I did this a while back for my PB1400 to get a Compaq branded new old stock CD-224E working. The drives made for Apple apparently had the ATA master bus "jumper" set internally. Some PC targeted devices do have jumper settings exposed but without that adding this solder bridge (Pins 45 & 47) on the adapter board sets the drive to master externally and allows you to use non-Apple branded drives.
Here's mine:
View attachment 48423
I originally found info on this here (original page is gone but its in the Internet Achieve ):
(Looks like is just another page on the achieved site
@nickpunt posted above,
@MacUp72, this is "the mod")
This issue applies to other PowerBooks as well, the page is specifically talking about doing this to use generic ATA CD-RW and DVD drives in PowerBook G3 Lombard (1999) and Pismo (2000) models.
Hope this helps!