DEC PDP-8 Paper Tapes?

From: Christopher McNabb <>
Date: Sat Jan 11 16:31:00 2003

On Sat, 2003-01-11 at 12:34, Joe wrote:
> The label on one of them also says "Memory CKR BRD (LOW)",
> "Memory CKR BRD (HIGH)", "Memory ADDR BRD (LOW)", "Memory ADDR BRD (HIGH)".
> That one also has "PDP-8" written on it in pencil. So I'm guessing that these
> are all for the PDP-8. The tapes are marked variously "DB3",
> "DB4 SIMAT #1 3 SW TEST", "PAL III", "Combined BB#51, INT #15,
> CORR #21 and Patches 1-11". Does anyone know what these titles mean?

Well, PAL III would be the PAL III assembler. The ones with Memory in
the title are diagnostic routines for checking the core memory. Not
sure what the others are.

Christopher L McNabb
Operating Systems Analyst         Email:
Virginia Tech                     ICBM:  37.1356N 80.4272N
GMRS: WPSR255                     ARS:   N2UX  Grid Sq: EM97SD
Received on Sat Jan 11 2003 - 16:31:00 GMT

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