[Info-vax] QIO Writes to a mailbox

[JF Mezei]

Jim Duff wrote:

> 
> Remind me not to hire you as a programmer, as QIO vs QIOW sure does make
> a difference.

I am asking in the specific case of the mailbox driver which is an
in-memory construct and the driver does not have to wait for some device
to rotate to a specific location before the write can be made, or send
the data out at low speed over a 110baud line.