HP E2479A, 16500A-C, 16500B-C Upgrade Installation Procedures

HP E2479A UPGRADE INSTALLATION PROCEDURES

MODEL 16500A-C OR 16500B-C

Tools Required:

l T10 Torx Screwdriver
l T15 Torx Screwdriver
l T25 Torx Screwdriver
l Posidrive Screwdriver
l Small Slot Head Screwdriver
l Long Nosed Pliers

Tools Recommended:

l Frame protector (HP part # 5040-7231) to protect front frame from damage

l

Padded work service to protect parts from breakage

l Double-sided foam tape (HP part # 0460-1992) for cable management

Cables included in the HP E2479A Upgrade Kit are shown below and listed in the

HP E2479A Upgrade Kit Parts List on page 3:

Video Control

10-pin
Front Panel
Cable
16500-61601

source: /std/16500/cables.pre freelance

Cable
16500-61605

Hard Disk
Drive

Power Cable
16500-61612

Flexible Disk
Drive Cable
16500-61609

Hard Disk
Drive

Data Cable
16500-61611

Video Signal
Cable
16500-61613
(10 x40)

Flexible Disk
Drive Power
Cable
16500-61622

HP E2479A Upgrade Procedures 1

E2479A Upgrade Kit

The E2479A Upgrade Kit contains the following new assemblies, parts, and cables.
Part numbers for this kit are listed in the 16500C Upgrade Parts List table.

HP E2479A Upgrade Procedures 2

Assembly/Part

HP E2479A UPGRADE KIT PARTS LIST

16500A 16500B 16500C Description Step

Front Panel Assembly discard
Front Panel 10-Pin Cable discard 16500-61601 16500-61601 Connects motherboard to front panel assembly 7
Video Control Cable discard 16500-61605 16500-61605 Connects front panel to color monitor 7
Rear Panel Assembly discard discard 16500-60203 New assembly for Model C 3
Side Fan Bracket Assembly discard discard 16500-01214 Attaches to side fan to frame 4
Flexible Disk Drive discard discard 0950-2656 New part for Model C 13
Rear Floppy Drive discard N/A N/A In Model A only
Flexible Disk Drive Cable discard 16500-61609 16500-61609 Connects to flex. disk drive and to CPU board 12
Flexible Disk Drive Power

Cable
Flexible Disk Drive Shield N/A discard 16500-00606 New shield for Model C 12
Hard Disk Drive N/A discard 0950-2983 New drive for Model C 5
Hard Disk Drive Data Cable N/A 16500-61611 16500-61611 Connects to hard disk drive and to CPU board 5
Hard Disk Drive Power Cable N/A 16500-61612 16500-61612 Connects to hard disk drive and CPU board 5

N/A N/A 16500-61622 Connects to flexible disk drive and CPU board 12

discard

16500-60202 New assembly for Model C 7

CPU Board Assembly discard discard 16500-66524 New board for Model C (includes pre-installed LAN

module

Video Signal Cable (10x40) discard 16500-61613 16500-61613 Connects to color monitor and CPU board 8

HP E2479A Upgrade Procedures 3

7

Disassembly Procedure:

(See Figure 1 for Steps 1-6: Removing Outer Trim, Covers, and Panels)

1. Remove top trim from top front frame, using a small, flat blade screwdriver.

2. Remove 4 rear feet using a T10 Torx screwdriver.

3. Remove top cover using a T15 Torx screwdriver (one screw, at top of rear cover. Note that a
Posidrive screw was used on earlier units). Lift cover up and lift out.

4. Remove center screw in right side panel, using a T15 Torx (Note that a Posidrive screw was
used on earlier units).

5. Remove handle caps and handle straps from left side panel (1 screw on each end) using a T25
Torx screwdriver. Panel slides out.

6. Remove center screw in bottom panel and slide panel out.

ALL OF THE ABOVE PARTS WILL BE USED FOR REASSEMBLY

Figure 1. Removing Outer Trim, Covers, and Panels

HP E2479A Upgrade Procedures 4

(See Figure 2 for Step 7: Removing the Front Panel Assembly)

7. Remove front panel assembly including the thin metal shield. The assembly will not be
reused.

a. Remove 4 screws from top of front panel assembly with T15 Torx screwdriver.
b. Turn unit over.
c. Remove 4 screws from bottom of front panel assembly.
d. Disconnect 10-pin and Video Control Cable.
e. Remove front panel assembly.
f. Turn unit over (right side up).

Figure 2. Removing the Front Panel Assembly

HP E2479A Upgrade Procedures 5

(See Figure 3 for Step 8: Removing the Front Disk Drive and Shield)

8. Remove front disk drive and disk drive shield. Disk drive and shield will not be reused.
a. Remove disk drive shield (2 screws) with a T10 Torx screwdriver. Save screws for

reassembly.
b. Disconnect disk drive cable located at rear of disk drive.
c. Remove disk drive.

Figure 3. Removing the Front Disk Drive and Shield

HP E2479A Upgrade Procedures 6

(See Figure 4 for Step 9: Removing the Rear Fan Assembly)

9. Remove rear fan assembly (4 screws, left and right sides) using a T10 Torx screwdriver.
Disconnect (sideways) power cord to fan (may require pliers). Save screws and fan assembly
for reassembly. Will be reused.

Figure 4. Removing the Rear Fan Assembly

HP E2479A Upgrade Procedures 7

(See Figure 5 for Steps 10-11: Removing the Power Supply Rear Panel and Power
Supply)

10. Remove power supply rear panel (3 screws located by On/Off Switch), using a T10 Torx
screwdriver. Save for reassembly.

11. Remove power supply (4 screws, 2 in rear frame and 2 in bottom board of power supply)
using a T15 Torx screwdriver (slide toward rear of unit, lift up, then slide toward front of
unit). Disconnect 3-wire (5-pin) cable assembly at power supply end. Save for reassembly.

Figure 5. Removing the Power Supply Rear Panel and Power Supply

HP E2479A Upgrade Procedures 8