Last updated: March 30, 1998.

This page contains the current bios upgrade files and drivers for different chipset mainboards. Some boards may look Identical, but they have different I/O chips. Please pay attention to the version of the bios you have before selecting the files. The version of the bios is displayed on the boot screen, 3rd line counting down from the top of the initial boot screen. If you do not have problem with your motherboard, please do not upgrade your bios.

Bios files
Model Description
Features
M668-007.rom. M668
Intel 440LX AGPset ATX Pentium II mainboard, 4 PCI , 3 ISA & 1 AGP slots, 4-168 DIMM sockets.
Single Slot one.
AMI Bios.
 Bug Fix update
M668DS-5.rom. M668DS
Intel 440LX AGPset ATX Pentium II mainboard, 4 PCI , 3 ISA & 1 AGP slots, 4-168 DIMM sockets.
Adaptec SCSI 7880 chipset on-board.
Dual Slot one.
AMI Bios.
 Bug Fix update
R653_002.bin. R653
Intel 440FX chipset ATX Pentium II mainboard, 4 PCI & 4 ISA slots, 6-72pin simm sockets.
Award Bios.
 Support LS-120 / Zip drive
R651G1_7.bin. R651
Intel 440FX chipset ATX Pentium mainboard, 4 PCI & 4 ISA slots, 8-72pin simm sockets.
Award bios.
 Suppprt LS-120 / Zip drive
M628-007.rom. M628
Intel 440LX AGPset AT Pentium II mainboard, 4 PCI , 3 ISA & 1 AGP slots, 4-168 DIMM sockets.
AMI Bios.		 Number Nine Revolution 3D Bug Fix
R622A004.bin. R622
Intel 440FX chipset AT Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin & 2-168pin Dimm sockets.
 Support LS-120 / Zip drive
R581_004.bin. R581
SiS 5591 chipset Pentium mainboard, 1 AGP 4 PCI & 3 ISA slots, 2-72pin & 3-168pin Dimm sockets with Ultra DMA and Hardware Monitoring.
Award bios:
 Latest Update.
R558_007.bin. R558
SiS 5598 chipset ATX Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin & 2-168pin Dimm sockets.
Award Bios.
 LS-120/Zip drive.
Voodoo.
R557_004.bin. R557
Intel 430TX chipset ATX Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 2 Dimms sockets.
Award bios
 Support LS-120 / Zip drive
R552L_7.bin. R552
Intel 430VX chipset Pentium ATX mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios:
Winbond 83787/83777 I/O chip.		 Support Intel Pentium 200MHz.
M549-003.bin. M549
Super TX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin & 1-168pin Dimm sockets.
Award bios:
 Bug fix for diamond Stealth II 220.
R548_007.bin. R547
SiS 5582 chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin & 2-168pin Dimm sockets with Ultra DMA.
Award bios:
 Ultra DMA hard drive.
NCR 810 SCSI card.
R547_007.bin. R547
SiS 5582 chipset Pentium mainboard, 2 PCI & 6 ISA slots, 4-72pin & 2-168pin Dimm sockets with Ultra DMA.
Award bios:
 Ultra DMA hard drive.
NCR 810 SCSI card.
R543_004.bin. R543
Cyrix Media GX chipset AT mainboard, 2 PCI & 3 ISA slots, 4-72pin simm sockets.
Award bios:
 Power LED.
R542_007.bin. R542
SiS 5598 chipset Pentium mainboard, 3 PCI & 4 ISA slots, 2-72pin & 3-168pin Dimm sockets with Ultra DMA.
Award bios:
 Ultra DMA hard drive.
Voodoo card
R541_007.bin. R541
Intel 430TX chipset Pentium mainboard, 4 PCI & 5 ISA slots, 3 Dimm sockets.
AWard bios.
 Support LS-120 / Zip drive
R541_004.rom. R541
Intel 430TX chipset Pentium mainboard, 4 PCI & 5 ISA slots, 3 Dimm sockets.
AMI bios.
 SupportLS-120 / Zip drive
R540-004.bin. R540
Intel 430TX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 2-72pin simm & 2 Dimms sockets.
Award bios:
 LS-120/Zip drive
Free VGA IRQ
R539_006.bin. R539
Intel 430TX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 2 Dimm sockets.
Award bios:
 Support L2-120 / Zip driver.
R534N_7.bin. R534
Sis 5571 chipset Pentium mainboard, 3 PCI & 5 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios.
Winbond 83787/83777 I/O chip.		 Support LS-120 / Zip drive
R534E009.bin. R534
Sis 5571 chipset Pentium mainboard, 3 PCI & 5 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios:
Winbond 83877 I/O chip.		 Support LS-120 / Zip drive
R534E009.bin. R534E
Sis 5571 chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios:
Winbond 83877 I/O chip.		 Support LS-120 / Zip drive
R534F006.bin. R534F
SiS 5571 chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios:
Winbond 83877 I/O chip.		 Support LS-120 / Zip drive
R534G006.bin. R534G
SiS 5571 chipset Pentium mainboard, 3 PCI & 5 ISA slots, 4-72pin simm & 2-168pin Dimm sockets.
Award bios:
Winbond 83877 I/O chip.		 Support LS-120 / Zip drive
R533M_7.bin. R533W2
Intel 430VX chipset Pentium mainboard, 3 PCI & 5 ISA slots, 4-72pin simm & 1-168pin Dimm sockets.
Award bios.
Winbond 83787/83777 I/O chip.
 Support Intel Pentium 200MHz cpu.
R533_77F.bin. R533W2
Intel 430VX chipset Pentium mainboard, 3 PCI & 5 ISA slots, 4-72pin simm & 1-168pin Dimm sockets.
Award bios.
Winbond 83877 I/O chip.
 Support Intel 200MHz cpu.
R529L_7.bin. R529W2
Intel 430VX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm & 1-168pin Dimm sockets.
Award bios.
Winbond 83787/83777 I/O chip.		 Support Intel Pentium 200MHz cpu.
R528hu.bin. R528W2
Intel 430HX chipset mainboard, 3 PCI & 4 ISA slots, 4-72pin simm sockets (optional SCSI on-board).
Award bios.
UMC I/O chip.
 Support Intel 200MHz cpu.
R527k.bin. R527W2
Sis 5512, 5512 & 5513 chipset Pentium mainboard, 3 PCI & 4 ISA slots, 4-72pin simm sockets, VGA on board.
Award bios.
SMC I/O chip.		 N/A
R527iu.bin. R527W2
Sis 5512, 5512 & 5513 chipset Pentium mainboard, 3 PCI & 4 ISA slots, 4-72pin simm sockets, VGA on board.
Award bios.
UMC I/O chip.		 N/A
R526k.bin. R526W2
Sis 5512, 5512 & 5513 chipset Pentium mainboard, 3 PCI & 4 ISA slots, 4-72pin & 8-30pin simm sockets.
Award bios:
SMC I/O chip.
 Support Pentium 200
(no MMX)
R526iu.bin. R526W2
Sis 5512, 5512 & 5513 chipset Pentium mainboard, 3 PCI & 4 ISA slots, 4-72pin & 8-30pin simm sockets.
Award bios:
UMC I/O chip.
 Support Pentium 200
(no MMX)
R525es.bin. R525W2
Intel 430FX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm sockets.
Award bios.
SMC I/O chip.
 N/A
R525ami.rom. R525A2
Intel 430FX chipset Pentium mainboard, 4 PCI & 4 ISA slots, 4-72pin simm sockets.
AMI bios.
SMC I/O chip.
 N/A
R418kw.bin
 R418W2
SiS 496/497 chipset 486 PCI/ISA mainboard, 3 PCI & 4 ISA slots, 8-30pin & 2-72pin Simm sockets.
Award bios.
Winbond I/O chip.
 Support AMD 5x86-133
R418h.bin. R418W2
SiS 496/497 chipset 486 PCI/ISA mainboard, 3 PCI & 4 ISA slots, 8-30pin & 2-72pin Simm sockets.
Award bios.
SMC I/O chip.
 Support AMD 5x86-133
R418hw.rom
 R418A2
SiS 496/497 chipset 486 PCI/ISA mainboard, 3 PCI & 4 ISA slots, 8-30pin & 2-72pin Simm sockets.
AMI bios.
Winbond I/O chips.
 Support AMD 5x86-133
R418d.rom. R418A2
SiS 496/497 chipset 486 PCI/ISA mainboard, 3 PCI & 4 ISA slots, 8-30pin & 2-72pin Simm sockets.
AMI bios.
SMC I/O chip.
 Support AMD 5x86-133

