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Chapter 4: Motherboard Connections
COM Header
The motherboard has one COM header that provides two serial connections (COM1/2) and
supports RS-232 function, utilizing Supermicro PN: CBL-CDAT-0604 or CBL-CUSB-0984
(not included).
COM Header (COM1/2)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
DCDA
2
DSRA
3
RXDA
4
RTSA
5
TXDA
6
CTSA
7
DTRA
8
RIA
9
GND
10
N/A
11
DCDC
12
DSRC
13
RXDC
14
RTSC
15
TXDC
16
CTSC
17
DTRC
18
RIC
19
GND
20
N/A