diff --git a/buffer/emul.py b/buffer/emul.py
index 0f40893..a84df34 100644
--- a/buffer/emul.py
+++ b/buffer/emul.py
@@ -9,6 +9,8 @@ class XTermBuffer(Buffer, XTerm):
     btype    = 'term'
     modename = 'pipe'
     termtype = 'xterm'
+    delay    = 0.1
+    bufsize  = 8192
     def __init__(self, app, cmd, args, name=None):
         XTerm.__init__(self)
         Buffer.__init__(self)
@@ -131,11 +133,11 @@ class XTermBuffer(Buffer, XTerm):
                 if pid:
                     break
                 if self._towrite:
-                    ifd, ofd, efd = select.select([fd], [fd], [fd], 0.01)
+                    ifd, ofd, efd = select.select([fd], [fd], [fd], self.delay)
                 else:
-                    ifd, ofd, efd = select.select([fd], [], [fd], 0.01)
+                    ifd, ofd, efd = select.select([fd], [], [fd], self.delay)
                 if ifd:
-                    data = os.read(ifd[0], 1024)
+                    data = os.read(ifd[0], self.bufsize)
                     self.term_receive(data)
                     self.application.need_draw = True
                 if ofd: