Appendix A System Views A-3
Location
Number Component
1 60-mm fan (FAN_B#0)
2 60-mm fan (FAN_B#1)
3 Topcover
4 Fan cover
5 Backplane Unit (BPU_A - includes IOBP,Power
distribution board)
6 172-mm fan backplane (FANBP_A)
7 60-mm fan backplane (FANBP_B)
8 Tapedrive backplane (TAPEBP)
9 Harddisk drive backplane (HDDBP#0)
10 CD-RW/DVD-RWbackplane (DVDBP_A)
11 CD-RW/DVD-RWdrive unit (DVDU)
12 Harddisk drive (HDD#1)
13 Harddisk drive (HDD#0)
14 Tapedrive unit (TAPEU)*
15 Faceplate
16 Power supply unit (PSU#0)
17 Power supply unit (PSU#1)
18 Operator panel (OPNL)
19 172-mm fan module (FAN_A#0)
20 172-mm fan module (FAN_A#1)
21 DC-DC Converter (DDC_B#0)
22 DC-DC Converter (DDC_A#0)
23 DC-DC Converter (DDC_A#1)
24 Motherboardunit (MBU_A)
25 Motherboardcarriage
26 CPU module (CPUM#1)
27 CPU module (CPUM#0)
28 Memory board(MEMB#3)
29 Memory board(MEMB#2)