Function of the card:
Complementry emitter follower
Complementary Emitter Follower
Complementary emitter follower
Comp emitter follower
Part number: 372244
Customer Eng reference number: 734338
PCB number: 484995
Used in: IBM 1311 Disk, IBM 1443 Printer, IBM 2821 Control Unit
Cap code: None (details)
Symbol: CEF
References: National Museum of Computing.
IBM 2821 CCD, p33
IBM 1311 ILD, p95
IBM 1443 ALD, p86
Coslet data
The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.