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 | | IC download problem
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| Having solved my memory power-supply problem, I've installed the rest of the Handy Board memory circuitry and gone on to put in the speaker and LCD screen (step 6.0.4 complete). Unfortunately, I can't seem to get Interactive C up and running! :( (...) (28 years ago, 17-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.070)
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| | memory not remembering...
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| I'm stumped. In the process of assembling my first handyboard, I have just reached the stage where I install the memory (all previous checkpoints passed). The computer successfully downloads the bootstrap, sets the config register correctly, and (...) (28 years ago, 26-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.070)
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| | memory fault
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| I was working with IR detectors this morning when this happened.... one detector was connected to the special detector port provided in the handy board. There was a second one connected to the first digital port. They were working fine and i was (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.068)
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| | error message
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| Hello everybody, Whenever i load any program to the handyboard the following message is displayed " IC is now dangerously running low on memory. Yous should makesure that your PC has atleast 550-600K of lower memory free before staring" iam using a (...) (28 years ago, 7-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.068)
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| | IC
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| hi everybody, i was not sure if this reached the net before....so iam posting it again whenever i download a program from the prompt to the handyboard, the following message is displayed.... " IC is running dangerously low on memory. Your PC shpuld (...) (28 years ago, 9-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.067)
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| | U14 problem
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| I'm having a problem at stage 5.1 (memory power supply) of assembling my (first ever) Handy Board. The main and interface/charger boards have passed all tests up to this point. I've just installed C4, C5, and U14 according to the instructions. When (...) (28 years ago, 14-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.067)
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| | Re: Mini Board or Handy Board?
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| (...) In answer to your last question, the best price I have seen for the MC68HC11E1FN is at B.G. Micro for $6.95 if my memory is correct. I have dealt with them before and not had any problems so far. You can check the price on their web page at (...) (28 years ago, 7-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.067)
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| | Re: Pic16c84 programming with Handyboard
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| David, Althuogh I don't have an expansion board either, I am in the middle of testing some code that I wrote to program pi16c84s. Everything seems to be working well, I just want to keep on testiong it before releasing it. I wrote it such that it (...) (28 years ago, 5-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.066)
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| | Re: Strange...
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| You need to get the CONFIG register to be set to 0x0c. If it is set to 0x0d, there will be memory conflicts. See the FAQ for an explanation. Try DL.EXE from the freeware DOS package. See ftp://cherupakha.med...2853r2.zip -Fred In your message you (...) (28 years ago, 14-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.066)
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| | Re: (no subject)
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| (...) I'm pretty sure JDR microdevices carries the 1233. check (URL)2 > Since there are 16 address lines comming from the 6811. Could I use (...) The HB uses A15, along with the E clock and ~reset, as the enable line for the ram. The 64k address (...) (28 years ago, 10-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.066)
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| | Battery Care
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| Hi, What's the best way to care for the NiCd pack of the Handyboard? I understand that NiCd's undergo the "memory effect". Does this mean that you should always use your Handyboard untill the RED LED light comes on...and then recharge it? Is it OK (...) (28 years ago, 20-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.066)
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memory
(score: 1.066)
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| | memory
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| 1. Is there a way of expanding the 32K memory in the HB? How? 2. I want to reduce the weight of my project by changing the battery. Is it possible to operate the HB at lower voltage since I'm not using the motor drivers for my project? If so, what's (...) (28 years ago, 6-Feb-97, to lugnet.robotics.handyboard)
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memory
(score: 1.066)
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| | Re: sonar
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| (...) No, you are correct. The sonar parts that Digikey and All Electronics and others offer are just the sensor and transducer. Polaroid seems to make a package with all ranging electronics included. I read an article (by Chuck McManis if memory (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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memory
(score: 1.065)
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| | Re: HB Downloader Trouble
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| Success on the first bootstrap download and failure to write into RAM could easily be explained by a fault in the memory circuit. The memory circuit, which includes the 'hc373, the 'hc132, and the RAM chip itself, with about 27 signals going to the (...) (28 years ago, 13-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.065)
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memory
(score: 1.065)
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| | (Handy-B) wrong connection...
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| Hello, I made a terrible mistake. By mistake I connected the pos. side of the powerheader (10 V) to the middle row of the digital ports (Vccc ; 5 V , (if I'm not mistaking)). With this action I probably blew up (a) component(s) on my handyboard. I (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.063)
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| | Re: (Handy-B) wrong connection...
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| (...) any normal cmos low power 28-pin (JEDEC standard) 32K RAM will work. You do not need a special battery backed variety. you also might have blown the 'hc373 chip, since that is part of the memory circuit. also check the 'hc132. hopefully the (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.063)
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| | downloading
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| Greetings everyone, This is my first message to the Handy Board mailing list, as I am a previous miniboard user finally stepping up. However, my progress is being thwarted by not being able to download pcode_hb.s19. I am using a PC and I have the (...) (28 years ago, 5-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.063)
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| | more downloading
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| Hi everyone, I posted a message a day or two ago about a downloading problem I am having with my HB. I have gotten my hands on a copy of hbdl.exe and it too fails to download pcode_hb.s19. I believe that I am following all instructions properly. (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
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memory
(score: 1.063)
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