ProLiant ML750 Servers
Maintenance and Service Guide
First Edition (March 2001)
Part Number 175749-001
Spare Part Number 233320-001
Compaq Computer Corporation
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Chapter 1
Illustrated Parts Catalog
This chapter provides the illustrated parts breakdown and a spare parts list for the
Compaq ProLiant™ ML750 server. Table 1-1 contains mechanical part descriptions and spare
part numbers. Table 1-2 contains system component descriptions and spare part numbers.
1-2 Compaq ProLiant ML750 Servers Maintenance and Service Guide
Mechanical Parts Exploded View
6g
1
13
11f
12
4
8b
7
8a
5
3
2b
10
6a
2a
9
11e
14a
14c
14b
11k
Figure 1-1. Mechanical parts exploded view
Illustrated Parts Catalog 1-3
Mechanical Spare Parts List
Table 1-1
Mechanical Spare Parts List
Item Description Spare Part Number
Chassis
1 Chassis 126978-001
2 Upper and lower processor guides 126972-001
a) Upper processor support structure
b) Lower processor support structure
3 Top access panel with access key 126979-001
4 Right side access panel 126991-001
5 Left side access panel 126991-001
6 Miscellaneous plastics kit 126983-001
a) Removable media blanking panel
b) Flat ribbon cable clips*
c) Slide fillers*
d) LED holder clip*
e) Expansion board locking lever*
f) Cable grommet*
g) Expansion board guide
7 Hot-plug basket insulator 126980-001
Assemblies
8 Front bezel kit 126992-001
a) Front bezel, opal
b) Removable media trim, opal
9 Ultra2 drive cage with backplane board 126994-001
continued
1-4 Compaq ProLiant ML750 Servers Maintenance and Service Guide
Table 1-1
Mechanical Spare Parts List continued
Item Description Spare Part Number
Miscellaneous
10 Hard drive blanking panel 122759-001
11 Miscellaneous hardware kit 126984-001
a) Memory board retention bracket*
b) Expansion board blanking panel*
c) External SCSI slot blanking panel*
d) Redundant fan slot cover*
e) Extended SCSI dividers
f) Power supply blanking panel
g) Removable media blanking panel EMI shield*
h) Processor cage support brace*
i) Processor board support retainer*
j) Processor board support*
k) Hot-plug drive cage blanking panel
12 Power supply lock bar with lock kit 296201-001
13 Casters 296227-001
14 Baffle kit 126993-001
a) Processor and VRM air baffle
b) Front air baffle
c) Rear air baffle
d) Center plenum main baffle*
*Not shown
Illustrated Parts Catalog 1-5
System Components Exploded View
23
20
26
31
29
22
21
24
32
25
33
27
16
15
35
19
36
37
30
30
28
34
17
18
Figure 1-2. System components exploded view
1-6 Compaq ProLiant ML750 Servers Maintenance and Service Guide
System Components Spare Parts List
Table 1-2
System Components Spare Parts List
Item Description Spare Part Number
Assemblies
15 Hot-plug rear processor fans 126987-001
16 Redundant rear processor fans 126988-001
17 Redundant front processor fans 126990-001
18 Hot-plug front processor fans 126989-001
19 Hot-plug front I/O fan(s) 153312-001
20 Power On/Standby switch with cable and LED 126977-001
21 Integrated Management Display panel with cable 122223-001
System Components
22 Hot-plug power supply, 1150W 122235-001
Boards
23 Power backplane board, 12-blade 126975-001
24 Smart Array 4250ES controller 401858-001
25 NC3134 10/100 TX UTP Network Interface Controller (NIC) 161105-001
26 Memory Module
Memory module, 128-MB, 64-Mb CL2 (Quantity 1) 146488-001
Memory module, 256-MB, 128-Mb, CL2 (Quantity 1) 146489-001
Memory module, 512-MB, 256-Mb, CL2 (Quantity 1) 170515-001
Memory module, 1-GB, 256-Mb, CL2 (Quantity 1) 170518-001
27 Memory board 122215-001
28 Processor board with tray 126973-001
29 Processor
Processor, 700 MHz with 1-MB cache and heatpipe 178943-001
Processor, 700 MHz with 2-MB cache and heatpipe 178944-001
Processor, 900 MHz with 2-MB cache and heatpipe 232388-001
30 Processor Power Module (VRM) 312257-001
continued
Illustrated Parts Catalog 1-7
Table 1-2
System Components Spare Parts List continued
Item Description Spare Part Number
31 Processor terminator board 312334-001
32 I/O system board 126982-003
33 PCI Hot Plug switch board with cable 126981-001
34 Hot Plug I/O fan board assembly 312344-001
Mass Storage
35 24X Max IDE slimline CD-ROM/1.44-MB diskette drive assembly 126974-001
36 Hard Drive
9.1-GB 1-inch 10,000 rpm Ultra2 hard drive with tray 386536-001
18.2-GB 1-inch 10,000 rpm Ultra2 hard drive with tray 143920-001
9.1-GB 1-inch 10,000 rpm Ultra3 hard drive with tray 152188-001
18.2-GB 1-inch 10,000 rpm Ultra3 hard drive with tray 152190-001
36.4-GB 1-inch 10,000 rpm Ultra3 hard drive with tray 177986-001
9.1-GB 1-inch 15,000 rpm Ultra3 hard drive with tray 189393-001
18.2-GB 1-inch 15,000 rpm Ultra3 hard drive with tray 189395-001
Miscellaneous
37 4.5V battery replacement 160274-001
38 Miscellaneous screw kit* 154954-001
a) Screw, taptite, T-15, oval-head
b) Screw, 6-32 × 0.312 inch, TF, HI/TP
c) Screw, shoulder, 6-32 × 0.335 inch, Torx-15
d) Screw/washer
39 Miscellaneous power cable kit* 126986-001
a) PCI Hot Plug, 50P, 8-inch power cable
b) 8-inch signal/power cable
c) Media bay 2 device power cable
d) External fan hot-plug power cable
e) Internal fan hot-plug power cable
f) 10-position, 6A, 6-inch power cable
g) 14-position, 9A, 17-inch power cable
h) 16-position, 9A, 17-inch power cable
I) 18-position, 9A, 19-inch power cable
j) 22-position, 9A, 18-inch power cable
continued