Sony PCS-1500 Service Manual page 177

Example of using the command:
#install[|]7a0000↓
#diag[|]setVCPDRAMSize[|]4↓
#diag[|]video↓
#diag[|]iicwrite[|]88[|]1D[|]12↓
#diag[|]iicread[|]88[|]1D↓
#diag[|]auto↓
PCS-1500/1500P
4-2. Self-diagnostics Function
4-47