Asus B75M-PLUS B75M-PLUS User's Manual - Page 19

Jumpers, PCI Express 3.0/2.0 x1 slot - ram

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1.5.5 PCI Express 3.0/2.0 x1 slot This motherboard supports one PCI Express 3.0/2.0 graphics card that comply with the PCI Express specifications. Intel® 3rd Generation Core processors support PCIe 3.0. IRQ assignments for this motherboard A B C D E F G H Intel PCH SATA controller #0 - - - shared - - - - Intel PCH SATA controller #1 - - - shared - - - - Realtek 8111G controller shared - - - - - - - 1.6 Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. CLRTC B75M-PLUS 12 Normal (Default) 23 Clear RTC B75M-PLUS Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2. 3. Plug the power cord and turn ON the computer. 4. Hold down the key during the boot process and enter BIOS setup to reenter data. Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! ASUS B75M-PLUS 1-11

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ASUS B75M-PLUS
1-11
1.5.5
PCI Express 3.0/2.0 x1 slot
This motherboard supports one PCI Express 3.0/2.0 graphics card that comply with the PCI
Express specifications.
Intel
®
3rd Generation Core processors support PCIe 3.0.
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
Intel PCH SATA controller #0
-
-
-
shared
-
-
-
-
Intel PCH SATA controller #1
-
-
-
shared
-
-
-
-
Realtek 8111G controller
shared
-
-
-
-
-
-
-
1.6
Jumpers
Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time, and system setup parameters by erasing
the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.
B75M-PLUS
B75M-PLUS Clear RTC RAM
1
2
2
3
Normal
(Default)
Clear RTC
CLRTC
To erase the RTC RAM:
1.
Turn OFF the computer and unplug the power cord.
2.
Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3
for about 5-10 seconds, then move the cap back to pins 1-2.
3.
Plug the power cord and turn ON the computer.
4.
Hold down the <
Del
> key during the boot process and enter BIOS setup to re-
enter data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!