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Images of BIOS ROMs for Certain AT Clones


NOTE: Additional images at  http://chukaev.ru54.com/bios_en.htm


BIOS source Motherboard:  LM-103S          (CPU: AMD 80L286-16/S soldered)
Supplier modem7 at the Vintage Computer Forums, JUL15
BIOS chip type 27C256       (quantity: 2)
BIOS contains the string "12/15/89"
Motherboard chipset 3 chips by Headland: HT101A/B1A4924, HT102/B1A4000 (qty 2)
Comments 1. Motherboard is marked "LM-103S" between two of the slots and has a "103FS-16" sticker.
2. BIOS consists of a LO chip and a HI chip (low and high)
3. A 12MHz version on eBay had a Quadtel BIOS (labelled: QT-102 V3.05.1) (photo)
BIOS download AMI BIOS for LM-103S motherboard.zip
BIOS chip photo Photo
Motherboard photo Photo           (8 MB)
AMI BIOS ident. D286-1234-121589-K8           (observed by owner at bottom of boot screen)
Self reminder [DEC 2017] In case I can use this info later: The keyboard controller from an IBM 5170 was tested on this motherboard by me.  It worked.  (Partial test only: POST gave no error. Got into BIOS SETUP and used keyboard there.)



BIOS source Motherboard:  ECS-386/32, by Elitegroup Computer Systems          (CPU: 80386DX-20 inserted)
Supplier modem7 at the Vintage Computer Forums, DEC15
BIOS chip type 27C256       (quantity: 2)
BIOS contains the strings "C&T 386 CHIPSET " and "Date:-03/03/89"
Motherboard chipset 8 chips by Chips & Technologies: P82C206, P82C301C, P82C302C, P82A303, P82A304, P82B305 (qty 2), P82A306A
Comments 1. Motherboard is marked "ECS-386/32"
2. User manual is here
3. From the user manual: "The ECS-386/32 a 80386-based mainboard"
4. From the user manual: "Chips & Technologies CS8230 chip set"
5. BIOS consists of an L chip and an H chip (low and high)
BIOS download AMI BIOS for ECS-386/32.zip
BIOS chip photo Photo
Motherboard photo Photo           (8 MB)
AMI BIOS ident. EC&T-1131-030389-K8           (observed by owner at bottom of boot screen)
Self reminder [DEC 2017] In case I can use this info later: The keyboard controller from an IBM 5170 was tested on this motherboard by me.  It worked.  (Partial test only: POST gave no error. Got into BIOS SETUP and used keyboard there.)



BIOS source Motherboard:  FU340, by Abit          (CPU: 80386)
Supplier Anonymous Coward at the Vintage Computer Forums, DEC15
BIOS chip type 27C512 ?
BIOS contains the strings "FU340 REV-B PAGE MODE BIOS" and "05/05/91"
Motherboard chipset 3 chips by Chips & Technologies: P82C351, P82C355, P82C356
Comment Total Hardware 99 identifies the maker of 'FU325/FU333/FU340' as Abit
BIOS download AMI BIOS for Abit FU340 motherboard.zip
AMI BIOS ident. 30-400-ZZ1247-00101111-050591-PEAKDM           (found in BIOS code)



BIOS source Motherboard:  UM386, by Elitegroup Computer Systems          (CPU: 80386DX-40 inserted)
Supplier modem7 at the Vintage Computer Forums, JUL15
BIOS chip type 27C512       (quantity: 1)
BIOS contains the string "UM386 V1.1 03-06-92"
Motherboard chipset 3 chips by UMC: UM82C206F, UM82C391A, UM82C482AF
Comments 1. Motherboard is marked "UM386 REV 1.1"
2. Total Hardware 99 identifies the maker of 'UM 386' as Elitegroup Computer Systems
BIOS download AMI BIOS for UM386 motherboard of revision 1.1.zip
BIOS chip photo Photo
Motherboard photo Photo           (10 MB)
AMI BIOS ident. 30-0500-D01131-00101111-070791-UMCWB-F           (observed by owner at bottom of boot screen)



