FUJITSU SPARC ENTERPRISE M8000 - Manual (Page 201)

Chapter 7 I/O Unit (IOU) Replacement 7-7
FIGURE 7-5 IOU Mounting Locations (Rear of M9000 with the Expansion Cabinet)
TABLE 7-1 lists the abbreviated names and component numbers of the IOUs.
TABLE 7-1 Abbreviated Names and Component Numbers of IOUs
Model name Abbreviated names and numbers
M8000 IOU#0 to 3
M9000 base cabinet IOU#0, 2, 4, and 6 (front)
IOU#1, 3, 5, and 7 (rear)
M9000 expansion cabinet IOU#8, 10, 12, and 14 (front)
IOU#9, 11, 13, and 15 (rear)
IOU#15
IOU#13
IOU#11
IOU#9
IOU#7
IOU#5
IOU#3
IOU#1