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LPT1 Connector
Connector type IDC26 pin header 2.54 mm
3.12 Watchdog
A watchdog timer is integrated on-board and managed with the SMC LEMT functionality. There are
different possibilities for its activation. More details can be found in chapter
description of the SMC can be found.
A watchdog event is triggered by internal circuit of the ITE8712 Super I/O. It is possible to program
the trigger duration, see chapter 4.3 for an example.
3.13 LEMT functions
The onboard Microcontroller implements power sequencing and LEMT (LiPPERT Enhanced
Management Technology) functionality. The microcontroller communicates via the System
Management Bus with the CPU/Chipset. The following functions are implemented:
•
Total operating hours counter
Counts the number of hours the module has been run in minutes.
•
On-time minutes counter
Counts the seconds since last system start.
•
Power cycles counter
•
Watchdog Timer
Set / Reset / Disable Watchdog Timer.
•
System Restart Cause
Power loss / Watchdog / External Reset.
•
Flash area
1kB Flash area for customer data
•
Protected Flash area
128 Bytes for Keys, ID's, etc. can stored in a write- and clear-protectable region.
•
Board Identify
Vendor / Board / Serial number
TME-104P-CSR-LX800-R1V5.doc
Pin
Signal
1
Strobe
3
Data0
5
Data1
7
Data2
9
Data3
11
Data4
13
Data5
15
Data6
17
Data7
19
ACK
21
Busy
23
Paper End
25
Select
Pin
Signal
2
Auto LF
4
Error
6
Init
8
Select In
10
GND
12
GND
14
GND
16
GND
18
GND
20
GND
22
GND
24
GND
26
+5V Standby
Rev 1.5
3 .13 where a detailed
1 5 1 H
24 (44)
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