BIOS source Motherboard:  A433C-C/A450C-C, by J-Bond               (CPU: 80486DX-33 inserted)
Supplier modem7 at the Vintage Computer Forums, JAN16
BIOS chip type 27C512       (quantity: 1)  (actual chip fitted: TMS27C512)
BIOS contains the string "ETEQ 486 Mar. 05, 1992"           (observed on boot screen)
Motherboard chipset 2 chips by ETEQ: ET82C491, ET82C493
1 chip by Chips & Technologies: P82C206
Comments 1. Motherboard is marked "A433C-C/A450C-C  VER:02"
2. Total Hardware 99 identifies the maker of 'JB A450CC ' as J-Bond
BIOS download AMI BIOS for J-Bond A433C-C_A450C-C.zip
BIOS chip photo Photo
Motherboard photo Photo           (12 MB)
AMI BIOS ident. 40-0200-001353-00101111-070791-ETEQ4/1C           (observed by owner at bottom of boot screen)
Self reminder [DEC 2017] In case I can use this info later: The keyboard controller from an IBM 5170 was tested on this motherboard by me.  It worked.  (Partial test only: POST gave no error. Got into BIOS SETUP and used keyboard there.)



BIOS source Unknown motherboard               (CPU: 80386DX-40 inserted)
Supplier modem7 at the Vintage Computer Forums, JAN16
BIOS chip type 27C512       (quantity: 1)  (actual chip fitted: M27C512)
BIOS contains the strings "BIOS ID SMIH0107" and "IT9112"           (both observed on boot screen)
Motherboard chipset 2 chips by Forex: FRX36C300, FRX36C402
1 chip by SiS: 85C206
Comment Looking at the 'Total Hardware 99' database, this board is very close to the following boards:
* Make: FOREX COMPUTER COMPANY  Model: 386 CACHE SYSTEM BOARD
* Make: FREE COMPUTER TECHNOLOGY INC.  Model: CACHE 386 ISA
* Make: INFORMTECH INTERNATIONAL INC.  Model: IT386SM-P
* Make: SPRING CIRCLE COMPUTER INC.  Model: MDX340C/FOREX386

This maybe a Forex designed board, licenced to others
BIOS download SMIH0107 BIOS.zip
BIOS chip photo Photo
Motherboard photo Photo           (9 MB)
AMI BIOS ident. 30-0400-428005-00101111-070791-FORX-F           (observed by owner at bottom of boot screen)
Self reminder [DEC 2017] In case I can use this info later: The keyboard controller from an IBM 5170 was tested on this motherboard by me.  It worked.  (Partial test only: POST gave no error. Got into BIOS SETUP and used keyboard there.)



BIOS source Motherboard:  Everex EV-1806
Supplier SomeGuy at the Vintage Computer Forums, MAY17
BIOS chip type 27128       (quantity: 2)
BIOS contains the strings "286-BIOS (C)1987 AMI, for AT PLUS INC" and "(C)1987 American Megatrends Inc."
Motherboard chipset 2 chips by EVEREX, and 1 chip by Chips & Technologies
Comment ROMs labelled 'REV-F1A-21 EVEN' and 'REV-F1A-21 ODD'
BIOS download Everex EV-1806 - BIOS ROM - REV-F1A-21.zip
Motherboard photo Photo



BIOS source Motherboard:  Everex EV-1815
Supplier SomeGuy at the Vintage Computer Forums, MAY17
BIOS chip type 27128       (quantity: 2)
BIOS contains the strings "286 Modular BIOS Version 3.03" and "Award Software Inc."
Comment  ODD chip in socket U108, and labelled '23C15'
EVEN chip in socket U109, and labelled '23C16'
BIOS download Award 286 Modular BIOS Version 3.03 - BIOS ROM.zip
Comment A later version, 3.03GS, is at here



BIOS source Motherboard:  From a Mitac branded 286 clone
Supplier bobba84 at the Vintage Computer Forums, MAY17
BIOS chip type 27256       (quantity: 2)
BIOS contains the strings "MITAC Inc."  and  "(R04)"
"80286 ROM BIOS Version 3.07"  and  "(c) 1985,1986 Phoenix Technologies Ltd"
BIOS download Phoenix 80286 ROM BIOS Version 3.07 (R04).zip
BIOS chip photo Photo



