is Enabled J6 IRQ4 is Disabled IRQ4 is Enabled ######################################################################## Jumper Settings for MAE486-25/33 System Board J1 1-2=Enable Ext.Cache(default), Open=Disable Ext.Cache J2 1-2=33MHz Operation, 2-3=25MHz Operation 1MB 2MB 4MB 8MB 16MB 32MB J3 OPEN 1-2 OPEN 1-2 OPEN 1-2 J4 OPEN 1-2 OPEN 1-2 OPEN 1-2 J5 OPEN 1-2 OPEN 1-2 OPEN 1-2 J6 OPEN 1-2 OPEN 1-2 OPEN 1-2 J7 OPEN OPEN OPEN OPEN 2-3 1-2 J8 2-3 1-2 1-2 1-2 1-2 1-2 J9 OPEN OPEN 2-3 1-2 1-2 1-2 J10 1-2 1-2 1-2 2-3 2-3 2-3 J11 1-2 1-2 1-2 1-2 1-2 2-3 J12 1-2 2-3 2-3 2-3 2-3 2-3 Factory use, default setings are: J13:1-2, J14:1-2, J15:1-2, J16:1-2, J17:1-2 ######################################################################## CPU and Speed selection jumpers for MDI/MSI486 486SX 487SX 486DX JP8 OPEN 2-3 1-2 JP9 2-3 1-2 1-2 JP10 OPEN CLOSED CLOSED 20MHz 25MHz 33MHz JP14 2-3 2-3 2-3 JP15 1-2 2-3 1-2 JP16 2-3 1-2 1-2 JP17 1-2 2-3 2-3 * For DX2-66 Use the 33Mhz DX settings. * For DX2-50 use the 25Mhz DX settings. * The DX4-100 CPU is not supported on this motherboard. Cache Memory Size: 64KB 256KB JP11 OPEN CLOSED JP12 OPEN OPEN JP13 OPEN CLOSED JP7 OPEN CLOSED JP1 CLOSED=Color, OPEN=MONO JP21 OPEN=External(battery), 2-3=OnBoard, 1-2=Rest CMOSet JP19 2-3=IRQ7(Printer IRQ), 1-2=IRQ5(Printer IRQ5) JP20 1-2=Enable All(I/O Enable), 2-3=Disable All ######################################################################## Jumper Settings for MNE486-25/33 System Board J1 1-2 Enable Ext. Cache, default, OPEN Disable Ext. Cache J17 1-2 COM1 (IRQ4), OPEN COM2 (IRQ3) J18 1-2 LPT1 (IRQ5), 2-3 LPT2 (IRQ7) J20 1-2 Default setting (don't change), OPEN Factory diagnostics 1MB 2MB 4MB 8MB 16MB 32MB J3 OPEN 1-2 OPEN 1-2 OPEN 1-2 J4 OPEN 1-2 OPEN 1-2 OPEN 1-2 J5 OPEN 1-2 OPEN 1-2 OPEN 1-2 J6 OPEN 1-2 OPEN 1-2 OPEN 1-2 J7 OPEN OPEN OPEN OPEN 2-3 1-2 J8 2-3 1-2 1-2 1-2 1-2 1-2 J9 OPEN OPEN 2-3 1-2 1-2 1-2 J10 1-2 1-2 1-2 2-3 2-3 2-3 J11 1-2 1-2 1-2 1-2 1-2 2-3 J12 1-2 2-3 2-3 2-3 2-3 2-3 ######################################################################## Jumper setting for MAE486-25/33 System Board On board Memory: 1MB 2MB 4MB 8MB 16MB 32MB J3 OPEN 1-2 OPEN 1-2 OPEN 1-2 J4 OPEN 1-2 OPEN 1-2 OPEN 1-2 J5 OPEN 1-2 OPEN 1-2 OPEN 1-2 J6 OPEN 1-2 OPEN 1-2 OPEN 1-2 J7 OPEN OPEN OPEN OPEN 2-3 1-2 J8 2-3 1-2 1-2 1-2 1-2 1-2 J9 OPEN OPEN 2-3 1-2 1-2 1-2 J10 1-2 1-2 1-2 2-3 2-3 2-3 J11 1-2 1-2 1-2 1-2 1-2 2-3 J12 1-2 2-3 2-3 2-3 2-3 2-3 Pins Setting Function J1 1-2 Shorted Enable Ext. Cache,Def. Open Disable Ext. Cache J2 1-2 Shorted 33MHz 2-3 Shorted 25MHz Factory use. Default settings: J13:2-3, J14:1-2, J15:1-2, J16:2-3. Note: Jumpers J13 and J14 on Revisions P3 and higher ################################################################# Jumper setting for MNE486 System Board J3 through J12 (J3-J12) define the total amount of on-board memory. Jumper 1MB 2MB 4MB 8MB 16MB 32MB J3 OPEN 1-2 OPEN 1-2 OPEN 1-2 J4 OPEN 1-2 OPEN 1-2 OPEN 1-2 J5 OPEN 1-2 OPEN 1-2 OPEN 1-2 J6 OPEN 1-2 OPEN 1-2 OPEN 1-2 J7 OPEN OPEN OPEN OPEN 2-3 1-2 J8 2-3 1-2 1-2 1-2 1-2 1-2 J9 OPEN OPEN 2-3 1-2 1-2 1-2 J10 1-2 1-2 1-2 2-3 2-3 2-3 J11 1-2 1-2 1-2 1-2 1-2 2-3 J12 1-2 2-3 2-3 2-3 2-3 2-3 J17 COM port Interrupt Select The setting of this jumper determines which interrupt request (IRQ) the COM port will use. If you change the interrupt, make sure you set the appropriate COM port designation in