From: george@unixg.ubc.ca (George chow)
Subject: Draft 0.1 of HP 95LX FAQ...
Followup-To: comp.sys.palmtops
Originator: george@unixg.ubc.ca
Organization: University of British Columbia, Vancouver, B.C., Canada
Date: Thu, 23 Jul 1992 04:13:50 GMT

Draft 0.1 of comp.sys.palmtops's unofficial HP-95LX FAQ list:

Well, here is a really short list of questions and answers. Please feel free to 
correct me. Again, if you have any suggestion, please email too.

======
Q) What FTP sites are available for the HP 95LX?

A) There are two sites:
	eddie.mit.edu:/distrib/hp95lx
	col.hp.com:/mirrors/hp95lx
Obviously, the HP site is merely a mirror of MIT. Use whichever is closer to 
you. Portions of this FAQ have been gleaned from various files on these sites.

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Q) How many version of ROM's have there been for the HP 95LX and what bugs are 
available in each revision?

A) I still don't have an answer for this one. I do know that my 512K's ROM is 
dated 04/02/91. At the very least, can everyone please email me their ROM 
revision so that we can have a list. Please include whether your 95 is the 512K 
or the 1M version. (To check your ROM revision, just turn off your 95 and hold 
down the ESC key while powering it up again.) As well, there are several 
revision of the manuals. Can everyone just email me their manual revision along 
with their ROM?

------
Q) Why does my 95 emit a high pitched whine when it is on? It get's louder when 
a key is pressed.

A) The sound that you hear comes from the voltage conversion required to drive 
the screen from DC. A similar sound can be hear on the HP-48s[x]. Using HP's AC 
adapter (which outputs AC) will eliminate the whine.

------
Q) What kind of AC adapter can I use with the 95?

A) The 95 can accept both AC and DC (either polarity) from the AC adapter. The 
HP adapter outputs 9V AC and 13.5 VA max. People have also used 9VC DC adapter 
with success. 

------
Q) Why is the hinge on the left hand side slightly looser than the right hand 
side?

A) According to an HP employee, the hinge was built with only one clutch on the 
right hand side to reduce cost. This is the cause for the loosening.

------
Q) I heard that there are some games in the ROM. How do I get access to them?

A) Only the US-English version of the 95LX contains these games. The two games 
are `TigerFox' and `Hearts & Bones'. A standard command-line version of 
`TigerFox' is included as C:\TF.COM. All version of the 95 contains a hidden ROM 
directory C:\_SYS\. Both games are in what is known as System Manager Compliant 
format and have the extension .EXM. .EXM-type programs behave just like the 
built-in application in that you can hot-key back and forth between them.
.EXM format program requires some slight amount of work to setup. Use the editor 
to create the file C:\_DAT\APNAME.LST with the following:

-- 
C:\_SYS\TFOX.EXM,1400,TigerFox
C:\_SYS\HB.EXM,2300,Hearts & Bones
--
Then reboot. Now, Alt-T and Alt-H will start up `TigerFox' and `Hearts & Bones' 
respectively. In general, APNAME.LST controls what .EXM programs are installed. 
The format for each line is:

<pathname of .EXM>,<scancode of key>,<full name of program>

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Q) How do I find out what the scancode is for a particular key sequence?

A) Grab the file tools/hp95dev.zip from either FTP site.

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Q) Where do I start if I want to write programs for the 95?

A) Grab the file tools/hp95dev.zip from either FTP site.

------

Q) The soft plastic holder for the backup battery seems to be rather fragile. 
Does HP sell any replacement? I'm just afraid it's gonna break one of these 
days.

A) Haven't tried calling up HP on this.

------
Q) How do I get the 95 to generate phone tones suitable for a touch-touch phone. 
Is this possible? 

A) Try others/dialtone.zip from either FTP site.

------
Q) Where's the cheapest place for a 1 or 2Mb RAM-card?

A) The best price for a 1Mb card so far seems to be EXP Computer (516)496-3703. 
As of two months ago, they were working on a 2Mb card.

------

George
george@unixg.ubc.ca

Newsgroups: comp.sys.palmtops