Mod performed on MAC revH to convert to PC revH
removed U2104. (bridget bus management)
bypassed /BR /BG signals (removed bridget bus management) : R2122, R2124 (BG master, BG slave) connected directly to CPUs (via logic probes). R2125 (BR master) and R2123(BR slave) are bypassed with 0 ohm jumper.
removed 29.5
MHz
oscillator on position U5403
populated and shorted J5401
added 2 bodge wires on the back PCMCIA
added PCMCIA to EPP bridge card.