HP Pro Tower 400 G9 PCI Desktop PC Maintenance and Service Guide - Page 35

Expansion card

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1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery (1). When the battery pops up, lift it out (2). 2. Slide the replacement battery into position with the positive side up. The battery holder automatically secures the battery in the proper position. Expansion card The computer has one PCI Express ×1 expansion socket, one PCI Express ×16 expansion socket, and one PCI ×1 expansion socket. For a list of available expansion cards, see Computer major components on page 5. NOTE: You can install a PCI Express ×1, ×8, or ×16 expansion card in the PCI Express ×16 socket. For dual graphics card configurations, you must install the first (primary) card in the PCI Express ×16 socket. Before replacing the expansion modules, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 19). 2. Remove the access panel (see Access panel on page 19). To replace or add an expansion card: 1. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. 28 Chapter 4 Removal and replacement procedures

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1.
To release the battery from its holder, squeeze the metal clamp that extends above one edge of the
battery
(1)
. When the battery pops up, lift it out
(2)
.
2.
Slide the replacement battery into position with the positive side up. The battery holder automatically
secures the battery in the proper position.
Expansion card
The computer has one PCI Express ×1 expansion socket, one PCI Express ×16 expansion socket, and one PCI
×1 expansion socket.
For a list of available expansion cards, see
Computer major components
on page
5
.
NOTE:
You can install a PCI Express ×1, ×8, or ×16 expansion card in the PCI Express ×16 socket.
For dual graphics card configurations, you must install the first (primary) card in the PCI Express ×16 socket.
Before replacing the expansion modules, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
19
).
2.
Remove the access panel (see
Access panel
on page
19
).
To replace or add an expansion card:
1.
Locate the correct vacant expansion socket on the system board and the corresponding expansion slot
on the back of the computer chassis.
28
Chapter 4
Removal and replacement procedures