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by rpt
Thu Feb 09, 2012 10:24 am
Forum: General discussion
Topic: "Clive", Gove, teaching and "ICT" in UK Schools
Replies: 17
Views: 4451

Re: "Clive", Gove, teaching and "ICT" in UK Schools

<t>hyena said: <br/> <br/> <br/> ...many children and impressionable teenagers reading/posting will take the view that its fine to insult figures of authority in this way.<br/> <br/> <br/> Good. We live in a democracy where it is absolutely fine to insult the government. Compulsory, in fact. Authori...
by rpt
Wed Feb 08, 2012 4:30 pm
Forum: General discussion
Topic: S2 and S5: Fit or no fit?
Replies: 13
Views: 34066

Re: S2 and S5: Fit or no fit?

I'm almost certain I read they are no-fit. It would make sense to keep the cost down.

Hopefully someone can give a definitive answer.
by rpt
Wed Feb 08, 2012 3:12 pm
Forum: General discussion
Topic: Do you think the Raspberry ft is powerful enough to do this at the same time?
Replies: 24
Views: 6810

Re: Do you think the Raspberry ft is powerful enough to do this at the same time?

<t>PimpMyPi said: <br/> <br/> <br/> When people ask questions about running programs on the Pi, I automatically assume they have at least enough knowledge to not be attempting anything daft.<br/> <br/> <br/> You are far too charitable I think! Going by the number of questions about running Windows o...
by rpt
Wed Feb 08, 2012 1:52 pm
Forum: General discussion
Topic: When does the second production batch start
Replies: 34
Views: 7359

Re: When does the second production batch start

<t>Jongoleur said: <br/> <br/> <br/> It fair puts me off my lunch, I was going to have a cheese sandwich, but now I've got to use the cheese in a mousetrap to catch the mice before the cat does....<br/> <br/> <br/> Didn't you know chocolate is better than cheese for catching mice?<br/> <br/> I'll ge...
by rpt
Wed Feb 08, 2012 11:48 am
Forum: General discussion
Topic: Whats the max speed of the SD card slot ?
Replies: 27
Views: 10768

Re: Whats the max speed of the SD card slot ?

INCSlayer said:


I know this is offtopic but if it uses a variant of DDR2 ram is it possible to down the line see a version of the r-pi with a SODIMM slot for expandable RAM?


No, as it uses PoP memory.
by rpt
Wed Feb 08, 2012 9:59 am
Forum: Other projects
Topic: Bare metal Raspberry Pi
Replies: 23
Views: 7283

Re: Bare metal Raspberry Pi

<t>snowyseal said: <br/> <br/> <br/> So, does it have to be a kernel image or could it just be a wee bit of hand-crafted code?<br/> <br/> <br/> There's nothing special about a Linux kernel image. You can boot any code or OS you want. Since all the booting is done by the GPU it should be easy to crea...
by rpt
Wed Feb 08, 2012 9:17 am
Forum: Other projects
Topic: Minimum SD Card Size
Replies: 5
Views: 4337

Re: Minimum SD Card Size

JamesH said:


can you even get SD cards < 2GB nowadays???!!


You can get 1GB cards. For the same price as 2GB cards!
by rpt
Tue Feb 07, 2012 2:18 pm
Forum: General discussion
Topic: A warning about fake-capacity SD Cards (and other flash-media)
Replies: 22
Views: 9891

Re: A warning about fake-capacity SD Cards (and other flash-media)

<t>DeliciousRaspberryCake said: <br/> <br/> <br/> I still don't understand why anyone would buy memory cards online.<br/> <br/> <br/> Because they are much cheaper. For example, I checked the local Asda (part of the world's largest retailer) at lunch time. 4GB Sandisk Class 4 SD cards are £7. On lin...
by rpt
Mon Feb 06, 2012 12:45 pm
Forum: General discussion
Topic: Arm Assembler
Replies: 20
Views: 17372

Re: Arm Assembler

by rpt
Fri Feb 03, 2012 11:27 am
Forum: Other projects
Topic: Making a unique OS
Replies: 33
Views: 8162

Re: Making a unique OS

<t>summers said: <br/> <br/> <br/> Guess a bit of a hassle, is the default way of calling the kernel, won't pass kernel options - e.g. you'll need to make sure your kernel boots without any options passed.<br/> <br/> <br/> Since this is all about making a unique OS for the Pi then compiling the requ...
by rpt
Fri Feb 03, 2012 10:54 am
Forum: Other projects
Topic: Making a unique OS
Replies: 33
Views: 8162

Re: Making a unique OS

<t>summers said: <br/> <br/> <br/> Am confused - how does the arm know how to find the kernel on the SD? It must have a bootloader somewhere. I'd be very surprised if the arm on power up has configured the hardware in a way that it can just execute instructions from the SD?<br/> <br/> <br/> It doesn...
by rpt
Fri Feb 03, 2012 10:13 am
Forum: Other projects
Topic: Making a unique OS
Replies: 33
Views: 8162

Re: Making a unique OS

<t>summers said: <br/> <br/> <br/> That bits easy – unplug the SD card from the pi – plug it into your development machine – the write the file system.<br/> <br/> That kinda why you"ll need to understand the pi boot process – I guess it will have something in flash/rom by default – and you"ll need t...
by rpt
Thu Feb 02, 2012 3:35 pm
Forum: General discussion
Topic: SPDIF?
Replies: 39
Views: 44123

Re: SPDIF?

