The manual details the procedure for clearing CMOS. The board typically utilizes a dedicated "Clear CMOS" button located on the rear I/O panel or a specific jumper on the board (labeled JCMOS or similar). This is a common point of failure for used units, as a drained CMOS battery will prevent the system from posting.
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A: Yes, but only RAID 0, 1, 5, 10 on the SATA 6Gb/s (white) ports. Requires BIOS to be set to RAID mode (hidden menu: press Ctrl+I after POST).
2 × SATA III (6.0 Gb/s) ports, 4 × SATA II (3.0 Gb/s) ports Acer Inc Ipisb-vr Rev 1.01 Manual
If you physically own the Rev 1.01 board but lost the manual, here are the jumper settings and key pinouts.
Without the manual or a pinout diagram, re-wiring this board into a non-Acer case is difficult.
To take advantage of dual-channel performance, populate slots of matching colors first (e.g., placing matching modules into slots 1 and 3, or slots 2 and 4). Front Panel Header Pinout Diagrams The manual details the procedure for clearing CMOS
One of the most searched-for diagrams in the IPISB-VR manual is the Front Panel Header pinout. Because the board does not have standard labeling on the PCB, the manual is required to identify pins for:
Acer Inc. IPISB-VR Rev 1.01 is a micro-ATX OEM motherboard based on the Intel H67 Express chipset
: 6 × SATA ports (2 × SATA III 6Gbps in white/blue, 4 × SATA II 3Gbps in black) Board Layout & Integrated Ports This public link is valid for 7 days
Here are the consolidated technical specifications for this motherboard:
: This means the onboard CR2032 3V lithium coin battery has run out of charge. Unplug the PC, carefully pop the old circular battery out of its housing socket using a flathead screwdriver, and replace it with a fresh CR2032 cell to preserve system settings.

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