Well, the linked suggestion isn't going to work I don't think. I removed the DOC (Disk On Chip). It's effectively the hard drive. It simply won't finish booting if you don't press anything. If you press the F2 key (book), then you get right back to the password screen. I think there may yet be a way to reset the password though. Award (which is a subsidiary of Phoenix) has a BIOS tool called MODBIN. I don't know if this will work on the Phoenix BIOS or not, but it can't hurt to try.
It requires you to dump out the ROM to a file. MODBIN is an editor that'll let you change the parameters. One of the options is to "Change BIOS Options". You can then change the "Security Default Password" to whatever you like and flash it back into the chip. That should also you to get into the BIOS if MODBIN will open Phoenix BIOS ROM's.
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