the CMOS setup. Setting Interrupt Port COM port Designation* 1,2 IRQ4 3F8-3FF COM1* 2,3 IRQ3 2F8-2FF COM2* * Set by running the CMOS Setup only. J18 LPT Port Interrupt Select The setting of this jumper determins which interrupt request (IRQ) the LPT port will use. If you change the interrupt, make sure you set the appropriate LPT port designation in the CMOS Setup. Setting Interrupt Port LPT Port Designation* 1,2 IRQ5 278-37f LPT2* 2,3 IRQ7 278-27F LPT1* * Set by running the CMOS Setup only. J19 Enable/Disable I/O Sub-system 1,2 = I/O Sub-system Enabled 2,3 = I/O Sub-system Disabled Determines whether the entire I/O sub-system (IDE,floppy,mouse,serial, Parallel connectors) is enabled or disabled. This jumper setting is for diagnostic purposes only and should not be changed from the default setting. Any I/O functions can be disabled through the CMOS Setup if required. The setting given are for reference only. J20 IDE Factory Diagnostics 1,2=Default Setting, do not change. No jumper=Factory diagnostics. The jumper is set at the factory and is used for IDE diagnostics. This jumper should not be changed from the default setting. The setting given are for reference only. ############################################################### Jumper setting for MVE486 System board Local Bus enable and disable: ENABLE DISABLE J9 2-3 1-2 J10 2-3 1-2 J14 2-3 1-2 J15 2-3 1-2 The following Local Bus adapters have been tasted and are recommended: Video Cards SCSI Ride Controller Eagle Mountain S3 card Alph Research Corp - DC-680 IDE Caching Stealth Diamond S3 card Ultrastor SCSI contoller AIR S3 card/UTD S3 card Promise IDE contoller Witek Power 9000 DEFAULT SETTINGS J4 OPEN J30 OPEN J2 2-3 CLOSE J3 1-2 CLOSE J8 CLOSE J1 OPEN J16 CLOSE CPU TYPE J7 J13 CPUs 1-2 CLOSE/3-4 CLOSE 2-3 CLOSE 486DX/486DX2 1-2 CLOSE/3-4 CLOSE 1-2 CLOSE 487SX 2-3 CLOSE OPEN 486SX SPEED J5 J28 J26 J6 J27 J29 J25 1-2 OPEN OPEN 1-2 CLOSE OPEN OPEN 20MHz 2-3 OPEN OPEN 1-2 CLOSE CLOSE CLOSE 25MHz DX25/DX2-50 2-3 OPEN CLOSE 1-2 OPEN CLOSE OPEN 33MHz DX33/DX2-66 ########################################################## MVI 486 JUMPER DEFINITION CPU SPEED JP8 JP9 JP10 JP11 JP13 2-3 2-3 1-2 OPEN 2-3 16MHZ 2-3 1-2 1-2 OPEN 2-3 20MHZ 1-2 2-3 2-3 OPEN 2-3 25MHZ 1-2 1-2 2-3 OPEN 2-3 33MHZ 1-2 2-3 1-2 CLOSED 1-2 50MHZ CPU TYPE JP25 JP26 JP27 1-2 1-2 1-2 486DX OPEN 2-3 OPEN 486SX 2-3 1-2 1-2 487SX PRINTER DIRECTION JP28 JP29 ON ON STANDARD PARALLEL PORT DEFULT OFF OFF BIDIRECTIONAL PORT CACHE SIZE JP14 JP15 JP16 JP17 JP18 JP19 2-3 2-3 OPEN OPEN OPEN OPEN 64K CACHE 1-2 1-2 CLOSE CLOSE OPEN OPEN 128K CACHE 2-3 2-3 CLOSE CLOSE CLOSE CLOSE 256K CACHE CMOS JUMPER JP30 1-2 CLEAR CMOS 2-3 NORMAL OPERATION FACTORY DEFAULT JUMPERS JP11 JP12 JP13 JP20 JP21 JP22 JP23 JP24 OPEN CLOSE 2-3 2-3 OPEN CLOSE CLOSE OPEN ####################################################################### Mylex MSI/MDI486 JP1: CLOSED=COLOR, OPEN=MONO JP21: OPEN=External battery, 2-3=Onboard battery, 1-2=Reset CMOS. JP19: 2-3= Printer IRQ7, 1-2=Printer IRQ5 JP20: 1-2=Enable All I/O, 2-3=Disable All I/O 486SX 487SX 486DX JP8 OPEN 2-3 1-2 JP9 2-3 1-2 1-2 JP10 OPEN CLOSED CLOSED 20MHz 25MHz 33MHz JP14 2-3 2-3 2-3 JP15 1-2 2-3 1-2 JP15 2-3 1-2 1-2 JP17 1-2 2-3 2-3 Cache Memory Size 64KB 256KB JP11 OPEN CLOSED JP12 OPEN CLOSED JP13 OPEN OPEN JP7 OPEN CLOSED ################################################################## #### END