Operating the Unit

Table 90.

J18 Pin Assignments

 

 

 

 

 

 

 

 

 

 

 

Lattice* Compatible JTAG Header

 

 

PS/2 Keyboard/Mouse Header

 

 

 

 

 

 

 

1

+3.3 VSB

2

MDAT

(PS/2 mouse data)

 

 

 

 

 

 

 

3

TDO

4

MCLK

(PS/2 mouse clock)

 

 

 

 

 

 

 

5

TDI (H0_SKTOCC#)

6

GND

 

 

 

 

 

 

 

 

7

ISPEN#

8

+5 V

(through polyswitch)

 

 

 

 

 

9

Key - no pin or connection

10 KBDAT (PS/2 keyboard data)

 

 

 

 

11 TMS (H1_SKTOCC#)

12 KBCLK (PS/2 keyboard clock)

 

 

 

 

 

13

GND

14 Key—no pin or connection

 

 

 

 

 

 

 

15

TCK (WDT_EN)

16

GND

 

 

 

 

 

 

 

NOTE: Processors must be removed before using the Lattice JTAG interface.

Table 91.

J16 Jumper Assignments

 

 

 

 

Jumper

Function

 

 

 

 

J16-1 to 3

CLEAR_PASSWD: This jumper is used in the event the system will not boot

 

 

because the BIOS password is unknown.

 

 

 

 

J16-3 to 5

CLEAR_CMOS: This jumper is used in the unlikely event a CMOS data corruption

 

 

keeps the system from booting (or getting to SETUP).

 

 

 

 

J16-4 to 6

RTC_RST: Hardware Reset of RTC. When asserted, this signal resets register bits

 

 

in the RTC well and sets the RTC_PWR_STS bit (bit 2 in GEN_PMCON3 register).

 

 

 

 

J16-2 to 4

FRC_UPD (IPMC F/W): This jumper is used to put the firmware into a forced update

 

 

mode. Administrators could use this feature to force the firmware to enter into

 

 

update mode and wait for an update through the KCS interface. Useful when some

 

 

of the SDR or firmware needs to change. Please note that Sensor scanning/

 

 

monitoring is disabled in this mode. Administrators will have to remember to disable

 

 

the jumper after an update, or the board will boot again into this update mode.

 

 

 

 

J16-3 to 4 and

Storage posts for jumpers not in use.

 

J16-7 to 9 (Default)

 

 

 

 

 

J16-8 to 7

Only for debug purposes.

 

 

 

 

J16-10 to 9

Manufacturing jumper (for testing during board assembly).

 

 

 

Table 92.

J37 Jumper assignments

 

 

 

 

Jumper

Function

 

 

 

 

J37-1 to 2

Use IPMC to control which BIOS ROM to use (default).

 

 

 

 

J37-3 to 4

Select redundant FWH to be used (FWH1).

 

 

 

 

J37-5 to 6

Not supported

 

 

 

 

J37-7 to 8

Not supported

 

 

 

Intel NetStructure® MPCBL0001 High Performance Single Board Computer

135

Technical Product Specification

Page 135
Image 135
Intel MPCBL0001 manual J18 Pin Assignments, J16 Jumper Assignments, J37 Jumper assignments, Jumper Function