From 2a0fdd998d2a16768cd72615ce5f6ed9c821e30f Mon Sep 17 00:00:00 2001 From: Michael Lucas Date: Tue, 22 Jan 2002 14:21:28 +0000 Subject: [PATCH] Add a bit more detail about polled mode versus interrupt mode, including hints about printer speed in various modes. Text frappe'd from FAQ. --- en_US.ISO8859-1/books/handbook/printing/chapter.sgml | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/en_US.ISO8859-1/books/handbook/printing/chapter.sgml b/en_US.ISO8859-1/books/handbook/printing/chapter.sgml index 345c8c6e69..bda9a31875 100644 --- a/en_US.ISO8859-1/books/handbook/printing/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/printing/chapter.sgml @@ -571,9 +571,9 @@ sio2: type 16550A - The interrupt-driven method is somewhat faster but uses up - a precious IRQ line. You should use whichever one - works. + The interrupt-driven method is usually somewhat faster but uses up + a precious IRQ line. Some newer HP printers are claimed not to work correctly in interrupt mode, apparently due to some (not yet exactly understood) timing problem. These printers need polled mode. You should use whichever one + works. Some printers will work in both modes, but are painfully slow in interrupt mode. You can set the communications mode in two ways: by configuring the kernel or by using the &man.lptcontrol.8;