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486MIS System Board User's Manual Page 7

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Summary of Contents for 486MIS

Page 1: ...used or reproduced in any forms or by any means or stored in a database or retrieval system without prior written permission TRADEMARKS Intel is a registered trademark of Intel Corporation IBM is a re...

Page 2: ...urbo Switch Connector 16 Turbo LED Connector 16 Parallel Port Connector 17 Serial Port 1 2 Connectors 17 Floppy Interface Connector 18 IDE Interface Connector 19 Harddisk Activity LED Connector 19 SCS...

Page 3: ...h scsifmt 41 Partitioning High Level Formatting with afdisk 42 Viewing Device Information with showscsi 44 Playing Audio CDs with cdplayer 46 CHAPTER 6 OS 2 v2 1 DRIVERS 49 INSTALLATION 49 COMMAND LIN...

Page 4: ...ss including CPU Intel i486DX i486DX2 i486SX i487SX P24T and Overdrives Cache Memory Supports 64K 128K 256K 512K cache memory Main Memory Supports 512Kx36 1Mx36 2Mx36 4Mx36 and 8Mx36 72 pin SIMM modul...

Page 5: ...Normal selections for fast or slow IDE hard drives Plug and play replaces any non intelligent IDE controller without reformatting the disk drives Software drivers are not required for all operating s...

Page 6: ...ve proper operation caution should be taken when connecting these components SYSTEM BOARD JUMPERS Jumpers are used to select between various operating modes A jumper switch consists of two three or fo...

Page 7: ...FIGURE 486MIS System Board User s Manual Page 7...

Page 8: ...RT SHORT 1 2 25MHz SHORT OPEN SHORT 1 2 33MHz SHORT SHORT OPEN 1 2 40MHz OPEN OPEN SHORT 2 3 50MHz OPEN SHORT OPEN 2 3 CPU Type Jumpers CPU Type JP1 JP2 JP18 486DX 486DX2 1 2 1 2 3 4 1 2 487SX ODP486S...

Page 9: ...ocations Cache Size Tag RAM U15 Data Bank 0 U20 U21 U22 U23 Data Bank 1 U24 U25 U26 U27 64KB 8Kx8 8Kx8 8Kx8 128KB 32Kx8 32Kx8 None 256KB 32Kx8 32Kx8 32Kx8 512KB 32Kx8 128Kx8 None VESA Local Bus Jumper...

Page 10: ...mper JP32 and W1 3 Short jumper JP32 and disable SCSI BIOS through jumper block W1 as shown below I1 I2 B1 B2 E 4 Turn power ON 5 Wait for the system to finish one self test loop then turn power OFF a...

Page 11: ...below with shading areas represent jumper caps I1 I2 B1 B2 E I1 I2 Use these two pin pairs to select interrupt channel To boot from DOS IRQ11 must be selected IRQ11 IRQ10 I1 I2 I1 I2 B1 B2 Use these t...

Page 12: ...ecovery Time JP29 JP30 300 nanosecond Default SHORT SHORT Default 240 nanosecond OPEN SHORT 180 nanosecond SHORT OPEN 120 nanosecond OPEN OPEN Parallel Port Jumper Parallel Port JP22 Select interrupt...

Page 13: ...six wire connectors two of the wires on each connector are black Align the two six wire connectors so that the two black wires on each connector are in the middle as shown below Pin Connector PS2 Con...

Page 14: ...Fused VDC Power LED and Keyboard Lock Connector The Power LED and Keyboard Lock connector KLOCK is 5 pin keyed BERG strip It is used to connect 5 VDC power to the power indicator LED at the front pan...

Page 15: ...ion 1 Speaker Data Out 2 Key No Connection 3 Ground 4 5 VDC Reset Connector The system RESET connector RESET is a 2 pin BERG strip It is used to connect the push button reset switch located on the fro...

Page 16: ...eds the ISA expansion bus timing compatibility is still preserved Pin Description 1 Turbo Speed 2 Ground Notes System runs at Turbo speed when pins 1 and 2 are shorted System runs at Slow speed when p...

Page 17: ...3 SLCT 26 No Connection Serial Port 1 2 Connectors The serial port 1 and 2 connectors are the 2x5 pin male headers COM1 and COM2 Users should use a flex cable with a 9 or 25 pin male D subminiature re...

Page 18: ...Description Pin Description 2 RPM 1 Ground 4 No Connection 3 Ground 6 No Connection 5 Ground 8 Index 7 Ground 10 Motor 1 9 Ground 12 Drive 2 11 Ground 14 Drive 1 13 Ground 16 Motor 2 15 Ground 18 Dir...

