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| Item | Primary | Secondary | Notes | |
|---|---|---|---|---|
| 1 | Sinclair Spectrum Mains Adapter | |||
| 2 | Z88 Cased Unit Test Fixtures | FIGURE A.1 PSU FOR TEST FIXTURE | ||
| 3 | Special Test Box (with separate power supply) | FIGURE A.3 CARD TESTER CIRCUIT FOR SLOT CONNECTORS AND BUS EXTENSION CONNECTOR | (underneath the Z88 under test). The original design split this up into 3 sections
The Bus Extension was never used in the end, so only the Card Slot Tester and Test Head need to be built. | |
| 4 - 6 | Test Card Connector for SKT2, 3 & 4 | FIGURE A.4 SLOT TESTER TEST HEAD CIRCUIT DIAGRAM | ||
| 7 | Test Card for Peripheral Expansion Connector | FIGURE A.5 BUS EXTENSION TESTER TEST HEAD CIRCUIT DIAGRAM | This connector was never used, so this connector may be discarded. | |
| 8 | RS232 Termination Connector | FIGURE A.2 RS232 LOOPBACK TEST PLUG | I have just been using a plug linking 3 pairs of pins together. I wonder whether this circuit will offer any benefits? | |
| 9 | Standard RAM Pack | 32K RAM Pack | ||
| 10 | Special Modified 32K RAM Pack | This was needed at the time as there Now 1M RAM | There were no 1M RAM Packs available . A 1M RAM pack can now be used.when the manual was written. | |
| 11 | 128K EPROM Test Program Pack | 128K EPROM | The test software will be available here for download. | |
| 12 | 240 V Variable Transformer | (with flying mains socket attached) | ||
| 13 | Adapter Test Box | This is the same as Item 2, - Z88 Cased Unit Test Fixtures | Item number duplicated. |
Card Tester Circuit for Slot Connectors
The original design split this up into 3 sections
- Test head
- Card Slot Tester Test Head
- Bus Extension Tester Test Head
The Bus Extension was never used in the end, so only the Card Slot Tester and Test Head need to be built.