photo 1 - the backside of a DI, Fan plate removed

photo 2 - Front of a DI

photo 3 - 3D view

photo 4 - MPB (Main Processor Board, 8Mhz 68000)

photo 5 - PMM (Private main Memory - 128KB)

photo 6 - SMM (System Main Memory - 1MB)

photo 7 - CIM (Communications Interface Module with 68000 CPU)

photo 8 - ESCI (Ethernet Serial Communication Inteface with 68000 CPU)

photo 9 - MDI (Mainframe Device Interface - Interrupt driven by MPB)

photo 10 - SMM4 (System Main Memory - 4MB)

photo 11 - MPB2 (Main Processor Board version 2, 20Mhz 68030)

photo 12 - 2 port V35 LIM (Line Interface

photo 13 - 4 port V24 LIM (sync and async)

photo 14 - 8 port V24 LIM (async only)

photo 15 - Cyber Channel Cable to MDI board

photo 16 - Ethernet cable to ESCI board

photo 17 - CIM to LIMs cable

photo 18 - Back of a filled DI

photo 19 - And the fromt MPB, PMM, 3x SMM, CIM, ESCI and MDI

photo 20 - The fan assembly

photo 21 - And yes, Older DI boxes where "BabyShit Yellow" (Harvest Gold)

photo 22 - DI Powered up, telling "I don't know who I am" (no battery for clock chip)

file artecs_DCI Design spec.pdf - EMSD (click on icon below)