Item
Description
Remarks
AWDFLASH.exe. Award Flash Utility (Version: v5.3) N/A
AWD-V52C.EXE. Award Flash Utility (Version: v5.2) For 486 and earlier version of Pentium m/b.
AMIFLASH.com. AMI flash utility. For 486 and earlier version of Pentium m/b.
FLASH631.com. AMI flash utility. (Ver 6.31) N/A
BMIDE_95.exe.
(584K)		 Intel 430FX, HX, VX, TX & LX chipset Win95 Bus Master IDE driver.
(For R525, R528, R529, R533, R539, R540, R541, R552, R557, M628 & M668 m/b.)		 N/A
BMIDE_NT.exe.
 Intel 430FX, HX, VX, TX & LX chipset NT Bus Master IDE driver.
(For R525, R528, R529, R533, R539, R540, R541, R552, R557,M628 & M668 m/b.)		 N/A
GX-NT.exe R543 Media Gx Win NT VGA and Audio Driver. N/A
GX-Win31.exe R543 Media Gx Win 3.11 VGA Driver. Select soundblaster for audio driver
GX-Win95.exe R543 Media Gx Win 95 VGA and Audio Driver. N/A
M549UDMA.exe M549 Ultra DMA driver.
 N/A
R528scsi.exe
(1399K)		 R528 SCSI driver.
 N/A
SisIDE20.exe
(561K)		 SiS 551X, 5571, 5598 & 5591 Bus Mastering Driver.
(For R526, R527, R534/E/F/G, R542, R547, R558 & R581A m/b.)		 N/A
SisAGP12.exe
(572K)		 SiS 5591 AGP Driver version 1.2.
(For R581A m/b.)		 PCI Bridge
PIIX4.exe
(592K)		 Intel 82371xB chipsets INF Update Installer.
For AMI & Award bios m/b
PCI bridge
WINP2X41.exe TX chipsets Bus Mastering Driver.
For Award bios m/b only
PCI bridge
InfPatch.exe TX / LX chipsets Driver.
For AMI bios m/b
PCI bridge
OEMUSB.exe
(872K)		 TX / LX USB Driver.
N/A