Acer Altos G540 M2 - Manual (Page 29)

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40 SATA5 SATA connector 5 for SATA ODD
41 F_PANEL Front panel connector
42 J1 BMC firmware upgrade connector
43 IPMB1 3-pin IPMB connector
44 BAT CMOS Battery
45 IPMB2 4-pin IPMB connector
46 USB2 USB connector for front USB ports
47 CASE_OPEN Chassis Intrusion connector
48 COMB COM B serial port connector
49 PCI5 PCI slot 5 (32bit/33MHz/3.3V)
50 BIOS_RVCR BIOS Recovery Jumper
1-2 close: Normal operation. (Default setting)
2-3 close: Enable BIOS Recovery function
51 PCI-E4 PCI-E x8 slot 4 (Gen1, x4 throughput)
52 PCI-E3 PCI-E x8 slot 3 (Gen2)
53 U5 BMC
54 PCI-E2 PCI-E x8 slot 2 (Gen2)
55 U188 Hardware monitor controller
56 U6 Gigabit Ethernet Network Controller
57 PCI-E1 PCI-E x16 slot 1 (Gen2)
58 FAN_CPU2 FAN connector for Processor 2
59 U24 10/100 Fast Ethernet PHY
No. Code Description