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First post, by PC@LIVE

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Jetway BX BIOS update
Hi, I'm looking for an updated BIOS for a colleague, who has a Jetway BX slot1, it is thought that the updated BIOS can recognize CPUs that it currently does not support, the card from what I have seen is one of the first BX, it has jumpers to select 66 or 100 MHz FSB, but also the multi is selectable by jumper, unfortunately the multis do not reach 8X, or even beyond.
If anyone knows where to find a link, or knows which CPUs are supported (so no beyond XXX MHz), in short, any information can be useful, currently it works with a 500, but not with a 600!
I look forward to and thank in advance anyone who can provide valuable help.

AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB

Reply 1 of 7, by PC@LIVE

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AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB

Reply 2 of 7, by PC@LIVE

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Sorry, Jetway J-7BXAN

AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB

Reply 4 of 7, by PC Hoarder Patrol

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PC@LIVE wrote on 2023-10-19, 17:07:
Jetway BX BIOS update Hi, I'm looking for an updated BIOS for a colleague, who has a Jetway BX slot1, it is thought that the upd […]
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Jetway BX BIOS update
Hi, I'm looking for an updated BIOS for a colleague, who has a Jetway BX slot1, it is thought that the updated BIOS can recognize CPUs that it currently does not support, the card from what I have seen is one of the first BX, it has jumpers to select 66 or 100 MHz FSB, but also the multi is selectable by jumper, unfortunately the multis do not reach 8X, or even beyond.
If anyone knows where to find a link, or knows which CPUs are supported (so no beyond XXX MHz), in short, any information can be useful, currently it works with a 500, but not with a 600!
I look forward to and thank in advance anyone who can provide valuable help.

BIOS - https://web.archive.org/web/20010428123828fw_ … load/d7BXAS.htm

J-7BXAN CPU Ratios.jpg
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Can't find a list of supported CPUs, but this suggests coppermine & 600+ MHz is possible Christmas 1999 build - What's under YOUR tree?

Reply 5 of 7, by PC@LIVE

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Thanks to both of you, I posted the link, so my colleague can see what he needs, and regarding support for faster CPUs, even if there are no multis higher than 7X in the jumper, could it be possible to select them with secret combinations?

AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB

Reply 7 of 7, by PC@LIVE

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Yes, I suspected it, but you confirm what I imagined, so it would be possible to use even the Celeron 766, or in any case those with multi higher than 10X, obviously using a slot1-370 adapter.

AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB