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Author Topic: iriver h1x0 - RTC (real time clock) mod  (Read 74795 times)

Offline poPFxv8V1

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #135 on: January 16, 2010, 08:14:41 AM »
Just wanted to report another successful RTC mod using the ds3231.

I departed a bit from the instructions though:

  • The ds3231 is mounted upside up so the wiring is simpler.
  • I used the pins as-is without bending them. Shorts on the pcb are prevented by a pice of Kapton tape (tolerates soldering temperatures).
  • I soldered the NC pins to ground, as suggested by the datasheet. This provides lots of mechanical stability so I didn't bother to glue the chip down.
  • I took Vcc from the serial port header instead.

Attached is a picture of the finished product.

* rtcmodsmall.jpg (124.1 kB, 600x646 - viewed 613 times.)
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Offline TaperChuck

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #136 on: January 17, 2010, 01:10:22 PM »
Good job. It's good to see people still doing this. I still have not found a better 44.1 k recorder/player than the hP-120/140...
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Chuck

Offline botinky

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #137 on: January 27, 2010, 01:30:42 PM »
nice job ;D
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Offline GaardenZwerch

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #138 on: February 15, 2010, 08:00:36 AM »
Did the mod last week (DS3231SN from maxim). It went so well that it was almost no fun at all  ;)

Frank
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Offline jayjech

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #139 on: February 06, 2011, 05:09:27 AM »
Another year, another successful RTC mod.  I used the DS3231SN and mostly followed poPFxv8V1's revisions.

Thank you to everyone who contributed their comments, experiences, etc.
« Last Edit: February 06, 2011, 05:11:20 AM by jayjech »
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Offline bpfiguer

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #140 on: April 16, 2011, 02:33:56 PM »
Does anybody have Rockbox 3.8 with real time clock enabled for iRiver h1x0 ? I am not familiar with programing for Rockbox. Thank you!
« Last Edit: April 16, 2011, 02:51:45 PM by bpfiguer »
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Offline bluebrother

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #141 on: April 16, 2011, 03:45:40 PM »
Quote from: bpfiguer on April 16, 2011, 02:33:56 PM
Does anybody have Rockbox 3.8 with real time clock enabled for iRiver h1x0 ? I am not familiar with programing for Rockbox. Thank you!

You don't need to know how to program just to build Rockbox :)
http://www.alice-dsl.net/dominik.riebeling/rockbox/rockbox-iriverh120-rtc-3.8.1.zip
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Rockbox Utility development binaries (updated infrequently) · How to ask questions the smart way · We do not estimate timeframes.

Offline E

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #142 on: January 30, 2016, 06:51:15 AM »
Sorry, this topic is very old, but I was wondering if there still is a RTC-version of Rockbox available for those who doesn't do programming of rockbox? The link above does not work any longer. Could you please post a link here? Regards E
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Offline wodz

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #143 on: January 30, 2016, 12:56:17 PM »
You may ask on IRC. There is a chance some dev with toolchain handy can build it for you almost instantly. Otherwise PM me and I'll build it for you.
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Offline mih140

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #144 on: February 01, 2016, 05:43:51 AM »
Maybe an old thread, but not dead !
Recording from optical entry is so precious for me, but
I'm fed up with all those records on 2008-10-19 !!
I've finally gotten a Maxim chip ;)
Before the electrical mod, I'm looking for a recent compatible RB version ...
Thanks for your help
MB
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Offline bluebrother

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #145 on: February 03, 2016, 02:31:13 PM »
As I said before, you don't need to do programming for Rockbox to be able to build it. And all versions are "compatible". It's just that the official builds have RTC support disabled, so the RTC simply won't be available.

Anyway, I've created a build for Rockbox 3.13.

https://drive.google.com/folderview?id=0B8pPsvGJ3RdKRVY4aHZjeVNwLWM&usp=sharing
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Rockbox Utility development binaries (updated infrequently) · How to ask questions the smart way · We do not estimate timeframes.

Offline mih140

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #146 on: February 06, 2016, 11:15:39 AM »
THANKS  so many :D

I'm a simple old win xp user, and it seems very difficult for me even to install the cross compiler :(
I've updated my H120, (recovering all my presets !) ... and
I will post back, for (I hope) a successful mod !
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Offline wodz

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #147 on: February 06, 2016, 02:20:54 PM »
running VM is not hard (and considerably easier then setting up cross compiler on WIN suitable to build rockbox)
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Offline Datman

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Re: iriver h1x0 - RTC (real time clock) mod
« Reply #148 on: August 25, 2018, 04:38:59 PM »
Hi all

I made this mod many years ago and it worked fine. At that time, the H120 was my only mp3 player, then I was using it every day. Later I bought a smaller player with microSD card and I kept the H120 mainly for recording, via mic in or, for better quality, via optical in (by a Behringer DEQ2496 as a converter).

After some time, I found the battery flat, so I recharged it, but it went low more times. I suspected the RTC mod... Some days ago I noticed that after a full charge the player works for only a few minutes, then the HDD doesn't spin up. It tries indefinitely, until I reset the player!

Only today I opened the H120 for replacing the battery with another one I had from an old broken H120 and I measured battery drain:
HDD running: 580~680mA
Playing: 55~60mA
Off: 436uA (! with DS3231)
Off, after disconnecting pin 14 (Vbat) of the DS3231: 155uA.

A 1,3Ah battery, then, can last about 22h playing (a bit less, because sometime the HDD is running) and:

8400h (about 1 year) Off without RTC
2980h (about 4 months) Off with RTC.

Deep discharging damage a Li-po battery. :(
« Last Edit: August 25, 2018, 04:42:29 PM by Datman »
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