Digital Equipment Corporation DEC 3000 Model 300 Series AXP Error 50: PATT 1: Fill video RAM

DEC 3000 Model 300 Series AXP system · taken from the manufacturer’s manual, pages cited

Error code50

Single-bit error occurred in a field of 1's, LANCE interrupts failed to initialize, or SCC I/K401 test timed out during PATT 1: Fill video RAM. The manual's first action is: “Memory module”

Model
Digital Equipment Corporation DEC 3000 Model 300 Series AXP
Display shows
PATT 1: Fill video RAM (50)
Type
Error code
Source
Manual p. 52

What 50 means

PATT 1: Fill video RAM p. 59

Common causes

  • Single-bit error, 0 in a field of 1's test p. 59
  • LANCE interrupts: initialization failed p. 59
  • SCC I/K401 test has failed due to transfer timeout p. 59

What to do

  1. Memory module p. 59
  2. Keyboard, system module p. 59

Before you service the product, read the safety instructions in the manual p. 12.

If 50 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Digital Equipment Corporation service.

Open the manual at page 52 All DEC 3000 Model 300 Series AXP error codes Manual details & download

This page summarises what the manufacturer’s manual says about 50; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Digital Equipment Corporation. Found a mistake? Report an error.