Model 825 - Power cable harness assembly . . . . . . . . . . . . . . . . . . . .41
Model 825 - Power supply P01 and P02 . . . . . . . . . . . . . . . . . . . . . .42
Model 825 - Removable media - D17 and D18 . . . . . . . . . . . . . . . . . . . .43
Model 825 - System unit backplane - CB1 and Power bus bar assembly . . . . . . . . . .45
Model 825 - Time of day (TOD) battery . . . . . . . . . . . . . . . . . . . . . .49
Models 830/SB2 remove and replace procedures . . . . . . . . . . . . . . . . . . . .49
Models 830/SB2 with FC 9074 (with single line cord) - AC input/charger (A01) . . . . . . . .50
Model 830 with FC 9074, Model 840 with FC 9079 or FC 8079 (with dual line cords) - AC module
(A01, A02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Models 830/SB2 with FC 9074 - Air moving device - BP1 and BP2 . . . . . . . . . . . .51
Models 830/SB2 with FC 9074 - Battery (T01 through T04) . . . . . . . . . . . . . . .51
Models 830/SB2 with FC 9074 - Cards (concurrent) . . . . . . . . . . . . . . . . . .52
Models 830/SB2 with FC 9074 - Cards (dedicated) . . . . . . . . . . . . . . . . . .54
Models 830/SB2 with FC 9074 - Covers . . . . . . . . . . . . . . . . . . . . . .58
Model 830/SB2 - Device board (DB1 and DB2) . . . . . . . . . . . . . . . . . . .59
Models 830/SB2 - Device board (DB3) . . . . . . . . . . . . . . . . . . . . . .61
Disk unit, Models 830/SB2 and 840/SB3 (dedicated and concurrent) . . . . . . . . . . . .62
Models 830/SB2 with FC 9074 - System unit control panel (NB1) . . . . . . . . . . . . .64
Models 830/SB2 with FC 9074 - Power distribution backplane (PB1) . . . . . . . . . . .66
Models 830/SB2 with FC 9074 - Power supply (PP1 and PP2) . . . . . . . . . . . . . .67
Model 830/SB2 - Processor feature codes and CCINs . . . . . . . . . . . . . . . . .68
Models 830/SB2 with FC 9074 - Removable media (D41 and D42) . . . . . . . . . . . .68
Laser safety information . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Models 830/SB2 with FC 9074 - System unit backplane (MB1) . . . . . . . . . . . . . .70
Models 830/SB2 with FC 9074 - Time of day (TOD) battery . . . . . . . . . . . . . . .71
Models 830/SB2 with FC 9074 - Tower card (CB1) . . . . . . . . . . . . . . . . . .72
Models 840/SB3 remove and replace procedures . . . . . . . . . . . . . . . . . . . .73
Models 840/SB3 processor tower (with non-dual line cords) - AC box (A01) . . . . . . . . .74
Models 840/SB3 Processor Tower (with dual line cords) - AC box (A01, A03) - concurrent
maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Model 830 with FC 9074, Model 840 with FC 9079 or FC 8079 (with dual line cords) - AC module
(A01, A02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Models 840/SB3 Processor Tower (with dual line cords) - concurrent maintenance adapter card
(A02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Models 840/SB3 processor tower - Air moving device (B01, B02, B03, and B04) . . . . . . .75
Model 840/SB3 System unit - Battery pack (T01) . . . . . . . . . . . . . . . . . . .76
Models 840/SB3, FC 8079-001 (lower half), FC 9079 cards (concurrent) . . . . . . . . . .76
Models 840/SB3, FC 8079-001 (lower half), FC 9079 cards (dedicated) . . . . . . . . . .78
Models 840/SB3 system unit - Charger (G01) . . . . . . . . . . . . . . . . . . . .80
Models 840/SB3 - Covers . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Model 840/SB3 processor tower, FC 8079 (lower half), and FC 9079 - Control panel (NB1) . . .80
Disk unit, Models 830/SB2 and 840/SB3 (dedicated and concurrent) . . . . . . . . . . . .82
Models 840 or SB3 external battery power unit . . . . . . . . . . . . . . . . . . .85
Models 840/SB3 system unit - Power subframe assembly (PB1) . . . . . . . . . . . . .85
Models 840/SB3 processor tower - Power supply (PS) (P01 through P06) . . . . . . . . .86
FC 5074, FC 5079, FC 9079 - Removable media - D41 and D42 . . . . . . . . . . . . .87
Models 840/SB3 system unit - SPCN card (R21) . . . . . . . . . . . . . . . . . . .89
Models 840/SB3 - System unit backplane (MB1) and regulator board (RB1) . . . . . . . . .90
Models 840/SB3 (FC 9079) - Time of day (TOD) battery . . . . . . . . . . . . . . . .91
Models 870 and 890 remove and replace procedures . . . . . . . . . . . . . . . . . .92
Models 870 and 890 - Bulk power controller (BPC) . . . . . . . . . . . . . . . . . .93
Models 870 and 890 - Bulk power distribution (BPD) . . . . . . . . . . . . . . . . .94
Models 870 and 890 - Bulk power enclosure (BPE) . . . . . . . . . . . . . . . . . .95
Models 870 and 890 - Bulk Power F-airmover (BPF) . . . . . . . . . . . . . . . . .95
Models 870 and 890 - Bulk power regulator (BPR) . . . . . . . . . . . . . . . . . .96
Models 870 and 890 - Capacitor books and blanks . . . . . . . . . . . . . . . . . .97
iv Hardware (Remove and Replace; Part Locations and Listings)