Ok, I got the specs from the site Adambyte provided. My old Mac is a Performa 6360
Details
6300/160 introduced October 1, 1996; discontinued
6360 introduced October 1, 1996; discontinued
requires System 7.5.1 through 9.1
CPU: 160 MHz PPC 603e
bus: 40 MHz
performance: XXX (relative to SE)
ROM: 4 MB
RAM: 16 MB (8 MB on motherboard), expandable to 136 MB using two 8, 16, 32, or 64 MB 70ns or faster 168-pin DIMMs
VRAM: 1 MB
Video: thousands of colors to 800x600, 256 colors to 1024x768
L2 cache: optional, up to 1 MB
hard drive: 1.2 GB IDE
CD-ROM: 8x
ADB port for keyboard and mouse
DIN-8 GeoPorts on back of computer
DB-25 SCSI connector on back of computer
video input slot
video out port
Comm II slot, occupied by 28.8 kbps modem
one PCI slot
Gestalt ID: 58
Size (HxWxD): 4.3" x 12.6" x 16.5"
weight: 17 pounds
Ok, I know I can upgrade it up to 9.1 and is it possible to use a G3? Or use the very same harddrive used for my mac? All I got is the monitor, keyboard, and mouse. I gotta admit that I'm no real computer whiz, I only know very little about computer specs and stuff like that.