Date   
9825 ROM behavior By Paul Birkel · #158 ·
HP 2645A and "Cataract" Repair By Paul Birkel · #235 ·
HP 2645A and "Cataract" Repair By Paul Birkel · #237 ·
HP 2645A and "Cataract" Repair By Paul Birkel · #239 ·
HP part numbers reference list? By Paul Birkel · #383 ·
Data Logging Like It’s 1982 By Paul Birkel · #954 ·
WTB HP 1000, 2113B, 21MX, ... *** EXTENDER CARD **** ( for I/O Cards ) By Paul Birkel · #1558 ·
BASIC for HP 1000, 21xx series By Paul Birkel · #1571 ·
First message to this group By Paul Birkel · #1650 ·
HP 1000 A900 Questions By Paul Birkel · #1700 ·
HP 1000 A900 By Paul Birkel · #1751 ·
HP 1000 A900 By Paul Birkel · #1752 ·
HP 1000 A900 By Paul Birkel · #1755 ·
HP 1000 A900 By Paul Birkel · #1758 ·
HP 1000 A900 By Paul Birkel · #1759 ·
HP 1000 A900 By Paul Birkel · #1766 ·
HP 1000 A900 By Paul Birkel · #1772 ·
HP 1000 A900 By Paul Birkel · #1773 ·
HP 1000 A900 By Paul Birkel · #1774 ·
HP-1000 Family By Paul Birkel · #1844 ·
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