
The PalmPilot Personal 512kB memory card uses the same PCB and a similar parts placement as
the PalmPilot Professional 1MB card shown in this chapter. It is also denoted with “160-0222 REV
A” on the back and “170-0087” silk-screened on the front. If you have a PalmPilot Personal 512kB
memory card that you want to upgrade to a PalmPilot Professional 1MB card, only three additional
steps are required (denoted in Figure 13.22):
1. Solder the Toshiba TC518512AFT-80V (or suitable replacement) Static RAM device to the
unpopulated footprint U1.
2. Move the resistor from R2 to R1 (the two pads directly above).
3. To expand the 1MB board to 2MB, follow the upg ...