Toshiba DP4500 Service Handbook page 244

(2) Jig board
Two types of the ROM previously mentioned use the jig board PWA-F-DLS-320.
2 ROMs are required to download the applications. Only one ROM is used for UI data downloading, and
the ROM should be attached to the socket for ROM2.
Note: Pay attention to the direction and position of the ROM when it is attached.
December 2000 © TOSHIBA TEC
Socket for ROM1
Socket for ROM2
[Jig board (PWA-F-DLS-320)]
6 - 31 DP4500/3500 UPDATING THE FIRMWARE
Connector