Page 19: ...12 11 Data 3 14 Data 13 13 Data 2 16 Data 14 15 Data 1 18 Data 15 17 Data 0 20 No Connection 19 Ground 22 Ground 21 No Connection 24 Ground 23 I O Write 26 Ground 25 I O Read 28 ALE 27 No Connection 3...

Page 20: ...6 Data 2 5 Ground 8 Data 3 7 Ground 10 Data 4 9 Ground 12 Data 5 11 Ground 14 Data 6 13 Ground 16 Data 7 15 Ground 18 CDP 17 Ground 20 Ground 19 Ground 22 Ground 21 Ground 24 Ground 23 Ground 26 SCSI...

Page 21: ...rt below shows the possible combinations Total Memory SIMM1 SIMM2 SIMM3 2MB 512Kx36 None None 4MB 512Kx36 None 512Kx36 6MB 512Kx36 None 1Mx36 4MB 1Mx36 None None 8MB 1Mx36 1Mx36 None 12MB 1Mx36 1Mx36...

Page 22: ...a wrist or ankle strap 1 The SIMM module should face to the right with pin 72 next to the power supply connectors 2 Insert the SIMM at a 45 degree angle tilted towards ISA slots 3 Gently push the SIMM...

Page 23: ...to work Note how all cables are connected prior to disconnection 4 Remove the computer s cover 5 Choose an unused VL Bus slot 6 Setting the VL Bus card according to its user s manual 7 Holding the ca...

Page 24: ...lter may be needed for areas with noisy transmission A 2 inch 8 Ohm speaker to provide sound capability A 2 position switch with a 2 pin connector for speed function A push button switch with 2 pin co...

Page 25: ...SCSI bus terminators RT1 RT2 and RT3 located next to the SCSI connector must be removed SCSI Default Setting The 486MIS SCSI port is shipped with the following factory default settings SCSI Disconnect...

Page 26: ...o IDE hard drive and one SCSI hard drive Install IDE hard drives as drive C and drive D During system BIOS Setup enter IDE drive types for drive C and D Run the Install program in the DOS WINDOWS DRIV...

Page 27: ...this condition and prompts user to go through the SETUP section This chapter explains how to use the BIOS SETUP program and make the appropriate entries Some of the parameters are already factory pres...

Page 28: ...nd press Enter Modify the system parameters to reflect the options installed in the system 5 Press Esc at anytime to return to the Main Menu 6 In the Main Menu choose WRITE TO CMOS AND EXIT to save yo...

Page 29: ...one of the 46 pre defined types simply scroll down to select type 47 and enter the appropriate values for cylinders heads WPcom LZone and sectors Size is automatically determined by the other entries...

Page 30: ...ound during memory test Memory Parity Error Check Default is Enabled to test for transmission errors in data read from memory Hard Disk Type 47 RAM Area The BIOS uses this area to store extended infor...

Page 31: ...he pass word prompt appears Setup If there is a password set the Password prompt only appears if you attempt to enter the BIOS Setup program If there is no set password the Password Checking Option is...

Page 32: ...DRAM Speed DRAM Write CAS Pulse DRAM Write Cycle Select these options according to table below CPU Clock Speed DRAM Speed DRAM Write CAS Pulse DRAM Write Cycle 20MHz or 25MHz Fastest 1T 0 W S 33MHz S...

Page 33: ...these options CPU Clock Speed Local Bus Ready Latch Local Bus Device 20MHz TRANS 2T 25MHz TRANS 2T 33MHz SYNC 2T 40MHz SYNC 2T 50MHz SYNC 2T or 3T AUTO CONFIGURATION WITH BIOS DEFAULTS Use this optio...

Page 34: ...the following message Enter Current Password Enter the current password default is AMI and follow the screen instructions to change the password 4 After you correctly enter the current password the f...

Page 35: ...ith Auto Interleave you need not speculate about the value of the interleave factor while entering the parameters for format This function determines the optimum interleave factor for the best disk pe...

Page 36: ...on your PC 2 Change to the drive letter where your diskette is inserted either A or B 3 Type install to start the Install program 4 Follow the simple instructions that appear on the screen In most cas...

Page 37: ...receded by a forward slash and should be separated from other options by at least one blank space aspi2dos command line options are divided into Group 1 and Group 2 Group 1 options are mandatory for 4...

Page 38: ...d by default on the 486MIS board because data moves faster on the SCSI bus in synchronous mode You may need to disable synchronous negotiation if you have a CD ROM drive that does not support it If yo...

Page 39: ...tells aspi2dos to wait 250 milliseconds when it receives a busy status from a SCSI target device and then try to access the device again It keeps trying until the SCSI device becomes available The b...

