In episode 3 I took apart a cash register, the Samsung SER6540II.

Manuals:

• Operator's Manual
• Program Manual
• Service Manual

Data sheets of the components used:

• keyboard controller: Winbond W78C32C
• keyboard controller RAM: Samsung K6T4008C1B
• Ethernet transceiver: Motorola MC68160AFB
• main CPU: Motorola MC68EN302
• flash memory: AMD AM29LV160DT-70EC
• real time clock: Ricoh RF5C15
• vacuum fluorescent tube driver: Supertex HV518

All provided manual and data sheets are only provided for backup purposes.