134 Technical Reference 135MAXDATA PLATINUM 90002R Server System
3. Power down the system by pressing and holding for several seconds the power button on
the front of the chassis. After the server shuts down, unplug both AC power cords to remove
standby power from the server.
4. Open the chassis and access the board with the appropriate jumper. Locate the conguration
jumper blocks on the board. For specic jumper block locations, refer to the remaining sections
in this chapter.
5. Move jumper to pins specied for the required setting. For specic jumper block settings, see
below.
6. Reinstall any boards or components that you removed in order to access jumper blocks.
Conguring Main Board Jumpers
There are nine jumper blocks called out on the main board. The primary functions of these jumper
blocks are as follows:
Table 34. Main Board Jumpers
Jumper Signal / Description
J1A1 (RSRL_MODE0) Used to set Serial Port mode.
The default is pins pins 1-2 for DSR devices
Jumper pins 2-3 for DCD devices, such as a modem
J3A3 (SMM_BB_UNPROT_L) Jumper 2-3 to enable programming of the BMC boot block.
The default is pins 1-2 for BMC boot block protected.
J3B1 (JTAG chain TDI/TDO) JTAG signal routing.
The default is pins 3-4, 5-6, and 7-8 to include SNC-M, SIOH on the PCI riser board
1-3 and 5-7 to include SNC-M, SCSI, Processor 2, then Processor 1
1-3, 2-4, and 5-6 to include SNC-M, SIOH on the PCI riser board, SCSI, Processor 2,
then Processor 1
J6G2 (FWH20_ID1_SWAP_L) Swaps North Bridge FWH ID0 and ID2.
The default is pins 1-2 for ID0
To swap ID0 with ID2, jumper pins 2-3
J5H4 BMC Force Update.
The default is pins 1-2 to operate the BMC in normal mode.
Jumper pins 2-3 to force a BMC update
J5H3 Clear CMOS.
The default is pins 1-2 to operate the system in normal mode
To clear the CMOS, jumper pins 2-3
J5H2 Clear Password
The default is pins 1-2 to protect the password
To clear the password, jumper pins 2-3
J5H1 RCV Boot (Recovery)
The default is pins 1-2 for protected mode
To force a recover boot, jumper pins 2-3
NOTE
As a security feature, J3A3 must be moved to pins 2-3, unprotected, for the PLD Update Utility to be
able to update PLD2 on the main board and to update PLD3 on the SCSI board.
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