Slots; Power Supply Attachments - Albatron P4M800 Pro User Manual

Slots

AGP Slot: AGP
The mainboard supports to install an extra graphics card with AGP interface in order to improve your
display efficiency and performance. The AGP slot comes with AGP 3.0 specification and supports 8x
graphics card installation but 1.5 V only.
PCI Slots: PCI1/2/3
This mainboard provides three standard 32-bit PCI slots. PCI stands for Peripheral Component
Interconnect and is a bus standard for installing expansion cards, such as network card and SCSI card,
to these PCI slots.

Power Supply Attachments

ATX Power Connector: ATX_PWR, ATX_12V
This mainboard provides two ATX power connectors, a 24-pin ATX_PWR connector and a 4-pin
ATX_12V connector. You must use a power supply that has both of these connectors, and both
connectors must be attached before the system is powered on. These power connectors support several
power management functions, such as the instant power-on function. The connector pins are described
below.
ATX_PWR
Pin Assignment
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 PW_ON
9 +5V standby voltage
10 +12V
11 +12V
12 +3.3V
16
Pin Assignment
13 +3.3V
14 -12V
15 Ground
16 PS_ON
17 Ground
18 Ground
19 Ground
20 -5V
21 +5V
22 +5V
23 +5V
24 Ground