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Connectors

Connectors and pin assignments

Connectors and pin assignments

The MAE486 and MBE486 system boards 

four connectors. Table 3-1 summarizes t.

functions of these connectors.

Note: No external battery is required on the sys-

tem boards. The basic EISA SETUP and EISA

databases are stored in nonvolatile 

 mod-

ules located on the system boards,

Table 

3-1. 

System board connectors

Function

Turbo light

Connector Reference

MAE466

P13

Refer to

Page

3-5

Keyboard

lock/power

P12

5200

3-6

Beset

Speaker

P14

5222

5204

3-4

Installation and Operation Guide

Содержание MAE486

Страница 1: ......

Страница 2: ...tial damages resulting from the furnishing performance or use of this material This document contains proprietary information protected by copyright All rights are reserved No part of this document ma...

Страница 3: ...its for a Class Acomputing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment...

Страница 4: ...I 3 Chapter 1 Product overview MAE486 features Microprocessor BUS architecture On board memory Memory cache Shadow RAM Nonvolatile RAM Math coprocessor Jumpers Connectors MBE486 features Microprocess...

Страница 5: ...wer light connector Reset switch connector Speaker connector 3 l 3 4 3 5 3 6 3 7 3 8 Chapter 4 Installation Building a complete system 4 l Precautions 4 2 Handling the system board 4 2 Installing the...

Страница 6: ...s Appendix A Specifications Appendix B Bank and bit locations Memory organization B l Diagnostic information B l SIMM locations B 2 Appendix C Quick reference Warrantv and service Installation and Ope...

Страница 7: ...etal of the system board and may damage the components Avoid touching any of the system board metal leads Before touching the system board or its components all of the electrostatic charges must be di...

Страница 8: ...d con tact your dealer immediately Please complete the warranty registration car and return it to Mylex Corporation This will protect your system board if it ever needs service What else YOU need You...

Страница 9: ...ide any steps you are to perform are prefaced by an arrow Any result that occurs will appear in italics after the step For example l Press CTRL ALT DEL The system resets Contents This Installation and...

Страница 10: ...a system chassis Appendix A Specifications lists specifka tions for the MAE486 and MBE486 system boards Appendix 8 Bank and bit locations shows the memory organization as laid out on the system boards...

Страница 11: ...ture The MAE486 supports the EISA specification The MAE486 provides two files of nonvolatile RAM A standard 128 byte RAM in the Dallas DS1287 part provides standard SETUP informa tion found in all ISA...

Страница 12: ...is reserved for shadow RAM purposes regardless of whether this feature is used For lMB 2MB and 4MB configurations the total amount memory available to the user will be the actu amount of memory insta...

Страница 13: ...set perma nently at the factory For more information refer to Chapter 2 Connectors The MAE486 provides a connector for the turbo light keyboard lock power reset and speaker No external battery is requ...

Страница 14: ...our SIMM socket which can accommodate standard g bit singk in line memory modules SIMMs Possible memory configurations using combinations of 256Kl3 1024Kl3 and 4096KB DRAM memory modules include 2 8 a...

Страница 15: ...installed in the system This memory is programmed by the EISA con figuration utility and is used by the EISA Power On Self Test POST routine of the BIOS If the configuration memory has not been pro gr...

Страница 16: ...a computer chassis set all on board jumpers to the configuration you desire Note If you have the MBE486 system board you can skip this chapter and proceed to Chapter 3 The MBE486 system board has no u...

Страница 17: ...ons J15 JZ Figure 2 1 Jumper locations on the MAE486 system board Note Earlier revision boards have different locations for option jumpers How ever the number assigned to each jumper will be the same...

Страница 18: ...s tem board their function and the page to turn to for more information about them Table 2 1 MAE486 jumper summary Function l 2 Enable external cache default OPEN Disable external cache l 2 25MHz oper...

Страница 19: ...The default setting l 2 enables the external cache If you use this setting the power on se test POST routine in the BIOS or othc software must also enable the external cache for the cache to operate...

Страница 20: ...This jumper is intended to be used only at the factory On board system memory 53 through 512 Jumpers 53 through 512 define the amount of on board memory installed on the MAE486 sys tem board as shown...

Страница 21: ...the MAE486 Jumper functions SIMM sockets U96 through U103 Sockets U96 through U103 accept SIMM mem ory modules For information on installing SIMI modules refer to Chapter 3 2 6 Installation and Opera...

Страница 22: ...The MAE486 and MBE486 system boards have several connectors Before you install these sys tem boards into a computer chassis described in Chapter 41 locate all connectors to ensure proper connection to...

Страница 23: ...Connectors Connector locations Lo El 7 II i IL 161 r 1 Figure 3 1 Connector locations on the MAE486 system board 3 2 Installation and Operation Guide...

Страница 24: ...Connector locations Connectors Jx 2 JZM 1 JZOS 00 JZM III El Figure 3 2 Connector locations on the MBE486 system board Installation and Operation Guide 3 3...

