HP Pavilion a400 HP Pavilion Desktop PCs - (English) Users Guide 5990-6416 - Page 126

add-in cards

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installing a memory module 1 See "removing a memory module" on page 117. 2 Holding the new memory module by its edges only, remove it from the antistatic packaging. (Avoid touching the memory chips or the gold contacts on the module.) The memory module has one or two small notches on the lower edge, which fit into raised bumps in the memory socket. 3 Hold the memory module in alignment with the socket, aligning the notches with the bumps. 4 Push straight down on top of the memory module until it is fully seated in the socket. The retaining clips on the ends of the socket automatically lock it into position when the memory module is fully seated. 5 Replace any cabling that was removed. 6 Replace the side panel. See page 101. add-in cards At some point, you may want to add a PCI or an AGP card to the PC to accommodate a new component, such as a scanner, or to upgrade an existing card. WARNING: Do not overload the system by installing add-in cards that draw excessive current. The system is designed to provide 2 amps (average) of +5 V power for each board/card in the PC. The total +5 V current draw in a fully loaded system (one with all addin card slots filled) must not exceed the total number of slots multiplied by 2 amps. removing an add-in card 1 Remove the side panel that has thumbscrews. See page 101. 2 Gently lay the PC on its side. 3 To prepare an empty card slot for a new card, loosen the screw of the expansion slot cover. Remove the cover of the empty slot. 4 If you are replacing a card, make a note of any external or internal cables attached to the card, and then disconnect them. 118 user's guide

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118
user’s guide
installing a memory module
1
See ”removing a
memory module” on
page 117.
2
Holding the new
memory module by its
edges only, remove it
from the antistatic
packaging. (Avoid
touching the memory
chips or the gold
contacts on the
module.) The memory module has one or two small notches on the lower
edge, which fit into raised bumps in the memory socket.
3
Hold the memory module in alignment with the socket, aligning the notches
with the bumps.
4
Push straight down on top of the memory module until it is fully seated in the
socket. The retaining clips on the ends of the socket automatically lock it into
position when the memory module is fully seated.
5
Replace any cabling that was removed.
6
Replace the side panel. See page 101.
add-in cards
At some point, you may want to add a PCI or an AGP card to the PC
to accommodate a new component, such as a scanner, or to upgrade an
existing card.
WARNING: Do not overload the system by installing add-in cards
that draw excessive current. The system is designed to provide
2 amps (average) of +5 V power for each board/card in the PC. The
total +5 V current draw in a fully loaded system (one with all add-
in card slots filled) must not exceed the total number of slots
multiplied by 2 amps.
removing an add-in card
1
Remove the side panel that has thumbscrews. See page 101.
2
Gently lay the PC on its side.
3
To prepare an empty card slot for a new card, loosen the screw of the
expansion slot cover. Remove the cover of the empty slot.
4
If you are replacing a card, make a note of any external or internal cables
attached to the card, and then disconnect them.