Intel BOXD850MVSE Quick Reference Manual page 5

A ADI AD1885 audio codec
B Auxiliary line-in connector (ATAPI)
C AGP connector
D CD-ROM connector (ATAPI)
E Front panel audio connector
F Chassis intrusion connector
G 12 V processor core voltage
connector
H Processor fan connector
(CPU fan) (tachometer input)
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I Intel 82850 Memory Controller
Hub (MCH)
J Processor socket
K RIMM sockets
L RIMM fan connector (fan 1)
M Power connector
(continued)
N Diskette drive connector
O Primary IDE connector
P Secondary IDE connector
Q Front panel USB connector
R Alternate power/sleep LED
connector
S Chassis fan connector (fan 2)
(tachometer input)
T Battery
U Speaker
V BIOS configuration jumper
W SCSI hard drive activity LED
connector
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X Intel 82801BA I/O Controller
Hub (ICH2)
Y PCI bus add-in card connectors
Z Communication and Networking
Riser (CNR) (optional)