HP TC2120 - Manual (Page 117)

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Chapter 8 Parts Identification
* This part is not on an exploded view
**This Part Number is revised with each new release
19c Hard Disk Drive 36 GB, 10K RPM (SCSI model) 177987-001
20 Drive Cage and Rails 311176-001
21 I/O Panel, Rear Not available
22/30 System Board 311185-001
23 Slot Cover 311184-001
24 Slot Cover Latch 311184-001
25 Chassis Fan 311175-001
26 Power Supply, 250 W 311178-001
27 CPU heat sink/fan assembly 294988-001
28a Northwood Pentium 4, 2.4 GHz processor 311183-001
28b Celeron, 1.8 GHz processor 311182-001
29a DIMM, 128 MB 301681-001
29b DIMM, 256 MB 300699-001
29c DIMM, 512 MB 300700-001
29d DIMM, 1GB 300701-001
31 Battery 234556-001
32 SCSI Controller Board (SCSI Model only) 311734-001
* Keylock assembly 311180-001
* Chassis Intruder Switch 311179-001
* Mouse 334684-005
** HP Startup CD-ROM
* Hardware Kit (Screws, Slot Cover) 311184-001
* Return Kit (Shipping box for return of hp server) 311732-001