Acer AB460 F1 User Manual - Page 173

153 Item 1 2 3 4 5 6 7 8 9 10 11 12 Description LGA 1366 CPU Sockets DIMM Slots 6 SAS2/SATA Hard Drive Bays InfiniBand Connectors (for InfiniBand cards) Gbx Connectors (for power and logic to backplane) ICH10 Intel 5500 chip Onboard Battery Front IO Module BIOS Chip LSI 2008 SAS2 Controller JPT1 (CMOS clear) CMOS Clear JBT1 is used to clear CMOS and will also clear any passwords. JBT1 consists of two contact pads located near the BIOS chip (#12 in Figure 3-104). Clearing CMOS 1. First power down the blade and remove it from the enclosure. 2. Remove the blade cover to access the mainboard (see "Removing/ Replacing the Blade Cover" on page 18 for further details). Short the CMOS pads with a metal object such as a small screwdriver. 3. Replace the cover, install the blade back into the enclosure and power it on.