SPDIF can be coax as well as optical so I guess she has a spare coax input on her amp.
by rpt
Thu Feb 02, 2012 3:21 pm
Forum: General discussion
Topic: another UK "alternative" to the pi
Replies: 47
Views: 19233

Re: another UK "alternative" to the pi

I apologise. I had no intention of offending anyone. I shall be more careful how I express myself in future.
by rpt
Thu Feb 02, 2012 2:44 pm
Forum: General discussion
Topic: another UK "alternative" to the pi
Replies: 47
Views: 19233

Re: another UK "alternative" to the pi

<t>Perhaps "free speech" wasn't quite the right term. I'm certainly not advocating that trolling and other nonsense should be tolerated. But the post I was replying to was suggesting that discussing alternatives or criticising the Raspberry Pi should not be allowed. I think it would be counter produ...
by rpt
Thu Feb 02, 2012 2:36 pm
Forum: Off topic discussion
Topic: What was your first computer?
Replies: 493
Views: 202098

Re: What was your first computer?

<t>My first computer was a Science of Cambridge MK14 with 256 bytes of RAM and 512 bytes of ROM. It had a hex keypad and calculator type display. Over time I added more RAM, a cassette interface and even a video display. This just mapped the RAM so you could actually see the data in your program cha...
by rpt
Thu Feb 02, 2012 1:49 pm
Forum: General discussion
Topic: another UK "alternative" to the pi
Replies: 47
Views: 19233

Re: another UK "alternative" to the pi

<t>DeliciousRaspberryCake said: <br/> <br/> <br/> It's a huge privilege the staff even allows all these forum posts on "alternatives" to the raspberry pi...<br/> <br/> It would be very reasonable if the mods of this forum introduce a rule stating it is frowned upon to talk about alternatives or bash...
by rpt
Thu Feb 02, 2012 12:45 pm
Forum: Staffroom, classroom and projects
Topic: Infant School 'Pi
Replies: 23
Views: 6031

Re: Infant School 'Pi

scep said:


TuxPaint and GCompris keep my 3 year-old daughter quiet for ages. Guilt-free peace


That's just the sort of thing I want a Pi for, for my 5 year old daughter. And for my 2 year old to keep shouting "my turn".
by rpt
Thu Feb 02, 2012 10:06 am
Forum: Off topic discussion
Topic: YOU SUCK: the venting thread
Replies: 948
Views: 179434

Re: YOU SUCK: the venting thread

i really hate posters that never use capital letters.

BUT IT'S NOT AS BAD AS ONLY USING CAPITALS.
by rpt
Thu Feb 02, 2012 10:01 am
Forum: General discussion
Topic: Moderated blog comments: your input wanted!
Replies: 57
Views: 10540

Re: Moderated blog comments: your input wanted!

I agree that comments on the blog should be disabled. Many of the comments on a post are irrelevant to that comment anyway. I'd also disable comments on the FAQ.
by rpt
Wed Feb 01, 2012 7:14 pm
Forum: General discussion
Topic: "Variable" Pricing
Replies: 13
Views: 2547

Re: "Variable" Pricing

Can Liz confirm that the donation will be gift-aidable?
by rpt
Wed Feb 01, 2012 2:17 pm
Forum: General discussion
Topic: How much RAM does the BCM2835 support?
Replies: 21
Views: 7499

Re: How much RAM does the BCM2835 support?

<t>JamesH said: <br/> <br/> <br/> <br/> It's the same with upgraded PC's - software written on one machine works on one with a different processor. Just faster.<br/> <br/> <br/> But that's just changing the CPU, here we are talking about a new SoC. My experience of Broadcom devices is that when a ne...
by rpt
Wed Feb 01, 2012 12:55 pm
Forum: General discussion
Topic: Swap space on an SD card
Replies: 32
Views: 18075

Re: Swap space on an SD card

<t>Burngate said: <br/> <br/> <br/> Yes, but fill that 8 GB card with 8191 MB of unchanging data, then write the last 1 MB 100,000 times! At 10 MB/s it'll take only 10,000 secs = < 3 hours. And wear-leveling couldn't work with no free space, so it could die in even less time!<br/> <br/> <br/> But wi...
by rpt
Tue Jan 31, 2012 4:36 pm
Forum: General discussion
Topic: How much RAM does the BCM2835 support?
Replies: 21
Views: 7499

Re: How much RAM does the BCM2835 support?

<t>Gert said: <br/> <br/> <br/> Ok, ok, not as much as you like. But it is not the balls at the top which are the limit. The maximum memory size supported by the JDEC standard for a 12x12 168 PoP memory is 8Gb (notice small b!).<br/> <br/> <br/> So 2G byte is the limit for the PoP. But is this the l...
by rpt
Tue Jan 31, 2012 3:25 pm
Forum: General discussion
Topic: How much RAM does the BCM2835 support?
Replies: 21
Views: 7499

Re: How much RAM does the BCM2835 support?

liz said:


It'll support as much RAM as you like


There must be a limit - there are only so many BGA pads on the top of the SoC!

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