cr1901 changed the topic of ##yamahasynths to: Channel dedicated to questions and discussion of Yamaha FM Synthesizer internals and corresponding REing. Discussion of synthesis methods similar to the Yamaha line of chips, Sound Blasters + clones, PCM chips like RF5C68, and CD theory of operation are also on-topic. Channel logs: https://libera.irclog.whitequark.org/~h~yamahasynths
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<ZrX-NoMs>
Flashed a new BIOS to old SCSI-card. For reasons unknown the 64k ROM is lha-archive that contains a 64k ROM inside.
<ZrX-NoMs>
And for more reasons unknown someone decided that the BIOS on a PCI SCSI-card should contain the error message about your PCI SCSI-card not being in the PCI-slot.
<tunixman>
a good programmer is someone who looks both ways before crossing a one way street.
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<Foone>
yeah. ever seen PC BIOS code? it starts by confirming all the CPU registers work, just in case you're running on a broken chip
<Sarayan>
and then it won't use any ram before it's 100% sure it's configured correctly
<qu1j0t3>
that's the first nice thing i've heard about pc bios code.
<Foone>
it seems silly but it makes some amount of sense: if something is broken you probably want to know first thing, and not later once the PC has started trying to do things.
<Foone>
like if your ram turns out to be bad you might end up writing corrupted sectors to a disk, which you can't easily undo
<Foone>
basically "if it's broken it's gonna crash, so lets make sure it crashes before we're doing anything important"
<Sarayan>
in the more modern systems (thinking like pentium 4) you even *have* to configure the ram through pci before you can use it, including getting characteristics over i2c. They do all that without a stack and with everything in the mmx registers
<tpw_rules>
when did they start supporting ram as cache?
<Sarayan>
ram as cache?
<tpw_rules>
sorry the other way around. cache as ram
<Sarayan>
Ah, don't know. Not pentium 4 though
<Sarayan>
(pentium 4 is used in sega lindbergh, that's why I looked at it quite a lot)
<tunixman>
man I remember having to write an SDRAM configuration for the UPMs on older PPC SoCs.
* tunixman
shows off his TLA skills.
<tunixman>
Weeks of madness and no booting followed by 2 minutes of joy before the watchdog resets it.
<Sarayan>
2 minutes is a good start :-)
<tunixman>
The first time it worked was the best two minutes of my life up to that point.
<tunixman>
man that was a weird time for me anyway.