Asus P8H77-M - Manual (Page 49)

ASUS P8H77-M 1-37
11. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT
standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
12. TPM connector (20-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system, which can securely
store keys, digital certificates, passwords, and data. A TPM system also helps enhance
network security, protects digital identities, and ensures platform integrity.
The TPM module is purchased separately.
P8H77-M
P8H77-M Parallel Port Connector
LPT
PIN 1
SLCT PE BUSY ACK# PD
7
PD
6
PD
5
PD
4
PD
3
PD
2
PD
1
PD
0
STB#
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
SLIN
#
INIT
#
ERR#
AF
D
P8H77-M
P8H77-M TPM Connector
PIN 1
TPM
SB_SUS_STAT
GND
+3VSB
SMBSCL
LAD0
+3V
LAD3
PCIRST#
FRAME
PCICLK
RESET
GPIO
SERIRQ
SMBSDA
GND
LAD1
LAD2
PWROWN
GND