MICRONICS MOTHERBOARD IDENTIFICATION AND CONFIGURATION INFORMATION
06/06/1998
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This is
an independent and UNOFFICIAL Micronics support page and is not an
endorsement of products manufactured by Micronics Computers Inc. This page
originated back in '95 as a source of information for 386/486 Micronics and
Gateway2000 products before Micronics had a WEB presence. If you don't find
your info here check their site especially for new product information as I
will not be adding any new Micronics products to this page. Micronics
Home Page Official Micronics Web Site Contact Micronics List of domestic and International telephone #'s and mailing addresses. |
Click here to E-mail me.
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This document contains information downloaded from the Micronics BBS regarding motherboard identification and configuration information. Older Micronics motherboards may not have a part number stenciled on the board for identification. Use the identification characteristics in the first paragraph of the description to ID the board. |
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Micronics
uses a part number scheme of 09-xxxxx-yy for their motherboards. 09-xxxxx
is their part number yy is
the shipping configuration of the board. (IE a
MB with an AT keyboard conn and a MB with a PS2 keyboard conn may have the same
part number and a different -yy configuration number) 08-xxxxx is the artwork number of the PCB |
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Micronics recommendation for the mixing of GOLD/TIN SIMM's and sockets |
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Micronics recommends matching GOLD SIMMS with gold sockets and TIN SIMMS with silver sockets for long term reliability of their system boards. |
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Click here to go to AMP Inc's technical paper on Tin vs Gold contacts. This a VERY technical paper but does a good job of describing just what causes the problem. |
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Micronics SIMM size dependencies |
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Not all Micronics MB's support 2MB, 8MB and 32MB SIMM's. These SIMM types are "dual density" SIMM's that are effectively two 1MB, 4MB or 16MB banks mounted on one SIMM PCB. Memory controllers MUST support the dual RAS/CAS addressing required by dual density SIMM's in order to handle them correctly. Check the memory matrix in the manual for the SIMM sizes supported by your motherboard. If 2/8/32 MB SIMM's are not listed in the matrix the MB does not support dual RAS/CAS and the SIMM will only be sized as 1/2 their capacity if detected at all. A rule of thumb is that a dual density SIMM will have chips mounted on both sides of the SIMM PCB. |
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Processor UPGRADE Report |
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I have requested reports from users who have successfully upgraded Micronics MB's to DX4, POD63/83, 5x86 CPU's. When these reports are received the appropriate MB manual has been updated. Any special considerations such as BIOS changes, CMOS settings, voltage regulator requirement are included when they are reported. This report appears on the first page of the manual. |
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If you have successfully upgraded a Micronics MB to a newer CPU please Email me with the information and I will add it to the appropriate manual. |
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Micronics 486
MB upgrade FAQ Ben's document on using 5V and 3V processors in Micronics' MB's. Click here to Email Ben for upgrade processors, cache chips or new Micronics motherboards. Email Dennis Lou for info on upgrading the LX30WB motherboard for DX4 and AMD 5x86-133 CPU's. |
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BIOS upgrade download site |
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This is C/net's download site for BIOS upgrades. Many GW2k BIOS's here, laptops, 486, Pentium as well as device drivers. Gateway 2000's download site for hardware drivers and BIOS DL's. |
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Micronics/Diamond Multimedia FTP site. |
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This is Micronics/Diamond Multimedia's FTP site. Snoop around here for manuals and assorted documentation for "legacy" Micronics and Diamond Multimedia products, Motherboards, Memory cards, Video cards, MAC etc. Also some new product info as well. http://www.diamondmm.com/default.asp?menu=support&submenu=choose&family_name=Legacy_Motherboards&subitem=contact_info (German site) ftp://ftp.chips.com.au/PUB/DRIVERS/DIAMONDMM/ (Australian site) |
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EISA motherboard configuration utility information |
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Micronics does not make their EISA configuration utility available for download on their web site. However Gateway2000 does have the utility available for DL from their web site. Click here for instructions on making your own EISA configuration diskette. |
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Here is a link to the Micronics EISA configuration utilities on Micron's tech support DL page. Here is a link to the AMI EISA configuration utility dated 07/14/97 from Expert computer's page. |
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NOTE! I am not aware of any differences between Micron, Gateway2000, and OEM Micronics MB's but be aware that there could be some subtle variations in BIOS's or MB functions. Use these EISA configuration utilities at your own risk as I am just the channeler of this information.. |
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Gateway2000 Motherboard info |
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GATEWAY2000 primarily used Micronics system boards in their 386 and 486 systems except for the ALL-IN-ONE low profile systems which used an Anigma motherboard. This document covers their product line from the later 386-25/33 thru the 80486 product line. Confirm the part number stenciled on the board to be sure you are using the correct manual. The Gateway2000 part number such as DXLB486 was a "pseudo" number created by Gateway2000 for their assembly process and it is not a Micronics part number. ANOTHER CAUTION!! The JX30 MB family (JX30, JX30G, JX30GC, JX30WB) used by Gateway2000 began with the standard AT keyboard and serial mouse. GW2K then modified their caseworks and motherboard to accommodate a PS/2 mouse and PS/2 keyboard at some point in 1994(?). The standard Micronics JX30xx series motherboards use an AT DIN Style keyboard and a serial port for the mouse. The Micronics OEM board and GW2K board are not completely interchangeable. If your system has a PS/2 kyb/mou, the standard Micronics JX30xx series MB will not fit your caseworks. (SEE -yy shipping configuration info above) Gateway 2000 Anigma MB FAQ. These are the Anigma MB's used in many of the GW2k low profile systems This FAQ is the intellectual property of Ben Myers of Spirit of Performance |
Micronics Motherboard Manuals
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Motherboard description |
Micronics part number |
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This document contains jumper and configuration information for the Micronics add-on memory PCB's used in the 386/486 product lines. |
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09-00003-xx |
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09-00003-xx |
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09-00001-xx |
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N/A |
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N/A |
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09-00008-xx |
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09-00010-xx and 09-00021-xx |
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09-00025-xx |
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09-00035-xx for 25MHZ and 09-00066-xx for 33MHZ |
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09-00050-xx |
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09-00054-xx |
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09-00065-xx |
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09-00066-xx |
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09-00081-xx and 09-00135-xx |
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09-00086-xx |
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09-00090-xx |
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09-00093-xx |
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09-00105-xx |
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09-00117-xx |
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09-00125-xx |
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80386-SX Chips and Technolgies .exe file |
09-00127-xx |
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09-00128-xx |
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09-00135-xx |
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09-00140-xx |
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09-00144-xx |
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09-00145-xx |
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80486SX Gemini (upgradeable) .exe file |
09-00154-xx |
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09-00159-xx |
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09-00164-xx |
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09-00165-xx |
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09-00169-xx |
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09-00172-xx |
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09-00173-xx |
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80486 EISA 3 VLB Word for Windows format |
09-00181-xx |
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09-00183-xx |
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09-00185-xx |
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09-00189-xx |
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09-00190-xx |
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09-00192-xx |
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09-00199-xx |
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09-00202-xx |
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09-00203-xx |
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09-00208-xx |
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09-00209-xx |
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09-00210-00 thru 116 |
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09-00210-118 |
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09-00211-xx |
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09-00213-xx |
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09-00216-xx |
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09-00???-xx |
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09-00218-xx |
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09-00220-xx |
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09-00226-xx |
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09-00229-xx |
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09-00232-xx |
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09-00236-xx |
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09-00253-xx |
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09-00264-xx |
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09-00257-xx |
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09-00273-xx |
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09-00287-xx |