BIOS source Motherboard:  From an unbranded AT clone
Supplier bobba84 at the Vintage Computer Forums, MAY17
BIOS chip type 27256       (quantity: 2)
BIOS contains the strings "286-BIOS (C)1989 American Megatrends Inc"  and  "VLSI BIOS, 286 CHIPSET"
BIOS download AMI 286-BIOS ROM - DVL2-1160-040990-K8.zip
BIOS chip photo Photo
AMI BIOS ident. DVL2-1160-040990-K8           (observed by owner at bottom of boot screen)



BIOS source Unknown motherboard
Supplier ldkraemer at the Vintage Computer Forums, MAY17
BIOS contains the string "DTK 286 BIOS Ver 3.18  07/01/88"
BIOS download DTK 286 BIOS Ver 3.18.zip



BIOS source Unknown motherboard
Supplier ldkraemer at the Vintage Computer Forums, MAY17
BIOS contains the string "286-BIOS (C)1990, American Megatrends Inc"
Comment Unable to identify BIOS version information from ROM contents
BIOS download AMI 286-BIOS ROM - unknown version - 1.zip
AMI BIOS ident. ???



BIOS source Unknown motherboard
Supplier ldkraemer at the Vintage Computer Forums, MAY17
BIOS contains the strings "386-BIOS (C)1989 American Megatrends Inc"  and  "C&T 386 NON CACHE BIOS, CS8230 CHIPSET"
Comment Unable to identify BIOS version information from ROM contents
BIOS download AMI 386-BIOS ROM - CS8230 chipset - unknown version - 1.zip
AMI BIOS ident. ???



BIOS source Motherboard:  Soyo SY-19I
Supplier diodenmann at the Vintage Computer Forums, NOV17
BIOS contains the strings "ROM BIOS (C)1990 American Megatrends Inc"  and  "ETEQ386"  and  "07/07/91"
Motherboard chipset ETEQ
Comment According to the info at here, also works in a Soyo SY-19G motherboard.
BIOS download AMI BIOS for Soyo SY-19I motherboard.bin
AMI BIOS ident. 30-0200-DH1102-00101111-070791-ETEQ386           (found in BIOS code)



BIOS source Motherboard:  CX SXD
Supplier IdeaFix from www.phantom.sannata.ru/forum    (http://ideafix.name/?p=3280)
BIOS contains the strings "Award Modular BIOS v4.50.srd"  and  "[CX 386SX SYSTEM]"  and  "04/23/90"
Motherboard chipset SARC RC2016
BIOS download CX SXD motherboard - Award Modular BIOS v4.50.srd.bin
Motherboard photo Photo



BIOS source Motherboard:  M321 of revision REV.2.3
Supplier IdeaFix from www.phantom.sannata.ru/forum    (http://ideafix.name/?p=3280)
BIOS contains the strings "ROM BIOS (C)1990 American Megatrends Inc."  and  "05/05/91"
Motherboard chipset CHIPS
BIOS download M321 motherboard of revision REV.2.3 - BIOS ROM.bin
Motherboard photo Photo           (example only - not the actual board that above BIOS is from)
AMI BIOS ident. 30-0201-ZZ1347-00101111-050591-M320           (found in BIOS code)


BIOS source Motherboard:  UNICHIP 386BW 367 REV 1.0
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS contains strings "UNICHIP BIOS VER 2.0A 09/27/1993" and "AMIBIOS (C)1992 American Megatrends Inc."
BIOS download http://ideafix.name/?p=3280    (see No. 2; "UNICHIP 386BW 367 REV 1.0")
AMI BIOS ident. ???


BIOS source Motherboard:  TD70AN PCB70AN5
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS comment First half of ROM is EVEN bytes, second half is ODD bytes.
BIOS contains strings "TD70A BIOS VERSION 2.60G" and "AMIBIOS (C)1992 American Megatrends Inc."
BIOS download http://ideafix.name/?p=3280    (see No. 3; "TD70AN PCB70AN5")
AMI BIOS ident. ???


