ACA 1230 Real Time Clock Upgrade Kit is a Real Time Battery Backed Up clock chip and coin battery for the ACA 1230 Accelerator only. Important Note: the newer ACA 1232 and ACA 1220 uses the alternative Real Time Clock Module and is not compatible with this clock kit.
Clock chip and battery can be installed onto the sockets provided on the accelerator.
OKI M6242B (Or Equivalent) Clock Chip
CR1220 Coin Battery
ACA 1230/28 Accelerator