4x DDR3 DIMM slots, supporting up to 16GB of dual-channel RAM. Expansion Slots: 1x PCIe x16 (for dedicated graphics). 3x PCIe x1. 6x SATA ports (mix of SATA 3Gb/s and 6Gb/s).
It is not compatible with 3rd Gen "Ivy Bridge" CPUs (e.g., i5-3550, i7-3770) without a specific BIOS update (P03-A3), which often fails on this revision due to BIOS size mismatches. Memory (RAM) Guidelines Type: DDR3 Non-ECC, Unbuffered. Speed: Supports 1066 MHz or 1333 MHz . Voltage: Standard 1.5V modules.
is a Micro-ATX (mATX) motherboard manufactured by Pegatron for use in pre-built desktop computers like the Acer Aspire M3970 and the Gateway DX4860. Because this board was built specifically for Original Equipment Manufacturers (OEMs), finding an official standalone user manual online can be incredibly difficult.
The IPISB-VR Rev 1.01 natively supports 32nm processors. Support for 22nm Intel 3rd Generation (Ivy Bridge) processors is highly dependent on your BIOS version. Guaranteed Compatible (Sandy Bridge) Intel Core i7-2600, i7-2600K Intel Core i5-2500, i5-2400, i5-2300 Intel Core i3-2100, i3-2120 Selected Sandy Bridge Pentium and Celeron processors Conditional Support (Ivy Bridge) Acer Inc Ipisb-vr Rev 1.01 Manual
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If your system fails to boot after a hardware change or a bad BIOS tweak, you must reset the CMOS. Power off the PC and unplug the power cord from the wall.
| Type | Search query example | |------|----------------------| | Service guide | "Acer Aspire M3970" service guide | | Jumper / CMOS clear | IPISB-VR CMOS jumper | | Front panel pinout | IPISB-VR front panel connector | | BIOS update | IPISB-VR BIOS Acer | | Supported CPUs | Acer IPISB-VR CPU support list | 4x DDR3 DIMM slots, supporting up to 16GB
While official manuals are scarce, you can find necessary software and support through these avenues:
Issue 3: Missing Audio or LAN drivers after reinstalling Windows Acer Inc Ipisb-vr Rev 1.01 Manua - Facebook
How to Access the BIOS menu & Advanced Mode on an Acer Laptop 21 Dec 2025 — 6x SATA ports (mix of SATA 3Gb/s and 6Gb/s)
Understanding the front panel header is crucial for repairing or rebuilding a machine with this motherboard.
The Ipisb-vr Rev 1.01 appears to be a board or component designation used by Acer for internal hardware — typically a motherboard or daughterboard revision identifier found inside certain Acer laptops or desktops. These revision numbers help technicians and users match the correct manual, replacement parts, and BIOS or firmware updates for that exact board revision.
: One RJ-45 Gigabit Ethernet port driven by the onboard Intel controller.