Acer Altos G540 Series - Manual (Page 27)

17
B ackplane board
The backplane board attached to rear of the hot-plug HDD cage is
what differentiate it from the easy-swap HDD cage model.
No. Code Description
37 PCI-E 4
PCI-E 5 PCI Express x8 expansion slots
38 U4 Video memory
39 PCI-X 2
PCI-X 3 1
1 The PCI-X 3 slot (green) supports the installation of a SAS ZCR (Zero Channel RAID) option
card.
64-bit, 66/100 MHz PCI-X expansion slots
40 PCI-E 1 PCI Express x8 expansion slot
No. Code Description
1 J7 to J10 SAS/SATA2 HDD access LED control jumpers
Close 2-3 – HDD LED control via pin 11(default)
2 SGIO_JP Debug/diagnostic connector
3 JP2 SAF-TE firmware flash connector
4 J4 Backplane board peering cable connector
5 CN1 and CN2 Power cable connectors for the SAS/SATA2 HDD