#: 189731 S1/General/Help 06-Nov-89 15:00:52 Sb: WP-2 to Mac Cable & Memory Fm: Tim Celeski 74746,1145 Tandy WP-2 to the Mac Finally solved the cable problem. Here are the pin-outs to connect the TANDY WP-2 to the Macintosh. WP-2 MAC DB-9 MAC Plus ----- -------- -------- 5 Grd 1 Grd 4 Grd 2 Rxd 5 Txd 3 Txd 3 Txd 9 Rxd 5 Rxd 7 Rts ( 8 Cts Loop back the RTS and the CTS lines on the WP-2 into each other with a jumper. That should do it. Memory Upgrade The 32k internal memory upgrade used in the WP-2 consists of the following 28 pin chip. Mitsubishi M5M5256BP-10L I'm told that there are lots of other alternatives for this, and that this speed of 100ms is not really necessary. Remember this is CMOS ram, handle carefully!