dmbsp(4) — VAX
Name
dmbsp − DMB32 serial printer interface
Syntax
device dmb0 at vaxbi? node? flags 0x????
vector dmbsint dmbaint dmblint
Description
A DMB32 supports a connection to a line printer through the line printer port of the DMB32.
Bits 8-15 of the flags longword specify the number of columns per line on the line printer. If 0 is specified, 132 columns are used. Bits 16-23 specify the number of lines per page. If 0 is specified, 66 are used.
Diagnostics
dmb%d: Line Printer Disconnected.
This message occurs if an open is performed on the printer port when the DMB32 detects that there is no printer cable connected.
dmb%d: Printer DMA Error
A DMA output transfer to the printer failed. This can be caused by a memory error or an invalid pte (page table entry).
Files
/dev/lp?