Logic board (mother board) from a MHz iMac G3 with slot loading optical drive. The iMac G3, originally released as the iMac, is a series of Macintosh personal computers that Apple Computer sold from to The iMac was Apple's. Includes 2 x USB 1 ports, MB EtherNet, 56K Modem and audio in & out. Based on this photograph from Flickr, photographed by Sjur Rasmus Rockwell Djupedal (sdjupedal) and. iMac (Slot Loading) - Technical Specifications ; Processor: G3, or MHz ; PMMU: integrated ; FPU: integrated ; Data Path: MHz ; L1 Cache. Dates sold, processor type, memory info, hard drive details. . Technical specifications for the iMac G3/ DV SE (Slot Loading). A indigo second-generation iMac with slot-loading CD-ROM. The Apple iMac G3/ DV (Slot Loading - Fruit Colors), based on the Kihei architecture, features a MHz PowerPC (G3) processor, k.