Страница 25: ...te No external battery is required on the sys tem boards The basic EISA SETUP and EISA databases are stored in nonvolatile BAM mod ules located on the system boards Table 3 1 System board connectors F...

Страница 26: ...t connec tor Pl3 for the MAE486 or 5205 for the MBE486 The LED is ON when the CPU is operating at the higher clock speed The LED is OFF when the CPU is operating at the lower speed Table 3 2 shows the...

Страница 27: ...D at COI nectar PI2 for the MAE486 or 5200 for the MBE486 External resistors to limit the power LED cur rent are not required Table 3 3 shows the pin assignments for this connector Table 3 3 Keyboard...

Страница 28: ...connector P14 for the MAE4861 or 5222 for the MBE486 If you short pin 1 to pin 2 on this connector the system will go through a cold boot power on reset operation Table 3 4 shows the pin assignments...

Страница 29: ...onnector A standard speaker connection is provided connector Pll for the MBE486 Table 3 5 shows the connector MAE486 or 5204 for th pin assignments for this Table 3 5 Speaker connector pin assignments...

Страница 30: ...complete system using the MAE486 or MBE486 system board A standard chassis The MAE486 and MBE486 system boards are 13 8 inches long by 12 inches wide This size allows the system boards to fit into an...

Страница 31: ...amage from electrostatic charge The charge that every human body carries will discharge when you touch the metal of the system board and may damage the components Therefore dis charge all of the elect...

Страница 32: ...S chips should be 1eR on an antistatic foam mat until they are installed Installing system board components The following sections describe how to install the following components onto the system boar...

Страница 33: ...Installation Installing system bard components 0 BED 1 a l zL Y q ILII I iii Em Figure 4 1 MAE488 system board layout 4 4 Installation and Operation Guide...

Страница 34: ...Installing system board components Installation Figure 4 2 MBE486 system board layout Installation and Operation Guide 4 5...

Страница 35: ...d EISA BIOS 486 MAE rev xx OR For the MBE486 verify that the BIOS chip is marked EISA BIOS 486 MBE rev xx k Locate the appropriate system board socket where the chip will be installed l For the MAE486...

Страница 36: ...board Locate socket US0 where the chip will be in stalled see Figure 4 l Make sure pin 1 on the chip corresponds to pin 1 of the socket by aligning the notch on the chip with the silkscreened notch on...

Страница 37: ...following sections MAE486 memory configurations The MAE486 system board can be set up fp single bank or double bank operation l In single bank operation SIMMs are installed in only the first bank of m...

Страница 38: ...r access time Memory installed on the MAE486 and MBE486 system boards must have an access time of 80ns or faster with fast page mode support 20ns CAS access time or faster Note Do not use memory with...

Страница 39: ...lled in the system Note On the MAE486 banks U96 through U99 must be filled before the next bank is used l Make sure the SIMM faces the front of the chassis away from the IU connector Align the SIMM wi...

Страница 40: ...rn on the system The Power On Self Test POST should report the correct amount of memory If the POST does not show the correct amount of on board memory for the MAE466 system board check the switch set...

Страница 41: ...Installation Installing system board components Table 4 1 MAE486 Jumper settings for on board memory 32M l 2 l 2 l 2 l 2 l 2 l 2 l 2 _____ 2 3 2 3 2 3 4 12 Installation and Operation Guide...

Страница 42: ...ake sure the location of the keyboard con nector on the system board is aligned with respect to the access hole at the rear of the chassis If the keyboard connector and or the mounting holes do not fi...

Страница 43: ...Power supply Speaker Keyboard lock power LED front panel dis play Reset Turbo LED Install the desired peripheral boards with the edge connectors facing down toward the slot on the system board Install...

Страница 44: ...em board The SETUP utility must be used when the system is first turned on The manual for the BIOS used on the MAE486 and MBE486 system boards provides important information about the execution and op...

Страница 45: ...es using 256KB 10 user configur MBE486 no on board jumpers or switches re quired the MBE486 automatically senses the presence of the memory installed Turbo light keyboard lock power reset and speaker...

Страница 46: ...it 16 bit and bit peripheral boards Power requirements 5Volts 9 OA typical 5Volts O OA typical 12Volts O OA typical 12Volts O OA typical Operating environment Temperature Humidity 32 F to 131 F O C to...

Страница 47: ...Dimensions Specifications 12 00 r6 00 I i 00156 m 1 L 00 195 L 60156 Figure A l System board dimensions Installation and Operation Guide A 3...

Страница 48: ...ules The component number and the bit numbers for each SIMM module are also shown Diagnostic information If a diagnostic test shows a memory error the problem may be isolated to a particular SIMM modu...

Страница 49: ...mem ory is accessed by linear address The chip corresponding to a particular location may be determined from the address in KB and bit number The memory mapping for the system boards depends on the t...

Страница 50: ...NJ961 UW U98 W99 Double Bank Even Addresses II 1 MB x 9 0 8192KB Bit O 7 Blt8 15 Blt 16 23 Blt 24 31 Bank 0 Bank 0 Bank 0 Bank 0 NJ NJ971 U98 KJ99 Bank 0 Bank 0 Bank 0 Bank 0 W96 KJ97 NJ981 W99 Bank 0...

