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Netra t 1120/1125 Service Manual • August 1998
10.3
NVRAM/TOD
Note –
The NVRAM/TOD contains the system host identification (ID) and Ethernet
address. If the same ID and Ethernet address are to be used on the replacement
motherboard, remove the NVRAM/TOD from the motherboard and install the same
NVRAM/TOD on the replacement motherboard after installation.
10.3.1
To Remove the NVRAM/TOD
Caution –
Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
1. Attach the wrist strap.
See Section 7.1 “To Attach the Wrist Strap” on page 7-1.
2. Power off the system and remove the input power connector(s).
See Section 6.2 “To Power Off the System” on page 6-3.
3. Remove the top access cover.
See Section 7.2 “To Remove the Top Access Cover” on page 7-4.
4. Remove the power supply from the system (without disconnecting the cables) and
rest it on the enclosure.
See Section 8.1.1 “To Remove the Power Supply” on page 8-1.
5. Locate the NVRAM/TOD and carrier on the motherboard.
6. Grasp the NVRAM/TOD carrier at each end and pull straight up.
Note –
Gently rock the NVRAM/TOD from side to side as necessary.
7. Place the NVRAM/TOD and carrier on an ESD mat.
!
Содержание Netra t 1120
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Страница 62: ...6 4 Netra t 1120 1125 Service Manual August 1998 FIGURE 6 2 System Power Off Front Panel 1125...
Страница 65: ...Chapter 7 Internal Access 7 3 FIGURE 7 2 Attaching the Wrist Strap to the Rear of the Chassis...
Страница 67: ...Chapter 7 Internal Access 7 5 FIGURE 7 3 Removing the Top Access Cover 1125 Screws Tab...
Страница 69: ...Chapter 7 Internal Access 7 7 4 Replace the two fixing screws FIGURE 7 4 Replacing the Top Access Cover 1125...
Страница 70: ...7 8 Netra t 1120 1125 Service Manual August 1998...
Страница 80: ...8 10 Netra t 1120 1125 Service Manual August 1998 FIGURE 8 6 Removing and Replacing the LED Card 1125 LED card...
Страница 82: ...8 12 Netra t 1120 1125 Service Manual August 1998...
Страница 85: ...Chapter 9 Storage Devices 9 3 FIGURE 9 1 Removing and Replacing a Hard Disk Drive...
Страница 92: ...9 10 Netra t 1120 1125 Service Manual August 1998...
Страница 100: ...10 8 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 4 Removing and Replacing the System Fan Assembly System fan...
Страница 106: ...10 14 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 6 Removing and Replacing a PCI Card 1125 PCI card...
Страница 114: ...10 22 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 9 Removing and Replacing the Alarms Card 1125 Alarms card...
Страница 122: ...10 30 Netra t 1120 1125 Service Manual August 1998...
Страница 124: ...A 2 Netra t 1120 1125 Service Manual August 1998 FIGURE A 1 System Exploded View 1 2 3 4 5 6 8 9 10 11 7 12 13 14...
Страница 130: ...B 4 Netra t 1120 1125 Service Manual August 1998...
Страница 148: ...Index 4 Service Manual August 1998...