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Later PCs | Forum profile
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Forum profile page for Later PCs on http://vintage-computer.com.
This report page is the aggregated overview from a single forum: Later PCs, located on the Message Board at http://vintage-computer.com.
This forum profile page summarizes the general forum statistics such as: Users Activity, Forum Activity, and Top Authors, which are reported in either a table or graph below for a given reporting time period.
Additional forum profile information for "Later PCs" on the Message Board at http://vintage-computer.com is also shown in the following ways:
1) Latest Active Threads
2) Hot Threads for Last Week
Warning: These statistics are generated using 'best efforts' and can experience delays and reporting errors at times. Please note that such statistics do not constitute a forum's popularity and/or exact posting volumes at any given reporting period.
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Posting activity on Later PCs:
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Week
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3 Months
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Threads:
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6
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43
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123
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Post:
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9
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163
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506
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Later PCs Posting activity graph:
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Top authors during last week:
user's latest post:
JX30 VL-Bus Motherboard issues -...
Published (2009-11-02 20:37:00)
Does anyone know if these work as cache replacements? I simply cannot find any of the chips that are actually on the board.
user's latest post:
IBM PS/2 P70 portable not POSTing
Published (2009-11-06 16:19:00)
The local computer nonprofit I help out at knows I love old machines and I identified a PS/2 model P70 that they were given. It powers on, but nothing on the screen and no POST either. I removed the NIC and the 4 memory chips and the CMOS battery, but still nothing. The keyboard lights flash when turning it on, but nothing else. Any other troubleshooting ideas? Hardly ever do I see a failed PS/2.
user's latest post:
IBM board.... need help...
Published (2009-11-01 05:31:00)
I have similar board, an Alaris Leopard 486SLC2 rev C. http://stason.org/TULARC/pc/motherbo...LC2-REV-C.html The CPU on it is IBM 486SLC2-66, not Cyrix or TI.
user's latest post:
IBM board.... need help...
Published (2009-11-01 10:11:00)
Quote: Originally Posted by laxmann31 well i was interested and i researched it. the 486slc was sold under the cyrix name (manufactured by texas instruments) it is apparently based on the i386sx bus It was a Cyrix chip and was fabbed by IBM too... Cyrix didn't have the fab facilities.
user's latest post:
JX30 VL-Bus Motherboard issues -...
Published (2009-10-31 08:10:00)
Quote: Originally Posted by lutiana Yes, it will. I intend to, but when I rigged it Radio shack was very much closed But my tape job will most likely hold for a very long time actually, it would just be a pain to change batteries. Ah yes, I've done the "battery holder made of tape" thing before too. Just don't use $0.50 electrical tape, it tends to melt even at room temperature.
user's latest post:
JX30 VL-Bus Motherboard issues -...
Published (2009-11-02 22:20:00)
They look close enough. I wouldn't have thought that 32Kx8 high-speed SRAM shouldn't be too hard to locate. But maybe the "window" has passed? How about this one from Jameco? JDR's got some too, but they're about $6 the each.
user's latest post:
IBM PS/2 P70 portable not POSTing
Published (2009-11-06 20:31:00)
Quote: Originally Posted by 65535 The local computer nonprofit I help out at knows I love old machines and I identified a PS/2 model P70 that they were given. It powers on, but nothing on the screen and no POST either. I removed the NIC and the 4 memory chips and the CMOS battery, but still nothing. The keyboard lights flash when turning it on, but nothing else. Any other troubleshooting ideas? Hardly ever do I see a failed PS/2. Check the...
user's latest post:
IBM PS/2 P70 portable not POSTing
Published (2009-11-07 02:45:00)
Not perchance Free Geek in Portland, is it? If so, then I'm probably the one who donated it, and it's beyond reasonable repair. (Probably requires resoldering some parts.)
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Latest active threads on Later PCs::
Started 4 days, 9 hours ago (2009-11-06 20:31:00)
by IBMMuseum
Quote:
Originally Posted by 65535
The local computer nonprofit I help out at knows I love old machines and I identified a PS/2 model P70 that they were given. It powers on, but nothing on the screen and no POST either. I removed the NIC and the 4 memory chips and the CMOS battery, but still nothing. The keyboard lights flash when ...
