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RD1 Model Selection Sheet

Read carefully before you check the chart below.
Please execute flash utility, such as Awdflash.exe, Aflash.exe etc. to get the type or model number of FlashROM chip which is equipped on your motherboard. Click here to see how to do.

Base on the model information, you can choose appropriate RD1 model from the chart below.
The BIOS chip model shown on your PC screen may not be exactly the same as the model listed in the chart, especially the ending part, eg. /5V, /3V, LPC, FWH. The difference of ending part can be ignored. The beginning part of the model name, eg. AMD or SST represents the BIOS IC manufacturer and it may show different abbreviation in different utilities.

FlashROM Name Size Suit RD1 model
AMD 29F002(N)T /5V 2M 2M/-
AMD 29F010 /5V 1M -
AMD 29F160D /5V 16M -
AMD 29F400BT /5V 4M -
AMD AM29F004B /5V 4M -
AMD AM29F040B /5V 4M -
AMD Am29LV160D /3V 16M -
AMD Am29LV320DT /3V 32M -
AMIC A29001 /5V 1M -
AMIC A29002 /5V 2M 2M/-
AMIC A29040 /5V 4M -
AMIC A29L040 /3V 4M -
AMIC A49LF004 /3V 4M PMC4
AMIC A49LF040 /3V 4M PMC4
AMIC A50FW040 /3V 4M -
AMIC A50LPW040 /3V 4M -
ARF35LV020 2M -
ATMEL 26DF041 4Mb 3V 4M -
ATMEL 29C010A /5V 1M -
ATMEL 29C020 /5V 2M 2M/-
ATMEL 29C040A /5V 4M -
ATMEL 29LV020 /3V 2M 2M/-
ATMEL 49F001T /5V 1M -
ATMEL 49F002T /5V 2M 2M/-
ATMEL 49F040A /5V 4M -
ATMEL 49F040T /5V 4M -
ATMEL AT49LH002 2Mb 3.3V 2M PMC2
ATMEL AT49LH004 /3.3V 4Mb 4M PMC4
ATMEL AT49LH00B4/3.3V 4Mb 4M PMC4
ATMEL AT49LL020 2Mb LPC 2M PMC2
ATMEL AT49LL040 4Mb LPC 4M PMC4
ATMEL AT49LW040 4Mb FWH 4M PMC4
ATMEL AT49LW080 8Mb FWH 8M FWH8
AVF35LV020 2M -
AVF35LV040 4M -
BRIGHT BM29F040 /5V 4M -
BRIGHT BM29FS020 /5V 2M 2M/-
BRIGHT BM29FS040 /5V 4M -
CSI CAT28F001P /12V 1M -
CSI CAT28F002T /12V 2M -
EFST F49B002UA /5V 2M -
emtc eM29SF002AT 2Mb 2M -
EN EN29F002NT /5V 2M 2M/-
EN EN29F040 /5V 4M -
EON EN29LV040 /3V 4M -
Fujitsu BMB29F040C /5V 4M -
HYUNDAI HY29F002T /5V 2M 2M/-
HYUNDAI HY29F040A /5V 4M -
IMT IM29F002T /5V 2M 2M/-
IMT IM29F004T /5V 4M -
INTEL 28F001BX-T /12V 1M -
INTEL 28F002BX-T /12V 2M -
INTEL E82802AB /3.3V(4Mb) 4M PMC4
INTEL E82802AC /3.3V(8Mb) 8M FWH8
INTEL E82F400B5 4M -
MBM 29F160 /5V 16M -
MEGAWIN MM29LF040 /3.3V 4M -
MOSEL 29C51004T /5V 4M -
MOSEL V29C51001T /5V 1M -
MOSEL V29C51002T /5V 2M 2M/-
MOSEL V29LC51002T /5V 2M -
MXIC 28F002TTC /12V 2M -
MXIC 28F1000AP /12V 1M -
MXIC 28F1000P /12V 1M -
MXIC 28F2000PPC /12V 2M -
MXIC 28F2000TPC /12V 2M -
MXIC 29F001T /5V 1M -
MXIC 29F002(N)T /5V 2M 2M/-
MXIC 29F004T /5V 4M -
MXIC 29F022(N)T /5V 2M 2M/-
MXIC MX25L1605A 16Mb 3.3V 16M -
MXIC MX25L4005A 4Mb 3.3V 4M -
MXIC MX25L8005 4Mb 3.3V 4M -
MXIC MX29F040 /5V 4M -
MXIC MX29LV160T-B /3V 16M -
PMC Pm25LV040 4Mb 3.3V 16M -
PMC PM29F002T /5V 2M 2M/-
