Up to 16GB (4x4GB) total, based on typical factory configurations. Channel Architecture: Dual-Channel supported. 4. Expansion Slots & Storage PCIe x16: 1 Slot (for graphics card). PCIe x1: 2 Slots (for expansion cards).
[ + LED ] [ + PW ] [ Empty ] [ NC ] [ 1 ] [ 3 ] [ 5 ] [ 7 ] [ 9 ] [ 11 ] [ 13 ] [ 2 ] [ 4 ] [ 6 ] [ 8 ] [ 10 ] [ 12 ] [ 14 ] [ - LED ] [ - PW ] [ GND] [ RST ] [ Reserved ] Pin Description Mapping: Pin 1: Power LED Positive ( PLED+ ) Pin 2: Power LED Negative ( PLED- ) Power Switch (Power Button): Pin 3: Power Switch ( PW_SW ) Pin 4: Power Switch Ground ( GND ) Hard Drive Activity LED (HDD LED): Pin 5: HDD LED Positive ( HD_LED+ ) Pin 6: HDD LED Negative ( HD_LED- ) Reset Switch (Reset Button): Pin 7: Reset Switch ( RST_SW ) Pin 8: Reset Switch Ground ( GND )
: If you installed a newer external graphics card, ensure your power supply has enough wattage. The stock power supplies inside original Acer M3970 cases are typically only 300W, which cannot handle high-end dedicated graphics cards. Acer Inc Ipisb-vr Rev 1.01 Manual
: 6x SATA Ports . Typically color-coded to differentiate between faster SATA III (6 Gbps) internal drives and standard SATA II (3 Gbps) auxiliary connections.
The LGA 1155 socket on the IPISB-VR Rev 1.01 supports . Up to 16GB (4x4GB) total, based on typical
Used for system beep codes. Pin 9 is Positive (+), Pin 11 is Negative (-). Clear CMOS Jumper (Resetting BIOS)
The four DIMM slots support . While official specs may list support up to 16GB, the H67 chipset often supports up to 32GB (4 x 8GB sticks). Processor Upgrades Compatible processors include: Intel Core i7-2600 / i7-2600K Intel Core i5-2500 / i5-2500K / i5-2400 Intel Core i3-2100 series Expansion Slots & Storage PCIe x16: 1 Slot
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To ensure safe handling and usage of the motherboard, the manual emphasizes the importance of:
: Plug the system back in and turn it on to access default factory configurations. Upgrading Legacy Graphics Cards
Despite the popularity of this motherboard, which is still in use and being sold on second-hand markets today, a complete service manual remains unavailable to the public.