Jornada 720 with 128MB RAM
"Stefan Lehner" <[email protected]> Thu, 17 Oct 2019 17:16:56 +0200
| Newsgroups | gmane.os.netbsd.ports.hpcarm |
|---|---|
| Message-ID | <000901d584fd$ea379080$bea6b180$@at> |
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Hi!
My name ist Stefan, i like to upgrade my Jornada 720 to 128MB RAM.
I soldered two Samsung K4S511632C-KC75 RAM Chips instead oft the two old
16MB ones on to the RAM/ROM board. So the hardware part is done, the J720
boots fine into WinCE and with the hpcboot.exe into NetBSD. But as expected
only with 32MB available.
I discovered that i can use the JORNADA728 kernel config file with - options
DRAM_PAGES=16384, to get 64MB shown in NetBSD and everything is fine. But
if I set this value to 32768 NetBSD wont boot.
With - options DRAM_PAGES=24576 NetBSD boots, but stops with "panic:
ubc_init: failed to map ubc_object" - dmesg shows 98304KB total memory.
Is anybody out there who can help me with this issue?
You can find images oft he "hardware part" here:
http://www.sp-net.at/wiki/doku.php?id=jornada_j720:memory_upgrade
Regards
Stefan Lehner
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vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal>Hi!<o:p></o:p></p><p class=3DMsoNormal>My name ist =
Stefan, i like to upgrade my Jornada 720 to 128MB RAM. <o:p></o:p></p><p =
class=3DMsoNormal>I soldered two Samsung K4S511632C-KC75 RAM Chips =
instead oft the two old 16MB ones on to the RAM/ROM board. So the =
hardware part is done, the J720 boots fine into WinCE and with the =
hpcboot.exe into NetBSD. But as expected only with 32MB available. =
<o:p></o:p></p><p class=3DMsoNormal>I discovered that i can use the =
JORNADA728 kernel config file with - options =
DRAM_PAGES=3D16384, to get 64MB shown in NetBSD and everything is fine. =
But if I set this value to 32768 NetBSD wont boot. =
<o:p></o:p></p><p class=3DMsoNormal>With - options =
DRAM_PAGES=3D24576 NetBSD boots, but stops with „panic: ubc_init: =
failed to map ubc_object“ - dmesg shows 98304KB total =
memory.<o:p></o:p></p><p class=3DMsoNormal>Is anybody out there who can =
help me with this issue? <o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>You can find =
images oft he „hardware part“ here: <a =
href=3D"http://www.sp-net.at/wiki/doku.php?id=3Djornada_j720:memory_upgra=
de">http://www.sp-net.at/wiki/doku.php?id=3Djornada_j720:memory_upgrade</=
a><o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Regards <o:p></o:p></p><p class=3DMsoNormal>Stefan =
Lehner<o:p></o:p></p></div></body></html>
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