HP 12201-69104 - Sequencer board - Has base set EPROM`S - Sequencer Board - Has Base Set EPROM`s (Goes in Slot 2) Retail
HP 12008-69002 - PROM storage board - For PROM stored software - PROM Storage Board - for PROM Stored Software (12008A) Retail
HP C1705-60339 - PROM kit - For the auto-changer controller PC board - Includes all four PROMS Retail
HP A1809-69001 - Backplane board - Has front and rear slots for the processor(s), memory, and bus converter boards - Backplane Board - in the Center of the Upper Card Cage (PMB) - Has Front and Rear Slots for the Processor(s), Memory, and Bus Convert Retail
