IBM 704 manual Setting the Bios Boot Block Jumper J6A1

Setting System-Board Configuration Jumpers

8.Removed the left side cover again (see “Removing the Side Covers” on page 81), and move the jumper back to its original position (pins 1 and 2, factory default).

9.Complete the installation (see “Completing the Installation” on page 201).

Setting the BIOS Boot Block Jumper (J6A1)

Before you start, be sure that you have:

ŸRead “Electrical Safety” on page 75 and “Handling Static-Sensitive Devices” on page 77.

ŸRemoved the left side cover (as viewed from the front of the server; see “Removing the Side Covers” on page 81).

Note: Do not mistake this jumper block for the ones on either side.

To be able to program the boot block, do the following steps:

1. Identify the BIOS boot block jumper, J6A1.

J6A1

Unprotect Protect

1 Boot Block

1 2 3

2.If the processor board blocks access to the jumper, remove it (see steps 2 through 5 on page 106).

Appendix A. Server Records 295