BIOS source Motherboard:  GMB-386SAT V1.0
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS contains strings "AMIBIOS (C)1992 American Megatrends Inc."
BIOS download http://ideafix.name/?p=3280    (see No. 4; "GMB-386SAT V1.0")
AMI BIOS ident. 30-0100-428036-00101111-111192-ALI1217           (found in BIOS code)


BIOS source Motherboard:  M919A00 NPM/40-A0
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS contains strings "386SX NPM/33,40-A0(2) 05/12/1993" and "ROM BIOS (C)1990 American Megatrends Inc."
BIOS download http://ideafix.name/?p=3280    (see No. 5; "M919A00 NPM/40-A0")
AMI BIOS ident. 30-0501-D81105-00101111-070791-ACER1217           (found in BIOS code)


BIOS source Motherboard:  TI 486DLC REV: S3Q
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS contains strings "Texas Instruments 486DLC [S3Q]" and "Ver 1.4b" and "06/06/92(C)1992 American Megatrends Inc."
BIOS download http://ideafix.name/?p=3280    (see No. 9; "TI 486DLC REV: S3Q")
AMI BIOS ident. X0-0100-000000-00101111-060692-RC2018A           (found in BIOS code)


BIOS source Motherboard:  KT216WB 5/HI REV 2, possibly by KT Technology
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset 5 chips by Windbond: W83C201P, W83C202AP, W83C203AP, W83C204P, W83C205AP
BIOS contains strings "Date:-06/13/90 (C)1985-1990, American Megatrends Inc."
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 1; "KT216WB 5/HI REV 2")
Motherboard photo http://ideafix.name/?p=3261    (see No. 1; "KT216WB 5/HI REV 2")
AMI BIOS ident. ???


BIOS source Unknown motherboard          (CPU: Harris 80C286-16 soldered)
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset SARC RC2015
BIOS contains strings "[80286 Standard System 2V1]" and "Date:-05/05/91 (C)1985-1990, American Megatrends Inc."
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 2; "UNKNOWN SARC REV 1.2")
Motherboard photo http://ideafix.name/?p=3261    (see No. 2; "UNKNOWN SARC REV 1.2")
AMI BIOS ident. 20-0300-008034-00101111-050591-SARC286           (found in BIOS code)


BIOS source Unknown motherboard          (CPU: Harris 80C286-20 soldered)
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset SARC RC2015
BIOS contains strings "[80286 Standard System 2V1]" and "Date:-05/05/91 (C)1985-1990, American Megatrends Inc."
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 3; "UNKNOWN SARC REV 1.3")
Motherboard photo http://ideafix.name/?p=3261    (see No. 3; "UNKNOWN SARC REV 1.3")
AMI BIOS ident. 20-0300-008034-00101111-050591-SARC286           (found in BIOS code)


BIOS source Unknown motherboard          (CPU: AMD 80L286-16/S soldered)
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset Headland
BIOS contains strings "Date:-06/13/90 (C)1985-1990, American Megatrends Inc."
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 4; "UNKNOWN Headland")
Motherboard photo http://ideafix.name/?p=3261    (see No. 4; "UNKNOWN Headland")
AMI BIOS ident. ???


BIOS source Motherboard: PTM-1632C, by DTK
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset 4 chips by Chips & Technologies
BIOS contains strings "DTK 286 Chipset ROM BIOS Version 3.26" and "COPYRIGHTS 6/30/1985" and "06/28/90"
BIOS download http://ideafix.name/?p=3261    (see No. 5; "UNIT PTM-1632C")
Motherboard photo http://ideafix.name/?p=3261    (see No. 5; "UNIT PTM-1632C")


BIOS source Motherboard:  MAT286          (CPU: Siemens 80286-16 inserted)
Supplier IdeaFix from www.phantom.sannata.ru/forum
Motherboard chipset Headland
BIOS contains strings "Date:-06/13/90 (C)1985-1990, American Megatrends Inc."
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 6; "MAT286 REV.D")
Motherboard photo http://ideafix.name/?p=3261    (see No. 6; "MAT286 REV.D")
AMI BIOS ident. ???


BIOS source Motherboard:  TOPTEK VLSI
Supplier IdeaFix from www.phantom.sannata.ru/forum
BIOS contains the string "286-BIOS (C)1989 American Megatrends Inc"
Comment Unable to identify BIOS version information from ROM contents
BIOS download http://ideafix.name/?p=3261    (see No. 7; "TOPTEK VLSI")
AMI BIOS ident. ???