PMC Pm29F004T /5V 4M -
PMC PM39F020 /5V 2M -
PMC PM39F040 /5V 4M -
PMC Pm49FL002T LPC/FWH 2M PMC2
PMC Pm49FL004T LPC/FWH 4M PMC4
PMC Pm49LP002 LPC /3.3V 2M PMC2
Spansion MBM29LV160TE /3V 16M -
Spansion S25FL004 4Mb 3V 4M -
Spansion S25FL008 8Mb 3V 8M -
Spansion S25FL016A 16Mb 16M -
SGS-THOMSON M29F002T /5V 2M 2M/-
SGS-THOMSON M29F400T /5V 4M -
SGS-THOMSON M50FW040 /3V 4M -
SST 25LF016B 16Mb 3.3V 16M -
SST 25LF040A 4Mb 3.3V 4M -
SST 25LF080A 8Mb 3.3V 8M -
SST 25VF080B 8Mb 3.3V 8M -
SST 28EE010 & 28EE011 /5V 1M -
SST 28SF040A /5V 4M -
SST 29EE010/5V 1M -
SST 29EE020 /5V 2M 2M/-
SST 29LE020 /3V 2M -
SST 39SF010 /5V 1M -
SST 39SF020 /5V 2M 2M/-
SST 39SF040 /5V 4M -
SST 39SF040P /5V 4M -
SST 39VF020 /3.3V 2M -
SST 39VF040 /3V 4M -
SST 39VF040P /5V 4M -
SST 49LF002A /3.3V 2M PMC2
SST 49LF002A /3.3V (2Mb) 2M PMC2
SST 49LF002A/B /3.3V(2Mb) 2M PMC2
SST 49LF003A/B 3Mb /3.3V 3M -
SST 49LF003A 3Mb /3.3V 3M -
SST 49LF004 /3.3V 4M PMC4
SST 49LF004A/B /3.3V 4M PMC4
SST 49LF008A /3.3V 8M FWH8
SST 49LF016C 3.3V 16M -
SST 49LF020 LPC /3.3V 2M PMC2
SST 49LF020A LPC /3.3V 2M PMC2
SST 49LF030A 3Mb /3.3V 3M -
SST 49LF040A LPC /3.3V 4M PMC4
SST 49LF040B LPC /3.3V 4M PMC4
SST 49LF080A /3.3V 8M LPC8
ST M25PE40 4Mb 3V 4M -
ST M29F002T /5V 2M -
ST M29F040B /5V 4M -
ST M29F400T /5V 4M -
ST M29W040B /3V 4M -
ST M29W160D /3V 16M -
ST M50FLW040A /3V 4M PMC4
ST M50FLW040B /3V 4M PMC4
ST M50FLW080A /3V 8M FWH8/LPC8
ST M50FW002 FWH 2M PMC2
ST M50FW040 /3V 4M PMC4
ST M50FW080 8Mb FWH /3V 8M FWH8
ST M50LPW002 LPC 2M PMC2
ST M50LPW040 /3V 4M PMC4
ST M50LPW041 /3V 4M PMC4
ST M50LPW080 8Mb LPC /3V 8M LPC8
ST M50LPW116 /5V 16M -
WINBOD W25P16 16Mb SPI 16M -
WINBOND 29C020 /5V 2M 2M/-
WINBOND 29C040 /5V 4M -
WINBOND 29EE011 /5V 1M -
WINBOND 39L020 /3.3V 2M -
Winbond 39L040 /3.3V 4M -
Winbond 39L040A /3.3V 4M -
WINBOND 49F002U /5V 2M 2M/-
WINBOND 49V002 /3.3V 2M PMC2
WINBOND 49V002F /3.3V 2M PMC2
WINBOND W25P40 4Mb SPI 4M -
WINBOND W25P80 8Mb SPI 8M -
WINBOND W25X40 4Mb SPI 4M -
WINBOND W25X80 8Mb SPI 8M -
Winbond W39V040AP (4Mb) 4M PMC4
Winbond W39V040FA (4Mb) 4M PMC4
Winbond W39V040B (4Mb) 4M PMC4
Winbond W39V040FB (4Mb) 4M PMC4
Winbond W39V040C (4Mb) 4M PMC4
Winbond W39V040FC (4Mb) 4M PMC4
Winbond W39V080A (8Mb) 8M LPC8
Winbond W39V080FA (8Mb) 8M FWH8

Note:

2M/-

Make sure the shape of your FlashROM type. Refer to Check point 2 of http://www.ioss.com.tw/web/English/RD1BIOSSavior/SelectionChart.html If DIP type, choose RD1-2M model.   Currently IOSS only selling DIP model for this range.

PMC4

Approximately Year 2002 and earlier model of motherboard may not able to use on INTEL E82802AB.

FWH8/LPC8 If the main chipset(not a CPU) is Intel made, then FWH8, others, such as NVidia, SiS, VIA, choose LPC8.




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