Also known as:

• Compaq Deskpro M Family 486s/25M (P/N 003197)
• Compaq Deskpro M Family 486s/33M (P/N 003107-001)
• Compaq Deskpro M Family 486s/33M (P/N 003107-002)
• Compaq Deskpro M Family /33M (P/N 002502)
• Compaq Deskpro M Family /33M (P/N 003200-001)

Notes:

This is for the 486s/25M (P/N 002825/003197), 486s/33M (P/N 003107), /33M (P/N 002502/003200-001)

Some boards come with 4 or 8MB RAM on the CPU card:

486SX/25 Processor Board P/N 002825 Spare 140410-001

486SX/25 Processor Board (8 MB) P/N 003197 Spare 149923-001

486SX/33 Processor Board (4 MB) P/N 003107-001 Spare 196773-001

486SX/33 Processor Board (8 MB) P/N 003107-002 Spare 196774-001

486DX/33 Processor Board P/N 002502 Spare 140411-001

486DX/33 Processor Board (8 MB) P/N 003200-001 Spare 149924-001

All Deskpro M Family:

There are 3 EISA bus boards, 002005/002307/002541.

Models equipped with the Audio I/O board 002428 have Audio ports. Models with the Regular I/O board 002002/002304/002307 do not.

SW500 is located on the I/O board under the PSU, to the right side of the case.

Original source, further details and switch settings: http://66.113.161.23/~mR_Slug/deviceInfo/compaq/compaq_qrg/volume1/dpm.html