| Device | Model | Serial # |
| 3490 Mag Tape Subsystem 300-301 | C2A | Y1377 |
| 310-311 | C2A | Y1378 |
| 320-321 | C22 | N5885 |
| 9309 Rack Enclosure 1.6M 300-301 | 2 | D1432 |
| 310-311 | 2 | D1431 |
| 320-321 | 2 | 16372 |
| 3174 Controller (Prod) | 21L | 23-LB678 |
| 3174 Controller (Test) | 11L | 23-BQ450 |
| ESS 2105 (Shark) | 800 | 13-23937 |
| Shark Console | 6792-EDG | KB1VRK2 |
| Monitor | 6627-OAN | 55-DR584 |
|
Mainframe z800 8 Gigabytes, ~83 MIPS |
2066 OA1 | 02-1837A |
| Mainframe HMC Desktop | 6792-LPU | KA3KVFB |
| Monitor | 6652-U3N | 23-03886 |
|
Optical Converters (Not IBM) |
34600 | 07726 |
| No Maintenance on these. | 07727 | |
| We have some spares from | 07728 | |
| deinstalled tape/printers | 07729 | |
| 07730 |