The PROM is memory address which contains the information about the components.

The following is captured from SP's POST menu:

                 Diagnostic Menu
                  POST 03.10

1)  Reset Controller          16) Power Supply A0 Sub-Menu
2)  Enter Debugger            17) Power Supply A1 Sub-Menu
3)  Display Warnings/Errors   18) Management FRU A Sub-Menu
4)  Boot OS                   19) Management FRU B Sub-Menu
5)  MFG Boot OS               20) System Test Sub-Menu
6)  POST Sub-Menu             21) Image Sub-Menu
7)  Display/Change Privilege  22) Disk Sub-Menu
8)  Enclosure Sub-Menu        23)Resume PROM Sub-Menu <<--------
9)  Memory Sub-Menu           24) I2C Sub-Menu
10) Motherboard Sub-Menu      25) DMI Log Sub-Menu
11) I/O Module 0 Sub-Menu     26) Voltage Margin Sub-Menu
12) I/O Module 1 Sub-Menu     27) Information Display
13) I/O Module 2 Sub-Menu     28) ICA Sub-Menu
14) I/O Module 3 Sub-Menu     29) DDBS Service Sub-Menu
15) I/O Module 4 Sub-Menu     30) FCC Boot Sub-Menu

Enter number (0-19): 2 <<---------- In our case, SP B needs PROM modification 

Hit Enter for all prompts unless specified: Enter EMC TLA Part Number (16 characters)[110-048-103C]:
Enter EMC TLA Artwork Revision (3 characters)[]:
Enter EMC TLA Assembly Revision (3 characters)[C08]:
Enter EMC TLA Serial Number (16 characters)[CF2YR082600040]:
Enter Vendor Part Number (32 characters)[]:
Enter Vendor Artwork Revision (3 characters)[]:
Enter Vendor Assembly Revision (3 characters)[]:
Enter Vendor Serial Number (32 characters)[]:
Enter Vendor Name (32 characters)[]:
Enter Location of Manufacture (32 characters)[]:
Enter Year of Manufacture (4 characters)[]:
Enter Month of Manufacture (2 characters)[]:
Enter Day of Manufacture (2 characters)[]:
Enter Assembly Name (32 characters)[BLACKWIDOW NAUTILUS]:
Enter Number of Programmables (0-84) [9]:

PROGRAMMABLE 1

            Enter Programmable Name (8 characters)[BIOS]:
            Enter Programmable Revision (4 characters)[0460]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x936A8E94]:  PROGRAMMABLE 2             Enter Programmable Name (8 characters)[POST]:
            Enter Programmable Revision (4 characters)[0870]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x318C7F97]:  PROGRAMMABLE 3             Enter Programmable Name (8 characters)[MBMCU]:
            Enter Programmable Revision (4 characters)[]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x00]:  PROGRAMMABLE 4             Enter Programmable Name (8 characters)[CMDAPP]:
            Enter Programmable Revision (4 characters)[1400]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x00]:  PROGRAMMABLE 5             Enter Programmable Name (8 characters)[CMDTABLE]:
            Enter Programmable Revision (4 characters)[0035]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x00]:  PROGRAMMABLE 6             Enter Programmable Name (8 characters)[CMDBOOT]:
            Enter Programmable Revision (4 characters)[0006]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x00]:  PROGRAMMABLE 7             Enter Programmable Name (8 characters)[PLX8508]:
            Enter Programmable Revision (4 characters)[0007]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0xFAD2]:  PROGRAMMABLE 8             Enter Programmable Name (8 characters)[MCU]:
            Enter Programmable Revision (4 characters)[0270]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x8600DDD]:  PROGRAMMABLE 9             Enter Programmable Name (8 characters)[MCU BB]:
            Enter Programmable Revision (4 characters)[0109]:
            Enter Programmable Checksum (0x00-0xFFFFFFFF) [0x00]: