Use 16 bpp with GRASS

[Der-Johng Sun]

PS. I get the Error Message such below .....
===================================================================
Mapset <botany> in Location <TWR>
GRASS 4.1 > d.mon x1
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  78 (X_CreateColormap)
  Serial number of failed request:  73
  Current serial number in output stream:  74
Please start graphics monitor <x1>.
Error - Graphics monitor <x1> not running!
Problem selecting x1. Will try once more
Please start graphics monitor <x1>.
Error - Graphics monitor <x1> not running!

Mapset <botany> in Location <TWR>
GRASS 4.1 >                         
=======================================================================

Thank you again.
Grass User
Der-Johng Sun <r3206009 at cc.ntu.edu.tw>