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 xeron
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What is the AmigaOne bios chip?
Posted on 11-Mar-2005 12:21:24
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Elite Member
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Joined: 22-Jun-2003
Posts: 2440
From: Weston-Super-Mare, Somerset, England, UK, Europe, Earth, The Milky Way, The Universe | | |
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| I was thinking about making some modifications to U-Boot, but I'm not going to do that if I can't keep a working backup chip.
I have access to various EPROM and flash chip burning equipment at work, so its quite likely i'll be able to buy a chip and blow a backup in case i kill something. The problem is that i'm at work and can't get to my A1 until sunday but if I knew the part number I could order a chip from our suppliers today, so does anyone know offhand the part number of the bios chip? _________________
Playstation Network ID: xeron6 |
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JurassicC
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 12:47:47
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Super Member
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Joined: 13-Mar-2003
Posts: 1441
From: Somerset, UK | | |
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| @xeron
i had to buy one when mine got lost in the post. Its this one iirc
RS Stock No. Description Manufacturer
415-1742 IC, Memory, Flash, M29F040B55K1 ST MICROELECTRONICS
M29F040B55K1
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A1200T 603e 330Mhz - Mediator TX OS4.1 F.E.
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L8-X
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 13:27:27
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Elite Member
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| @JurassicC
Ah, that part has been discontinued but they suggest an alternative HERE. Just work your way through till the red order button shows, or quicksearch ID 435-6688. _________________
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 14:01:44
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| Thanks guys. Just hope that alternative part really is drop-in compatible! _________________
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 14:09:51
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Joined: 22-Jun-2003
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From: Weston-Super-Mare, Somerset, England, UK, Europe, Earth, The Milky Way, The Universe | | |
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| Ahh yes.. so my second question is, is it possible to TFTP boot from OS3.9? Or do I have to have a PC on my network?
Since I don't have a floppy drive, burning a CD-Rom to test every change would be excessive and expensive, and all I have on my desk are Amigas  _________________
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Crusher
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 14:25:12
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Regular Member
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Joined: 30-Sep-2003
Posts: 149
From: Sweden, Bergby | | |
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| @xeron
A lttile offtopic but do you think you are able to burn a rom for a FastlaneZ3 card? The romchip is socketed and I have the new romfile on disk.
I think it is this chip: Microchip 27C256 (more numbers are printed if you want´em).
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Mainframe: Amiga 3000 Tower, CSPPC233/060, 128+2MB, 36GB hd, Prometheus, Voodoo5 5500, 10Mbit
A1G3XE 800MHz, 768MB, 150GB Raptor, 9250, OS4.1 |
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Wed
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 14:59:14
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Joined: 22-Mar-2004
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| @xeron
Updating the Uboot through tftp has been done.
Add to that, don't know from what OS. Last edited by Wed on 11-Mar-2005 at 03:00 PM.
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JurassicC
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 15:01:16
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Super Member
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Joined: 13-Mar-2003
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| @xeron
I assume you gonna a build a floppy type boot image and tftpboot in the same way you'd update a new hyperion update over a network. Won't you need an update program to put your new image into the rom.
Anyway I found this on aminet
http://www.aminet.net/package.php?package=comm/tcp/tftp-server.lha
I use solaris winds free tftp server when i flash my A1's
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A1200T 603e 330Mhz - Mediator TX OS4.1 F.E.
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 15:09:52
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| @Crusher
Sure. I think I even have a spare 27C256... i'll send you a PM with my work email address. _________________
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 15:12:01
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Elite Member
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Joined: 22-Jun-2003
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From: Weston-Super-Mare, Somerset, England, UK, Europe, Earth, The Milky Way, The Universe | | |
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| @JurassicC
Well, I don't know yet. I can't take the programmer hardware home from work (they seem to not like people taking hundreds of pounds worth of equipment off site ... , so I'll have to flash my updates on the A1 itself.
I just need to have two chips, so if I break one, I can put the other back in, and reblow the other one at work the next day. _________________
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cap
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 16:01:56
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| @JurassicC
I flashed my A1 the first time from my A1200 PPC running a tftp server.
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Ferry
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 16:20:00
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Cult Member
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Joined: 26-Aug-2003
Posts: 696
From: Valencia, Spain | | |
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| @xeron
Quote:
| Since I don't have a floppy drive, burning a CD-Rom to test every change would be excessive and expensive, and all I have on my desk are Amigas |
Althought TFTP would be the best solution, a CD-RW would do too.
Saluditos,
Ferrán._________________
Amiga user since 1988
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Member of ATO Spain
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 11-Mar-2005 16:34:40
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| @Ferry
Doesn't matter, looks like I can use TFTP anyway. _________________
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xeron
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Re: What is the AmigaOne bios chip?
Posted on 4-Apr-2005 11:29:28
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Elite Member
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Joined: 22-Jun-2003
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From: Weston-Super-Mare, Somerset, England, UK, Europe, Earth, The Milky Way, The Universe | | |
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| Well... I'm now the proud owner of an AM29F040B flash ROM, and a PLCC to DIL adaptor so I can program it at work
I guess all I have to do now is bring my U-Boot chip from my A1 to work and make a copy of it into the blank one, and then e-mail Hyperion for the sourcecode and tips on how to make a TFTP image from it.
I just hope I can do that on OS4... _________________
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