HP 48SX/GX display output for overhead projectors
|
07-01-2017, 06:53 AM
Post: #1
|
|||
|
|||
HP 48SX/GX display output for overhead projectors
I recently picked up an Invision 48, which was something you plugged into an HP 48SX/GX card slot for classroom overhead projection.
http://www.ebay.com/itm/Invision-48-HP-4...2451231150 I was wondering if anyone knew of detailed information of the card connector signals used for outputting the display. I've been able to find pinout information at http://www.hpcalc.org/hp48/docs/misc/cardpins.txt and general chip information at http://gecw.co.kr/ic/SED1181.pdf which lets me at least know what the upper clock speed limits are for XSCL. However, what I don't know are:
|
|||
« Next Oldest | Next Newest »
|
Messages In This Thread |
HP 48SX/GX display output for overhead projectors - Chris Dreher - 07-01-2017 06:53 AM
|
User(s) browsing this thread: 2 Guest(s)