also holy crap. I know it's a proto (V5 5000 32MB agp 4x), but still, 4K is insane.
"The DS12CR887 EDIP integrates a DS12R885 die with a crystal and battery. The charging circuit on the DS12R885 die is disabled. The battery has sufficient capacity to power the oscillator and registers for five years in the absence of VCC at +25°C."