Started 3 weeks, 6 days ago (2009-10-14 09:32:00)
by carangil
I think its time for me to buy an old 5.25 inch drive and a pack of ancient 1.2M disks.
I have a "new" PC that only boots from HDD and floppy, and if the HDD goes out, I need a reliable boot method. I went through a few bad disks trying to get a minimal cd-enabled dos 6.22 boot floppy to boot all the way without screaming 'sector not found.'
The disk that finally did work: an older-...
Started 1 week, 6 days ago (2009-10-28 22:02:00)
by Unknown_K
http://stason.org/TULARC/pc/motherbo...30-VL-BUS.h tml
Real Time Clock
W1
DALLAS Real Time Clock
Closed
MOTOROLA 146818
Open
A 486/133 is 4x33 and I dont see a 4x clock setting on that board. If the pentium overdrive is used you might get 33x3, which is what you show as 100.
Cache jumper setting s are shown, check to see what you have.
Started 1 week, 6 days ago (2009-10-28 19:34:00)
by wolfie
if you could take some pictures it might help someone identify it.
Started 2 weeks ago (2009-10-27 10:07:00)
by Chuck(G)
Much of the "noise" you hear has to do with the matchup of the mechanical characteristics of the positioner with the rate of step pulses being issued by the controller. When the matchup is good, the drive is very quiet. When the controller issues step pulses that too slow, the operation is noisy. Too fast, and you get positioning errors, so one errs on the side of being too slow.
...
Started 3 weeks, 5 days ago (2009-10-15 18:25:00)
by Mike Chambers
eek... well the first problem is that you're not using an ethernet card. get one! for 16-bit ISA, i prefer the 3Com 3C509-TPB.
Started 3 weeks, 5 days ago (2009-10-15 08:33:00)
by Anonymous Coward
I'd be a bit cautious overclocking if the board you are using is an older model. I think the early VLSI chipsets were not always happy about running out of spec, and often times you will see the maximum rated speed stamped onto their surfaces. Not to mention, older boards might not allow you to adjust dividers that control operating speed of ISA or DMA, or insert extra wait states for DRAM and ...
Started 3 weeks, 4 days ago (2009-10-16 13:11:00)
by VintageComputerman
Where are you located? I might be interested.
Did you ever consider keeping the computer and giving away the wife, lol?
Started 3 weeks, 1 day ago (2009-10-19 17:58:00)
by TomFCS
Hi, you can find quite a few . adf files here ----> http://www.mcamafia.de/mcapage0/adflist1.htm
And quite a few reference disks here ----> http://www.walshcomptech.com/selectpccbbs/
Hope this helps.
Tom
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Hot threads for last week on Later PCs::
Started 4 days, 9 hours ago (2009-11-06 20:31:00)
by IBMMuseum
Quote:
Originally Posted by 65535
The local computer nonprofit I help out at knows I love old machines and I identified a PS/2 model P70 that they were given. It powers on, but nothing on the screen and no POST either. I removed the NIC and the 4 memory chips and the CMOS battery, but still nothing. The keyboard lights flash when ...
Started 1 week, 6 days ago (2009-10-28 22:02:00)
by Unknown_K
http://stason.org/TULARC/pc/motherbo...30-VL-BUS.h tml
Real Time Clock
W1
DALLAS Real Time Clock
Closed
MOTOROLA 146818
Open
A 486/133 is 4x33 and I dont see a 4x clock setting on that board. If the pentium overdrive is used you might get 33x3, which is what you show as 100.
Cache jumper setting s are shown, check to see what you have.
Started 3 weeks, 6 days ago (2009-10-14 09:32:00)
by carangil
I think its time for me to buy an old 5.25 inch drive and a pack of ancient 1.2M disks.
I have a "new" PC that only boots from HDD and floppy, and if the HDD goes out, I need a reliable boot method. I went through a few bad disks trying to get a minimal cd-enabled dos 6.22 boot floppy to boot all the way without screaming 'sector not found.'
The disk that finally did work: an older-...
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Size: 1,325 bytes
