Acer R700 manual Bit PCI riser slot for PCI-X bus B full height

4	1 Description
Label	Description
D	64-bit PCI riser slot for PCI-X bus B (full height)
E	DIMM slots
F	I/O ports
G	SCSI channel B connector (SCSI version only)
H	COM 1 serial header
I	ICMB connector
J	IPMB connector
K	64-bit PCI riser slot for PCI-X bus C (low profile)
L	Secondary processor socket
M	Secondary processor fan connector
N	Primary processor socket
O	Primary processor fan connector
P	Auxiliary signal connector
Q	Sys fan 1 connector
R	Sys fan 2 connector
S	Main power connector
T	Battery
U	Power supply signal connector
V	ATX front panel connector
W	SSI front panel connector
X	Floppy/FP/IDE connector
Y	ATA/IDE connector
Z	Floppy drive connector