mdesmarais
Active Member
I have two picoPSU90s on order- I'll post more when they come in.
Anyone interested in all in one counter top touchscreen units?
- Thread starter Dumetre
- Start date
drozwood90
Senior Member
Sorry, I've not had time to try to swap boards yet...it's on my list.
--Dan
--Dan
Ranger Digital
Active Member
ANy left? I can give a couple a shot, maybe more. I didnt read every posts but overall it seems people are happy.
mdesmarais
Active Member
Ok, I have installed a picoPSU 90 into one of my units. It seems to work just fine, and is more efficient to boot! Operating power dropped from ~50 to ~45, screen off went from 32 to 27, and suspend went from 30 to 24. I put the case back on, but completely removed the base. I might remove the case fan when I wall mount it- we'll see. My "off" power did get worse though- went from 4 watts to 8. The 12v supply I am using is easily big enough to drive both units, so that might be part of it.
24 watts in suspend is a little more than I would have liked- anyone have any bright ideas to reduce that further?
Disassembly notes- you need to dismantle the right angle joints in order to unplug the power supply harness. I cut one side before I realized that (not that I will likely ever use it again ;-). You have to cut the speaker wire. Once you take the base off, it actually sits quite nicely on the desk. I filled in the missing screws around the chassis- they are 6-32. 1/4" is long enough. (Since I took out the pivot bolts)
24 watts in suspend is a little more than I would have liked- anyone have any bright ideas to reduce that further?
Disassembly notes- you need to dismantle the right angle joints in order to unplug the power supply harness. I cut one side before I realized that (not that I will likely ever use it again ;-). You have to cut the speaker wire. Once you take the base off, it actually sits quite nicely on the desk. I filled in the missing screws around the chassis- they are 6-32. 1/4" is long enough. (Since I took out the pivot bolts)
If you haven't already, buy a 4GB CF IDE/SATA card (whatever it supports), and run XP from that (use nLite and EWF to optimize). LogicSupply.com sells them for a good price. If you are only going to use it as just a touch screen, then you could actually go with just 1-2GB.
drozwood90
Senior Member
Based on my understanding of designing switching power supplies...that's your culprit. It'll be efficient in specific ranges.
--Dan
pete_c
Guru
I am currently using a couple of the newer Pico M3-ATX 125W automotive PS for my carpcs newer smaller footprint atom based MB's - work well so far - been about 6-8 months.
On the other hand also using M2's-ATX 160W for FW's and TS PC's on 24/7 and working well. Powering them with 5 AMP 12VDC bricks. MB's are VIA MiniITX, Dual core Atoms and 1.8 Celerons all doing well.
On the other hand also using M2's-ATX 160W for FW's and TS PC's on 24/7 and working well. Powering them with 5 AMP 12VDC bricks. MB's are VIA MiniITX, Dual core Atoms and 1.8 Celerons all doing well.
mdesmarais
Active Member
That's an interesting product. .. . I am running W2K now though, so the payback time might be pretty long (OS + device). How well do these work with OS temp files and stuff like that?
I'll have to check the disk to see if it is sucking power when I am sleeping- I'm not really concerned with runtime power as the unit will sleep most of the time.
Power supply efficiency- yeah, that low a draw is probably in a different mode. It is supposed to be 70%. Can't beat the cost point though. ;-)
mdesmarais
Active Member
So when it is sleeping, the hard drive pulls next to nothing (less than 0.5 watt), so I am not driven to go to flash- no real power savings for the way these will be used.
Bought my long drill bit- maybe I'll get it in the wall today!
Bought my long drill bit- maybe I'll get it in the wall today!
pete_c
Guru
Thought I would take apart my similiar Intermec 5055 to see maybe about replacing the MB. Its totally a different machine with a very custom PS. This one is more self contained with a PCMCIA card slot, CF memory card slot and 2.5" drive card slot. It was used in a UPS truck and has a three pin 12VDC connector on it. Slower remember that if I could up the memory some it would run better. Did get XP running on it years ago. These pictures are to help anyone ripping their unit apart. Its a bit dusty / dirty from sitting in a box - but screen is pretty clean.
mdesmarais
Active Member
You didn't go all the way! ;-)
If you pull the motherboard, you will find that the CPU actually heatsinks directly to the cast metal chassis, no fan. Sorry, I didn't take a picture when I did it.
I'm running win2k on mine- I've got one in the wall, and two on the bench- need to do a little work on the bench units- one seems to have a HD issue when it gets warm, the other has an older BIOS and won't take the new drives I've been using in the others.
If you pull the motherboard, you will find that the CPU actually heatsinks directly to the cast metal chassis, no fan. Sorry, I didn't take a picture when I did it.
I'm running win2k on mine- I've got one in the wall, and two on the bench- need to do a little work on the bench units- one seems to have a HD issue when it gets warm, the other has an older BIOS and won't take the new drives I've been using in the others.
pete_c
Guru
The next step was to remove the MB (2 AM last night) but looked at the one's you have and it looks like your MB's are flipped eh? I think the one I have is like a 400/500 setup - not sure its been many years. It looks though to be a PIII / 370 CPU though. I hope the pictures helped though. Mine originally came with an embedded MSDOS custom OS and wireless. I did get XP running on it though. I couldn't find a BIOS for mine but SisSandra did mentioned the expandibility of using a faster CPU and more memory. Ideally then a mode on the BIOS would have worked and I didn't remember if the BIOS was soldered on or not. Historically have modded a couple in the past but found a service on linux dot org years ago (not sure if they even exists) - but it involved a mode to the BIOS and a little bit of overclocking an AMD instead of an Intel CPU and utilized a mobile (cooler) AMD removing the cover of the AMD chip so that it would run a bit cooler.
Monk
Active Member
I was just researching a small motherboard someone mentioned in another post. An INTEL D945GCLF2D. Was thinking that might be a good replacement board that might fit in our "All-in-one" touchscreens that are referenced in this thread. If it was not for the little "daughter-board" dealie that attaches to the touchscreen and connects to a set of pins on the existing motherboard - it would be cool.... Anyone know what this actually does and is there a way to use a different motherboard?
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