Specifications

Power Flow
The following diagram shows the right side of the system with the cover removed.
1
2
3
45
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1 110 V ac/220 V ac power into system
board assembly
11 Power 1 to DASD bay 1 (DB1)
2 110 V ac/220 V ac power into power
supply V1
12 Power 1 to DASD bay 2 (DB2)
3 2.5 V dc out of power supply V1 into
system board
13 Power to cooling fans
4 2.5/3.3 V dc out of power supply V1 into
system board
14 Power 2 to DASD bay 2 (DB2)
5 3.3 V dc out of power supply V1 into
system board
15 Signal to diskette drive
6 5 V dc out of power supply V1 into
system board
16 I2C to DASD bay 2 (DB2)
7 Ground out of power supply V1 into
system board
17 Power to diskette drive
8 12 V dc out of power supply V1 into
system board
18 Signal to operator panel
9 I2C to DASD bay 1 (DB1) 19 Power to media drive bay
10 Power 2 to DASD bay 1 (DB1) 20 Power 1 to two-position disk drive bay 3
(DB3)
Chapter 1. Reference Information
7