Страница 51: ...k 1 Bank 1 Bank 1 U120 WO80 U121 UO81 Bank 0 Bank 0 Bank 0 Bank 0 WllO Will UO70 UO71 Bank 1 Bank 1 Bank 1 Bank 1 U120 UO80 U121 WO81 To use these tables w Start on the left side of the table and choo...

Страница 52: ...n the reported address you can isolate the faulty SIMM with the corresponding column in Table B l or B 2 Note Do not remove a SIMM module without first turning off the system removing the system s pow...

Страница 53: ...ides the following quick refer ence information A layout of the MAE486 and MBE486 system boards A summary of the MAE486 s jumper settings A summarv of the connectors on the MAE486 and MBE486 system bo...

Страница 54: ...Quick reference Figure C l Layout of the MAE486 system board c 2 Installation and Operation Guide...

Страница 55: ...Quick reference L Figure C 2 Layout of the MBE488 system board 1 Installation and Operation Guide C 3...

Страница 56: ...e Table C 2 __ Accept SIMM memory modules 2 4 2 4 2 5 2 6 Table C 2 Jumper settings for the MAE486 on board memory Jumper 1MB 2MB 4MB 8MB 16MB 32MB 53 OPEN l 2 OPEN l 2 OPEN l 2 54 OPEN l 2 OPEN l 2 O...

Страница 57: ...eyboard lock power LED connector pin assignments ___ Pin Function __ __ _ ___ __ ___ _ _ ___ __ 1 LED power 5 Volts DC 2 Not used key _ 3 Ground __ _ ___ ____ 4 Keyboard lock 5 Ground I his connector...

Страница 58: ...in assignments c This connector is labeled P14 on the MAE486 and 5222 on the MBE486 Table C 6 Speaker connector pin assignments ker drivCFYnCtion This connector is labeled Pll on the MAE486 and 5204 o...

Страница 59: ...reset switch 3 7 speaker 3 8 turbo LED 3 5 Connector locations 3 l Connectors 3 4 MAE486 l 3 MBE486 l 5 D Diagnostic information B l Dimensions A 2 A 3 E Expansion A 2 F Features MAE486 l 1 MBE486 l 4...

Страница 60: ...rview 1 1 P Pin assignments 3 4 keyboard lock power LED 3 6 reset switch 3 7 speaker 3 8 turbo LED connector 3 5 Power requirements A 2 Power supply 4 3 Precautions handling system board 4 2 installin...

Страница 61: ...jumper settings 2 3 System board components See Components vstem board installation 4 13 T Turbo LED connector 3 5 U Uninstalled components 4 3 W Weitek math coprocessor 4 7 Installation and Operatio...

Страница 62: ...acement of any products which prove to be defective under the terms of this warranty subject to the provisions and specific exclusions listed herein At Mylex Corporation s option Mylex Corporation may...

Страница 63: ...47650 WESTINGHOUSE GRIVE FREMONT CALIFORNIA 94539 415 6S3 4800 415 G 7857 F A X...

Страница 64: ...stigation Anal note Different verslons of the Phoenix BIOS may produce dif ferent results on the Landmark SPEED test in the low speed mode of the MAE466 The Revision 1 04 and earlier versions resulted...

Страница 65: ...2bit boards such as the Mylex LNE390 and ISA boards including ISA bus master boards Also note that older 8 bit boards that have an apron will not fit in the EISA connector therefore they cannot be use...

Страница 66: ...masters Rev 4A C D PAL change AEU200 1A 1B improved UNIX reliability and compatibility Rev 4A D E PAL change AEU42 1B 1C improve com patibility with ISA bus master in single bank memory configuration...

Страница 67: ...lem with Phoenix BIOS 1 Requires Rev 48 l D or later to run single bank of memory 1 4 or 16MB 2 Adaptec 164x and 2322 have problems formatting floppy disks Re quires Phoenix BIOS fix in process 3 For...

Страница 68: ...T No problems reported Clock and calendar test fails although working properly Need Phoenix BIOS 2 0 No problems reported No problems reported 1 Fails serial port loop back test due to speed of MAE48...

Страница 69: ...CONFIGURATION ERROR SLOT X error message during POST where X is the slot in which the DCE376 is installed The file MLX0020 CFG on the DOS Drtver diskette should be copied onto the configuration utilit...

Страница 70: ...ollowing flier are contalmd on the MCS EISA Conflguratlon dlakette IMLXOOiO CFG WAX0020 CFG IMLXOO30 CFG lMLXCO40 CFG IMLXFEOl CFG IMLXFFOl CFG CF EXE LOGO EXE SD EXE SD_UTlL EXE SYSTEM SCI 2674 4928...

Страница 71: ...ing for J2 has been reversed The proper setting is l 2 for 33MHz operation and 2 3 for 25MHz operation default Page 2 4 The jumper setting for J2 has been reversed The proper setting is l 2 for 33MHz...

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