Originally posted by terminalvelocd
And just a little note, all speedhacked firmware releases now support 4x, 6x, and 8x writing to RICOHJPNR00 and MCC001 media.
Actually, in regards to the RICOHJPN-R00-01 code... there is a problem with this code in GS0F, GS0H, and likely other firmwares as well. (Earlier FWs has only the R00-00 code) It, uh, well, it doesn't exist in the firmware. It is present in the table, but because of a bug in the firmware, the R00-01 code is not recognized. This probably has something to do with the fact that the final 4 codes in the +R table in GS0F are preceded by two null entries. It actually turns out that when I inserted my R00-01 media, the drive did not recognize it and assigned it the generic speed of 2.4x for unrecognized media. When unhacked, this can go unnoticed fairly easily (this bug in the FW becomes much more obvious once the FW is speedhacked). I had to manually make a minor tweak to the FW for the FW to properly recognize my R00-01 media. This does not affect R00-00.
Also, on another note, while GS0H resolves -R writing problems, it causes problems with +R writing. Because I do most of my burning with +R, I would steer clear of GS0H, and there might other people who would like to steer clear of GS0H for the same reason. Of course, -R people would love to have GS0H. Perhaps you should give them a choice between the two.