"DPGraph runs with the aid of a free program called Wine. Wine translates Windows system calls into Linux system calls, allowing many Windows programs to run under Linux. Wine is a work in progress, but DPGraph runs fairly nicely under recent versions." (David Parker).

486 processor
16 MB of RAM
.2 MB of free hard drive space (for DP Graph only)

  RedHat Enterprise 3.0, 4.0
  SuSe 9.2, 10.1, 10.2,
 

650 MHz Intel Pentium III processor or equivalent
512 MB of RAM
650 MB of free hard drive space
See details for 64-bit requirements

Red Hat Enterprise Linux v.4 and above
Fedora Core 4 and above
Debian 3.1 and above

64 bit: SuSE 9.3 and above

32-bit R2007a requires a Linux distribution built using Kernel 2.4.x or 2.6.x and glibc (glibc6) 2.3.2 or higher; 64-bit R2007a requires a Linux distribution built using Kernel 2.4.x or 2.6.x and glibc (glibc6) 2.3.4 or higher.

Pentium  IV processor
1024 MB of RAM 
500 MB of free hard drive space
Details

Sun™ SPARCstation®
Solaris™ 8, 9, or 10
256MB of RAM
256–512MB of swap space
550–820MB of available hard-disk space
X Window System™ X11R5 or X11R6