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haglebu
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haglebu
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December 25th, 2020,
02:03 PM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
Addition: According to the users manual of the AST Rampage 286, which was made for the IBM XT/286 and the IBM 5170: „The RAM chips used with the...
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11 replies | 454 view(s)
December 25th, 2020,
06:33 AM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
Yes, in the range from 512KB to 640KB I have installed memory chips from NEC (D41464C-10), see picture. Probably 120ns chips are also...
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11 replies | 454 view(s)
December 22nd, 2020,
12:58 PM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
How embarrassing! Yes, you are right. My fault! ¯\_(ツ)_/¯
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11 replies | 454 view(s)
December 22nd, 2020,
08:22 AM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
I had installed the AMI BIOS anyway because I find the in-built SETUP simply better. After replacing the 12to16 MHz crystal, I did not make any other...
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11 replies | 454 view(s)
December 22nd, 2020,
07:32 AM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
The bus controller at U68 is an Intel D82288-8. This should therefore be 8MHz. In the following picture you can still see the „old“ crystal with 12...
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11 replies | 454 view(s)
December 22nd, 2020,
07:26 AM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
In my XT/286 the clock generator Siemens SAB 82284P is installed at U79. According to the Siemens manual the SAB 82284P generates a system clock...
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11 replies | 454 view(s)
December 22nd, 2020,
05:46 AM
haglebu
replied to a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
Of course, I forgot to mention that I also use a different CPU: 80286-6 to 80286-8.
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11 replies | 454 view(s)
December 22nd, 2020,
03:20 AM
haglebu
started a thread
Upgrading IBM 5162 XT/286 to 8 MHz
in
PCs and Clones
Based on research here in the forum, I upgraded my IBM 5162 XT/286 to 8 MHz as follows: 1. crystal Y1: 12 MHz to 16 MHz 2. BIOS: AMI 1989 /...
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11 replies | 454 view(s)
December 17th, 2020,
09:43 AM
haglebu
replied to a thread
IBM XT/286 with AWARD BIOS
in
PCs and Clones
You can also use: „AMI BIOS SUITABLE FOR THE 5170“, dated 30MAR89, 286-BIOS (c)1989 American Megatrends Inc, D286-1277-043089-K0. Source:...
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3 replies | 303 view(s)
December 17th, 2020,
07:21 AM
haglebu
replied to a thread
IBM XT/286 with AWARD BIOS
in
PCs and Clones
Here is some more information about my configuration: HDC/FDC: IBM Fixed Disk and Diskette Drive Adapter (second generation) HDD: Seagate...
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3 replies | 303 view(s)
December 16th, 2020,
10:05 AM
haglebu
started a thread
IBM XT/286 with AWARD BIOS
in
PCs and Clones
Maybe this info is interesting for one or the other. I have replaced the BIOS on my IBM XT/286 with an AWARD BIOS and it seems to work fine. It...
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3 replies | 303 view(s)
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June 11th, 2019
01:20 AM
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