Page 40: ...le LUNs associated with each SCSI target ID If this option is not entered aspi2dos will only recognize LUN 0 for each SCSI target ID You only need to use L if your system includes a disk device such I...

Page 41: ...ices are reliable before you store data on them You can use afdisk to partition SCSI disk devices and to perform high level formatting afdisk allows you to add or delete DOS partitions or to delete a...

Page 42: ...ished with the program Example scsifmt mono This option displays the currently supported command line options Example scsifmt Running scsifmt Before you start scsifmt be sure all disk devices you want...

Page 43: ...disk to be bootable the DOS version used must be 3 3 or later We recommend that you do a DOS high level format using format on all media partitioned with afdisk before you use it afdisk Command Line O...

Page 44: ...lows you to view information about all the SCSI devices installed on your system This utility is copied to your PCs fixed disk when you run the DOS WINDOWS DRIVERS Install program Installing showscsi...

Page 45: ...del number of the adapter the ASPI manager drivers it uses and the SCSI programming interface it uses Disk Devices The first screen lists vendor and model number information device type storage capaci...

Page 46: ...r DOS environment to run with the Microsoft CD ROM Extensions mscdex and you must install a CD ROM driver such as aspicd The DOS WINDOWS DRIVERS install program takes care of this automatically Here i...

Page 47: ...display area If a command to the drive fails the message Drive Fault appears in the time display area As you select each function the Status indicator shows the current disc status Whenever you insert...

Page 48: ...new track s starting location Audio Mode Allows you to select either Stereo Left Channel Right Channel or Muted play CD Time Mode _ Allows you to change the time display to Elapsed CD Time EIapsed Tra...

Page 49: ...ette 3 Begin OS 2 installation by inserting the Installation Diskette into drive A and restarting the system When prompted to insert Diskette 1 insert the copy that you modified Exceptional Case for T...

Page 50: ...d this should be used for most systems BON t allows the bus on time to be set to a value between 1 and 15 microseconds The default value for OS 2 2 x is 7 microseconds and this value should be used fo...

Page 51: ...A Use the LOAD command to install the driver The correct syntax to load the NetWare v3 11 driver is load a net386 311 aha1510 options The correct syntax to load the NetWare v3 12 driver is load a net3...

Page 52: ...channel id 0 7 Always select 7 sync on off This option is used to enable or disable SCSI synchronous negotiation on the 486MIS SCSI port If not specified the default value of on will be used and the...

Page 53: ...s are specified in milliseconds ms If not specified the default value of 0 will be used when 0 ms is selected a value of 256 ms is actually used Use this option with caution since too low a value may...

Page 54: ...eds as shown below Turbo speed Cache memory and 32 bit DRAM transfer mode are ON Set by pressing key once while holding Ctrl Alt and Shift keys Slow speed Cache memory and 32 bit DRAM transfer mode ar...

Page 55: ...5 300 732 17 30MB 21 733 7 300 732 17 43MB 22 733 5 300 733 17 30MB 23 306 4 0 336 17 10MB 24 925 7 0 925 17 54MB 25 925 9 65535 925 17 69MB 26 754 7 754 754 17 44MB 27 754 11 65535 754 17 69MB 28 69...

Page 56: ...FF 64K I O ROM Not Cached 000E0000 000EFFFF 64K Extended BIOS Not Cached 000F0000 000FFFFF 64K On Board BIOS ROM Cached 00100000 00BFFFFF System Memory RAM Cached 00C00000 00FFFFFF System Memory RAM N...

Page 57: ...Port 2 2B0 2DF Alternate Enhanced Graphic Adapter 2E1 GPIB Adapter 0 2E2 2E3 Data Acquisition Adapter 0 2F8 2FF Serial Port 2 RS 232 C 300 31F Prototype Card 360 363 PC Network Low Address 364 367 Res...

Page 58: ...pter 2 EE2 EE3 Data Acquisition Adapter 3 1390 1393 Cluster Adapter 3 22E1 GPIB Adapter 1 2390 2393 Cluster Adapter 4 42E1 GPIB Adapter 2 62E1 GPIB Adapter 3 82E1 GPIB Adapter 4 Page 58 486MIS System...

Page 59: ...rrupts from IRQ8 to IRQ15 IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Parallel Port 2 IRQ6 Diskette Controller IRQ7 Parallel Port 1 IRQ8 Real Time Clock IRQ9 Expansion Bus Pin IRQ10 Expansion Bus Pin I...

Page 60: ...5 Amp maximum Ripple Noise 100mV maximum TEMPERATURE RANGE Operating 50o to 104o Fahrenheit 10o to 40o Celsius Non Operating 50o to 104o Fahrenheit 10o to 40o Celsius Shipping 22o to 140o Fahrenheit...

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