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PS/2 Model 30 8086

BillT356

Experienced Member
Joined
Dec 12, 2007
Messages
154
Location
Barnegat, NJ
I have an IBM PS/2 Model 30 8530-002, system unit only.
Specs:
XT 8086, 8.0 Mhz
640 KB RAM
2 3.5" 750 KB FDDs
I have checked out this unit with a copy of the start-up disk, everything works fine. The "B" drive make some noise at first, but then quites down.
Make offer + shipping from 08005. If no offers from here, then it goes on
e-bay
 

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Mike Chambers

Veteran Member
Joined
Sep 2, 2006
Messages
2,621
I have an IBM PS/2 Model 30 8530-002, system unit only.
Specs:
XT 8086, 8.0 Mhz
640 KB RAM
2 3.5" 750 KB FDDs
I have checked out this unit with a copy of the start-up disk, everything works fine. The "B" drive make some noise at first, but then quites down.
Make offer + shipping from 08005. If no offers from here, then it goes on
e-bay

what are you asking for this? i may be interested. does it have ISA slots?
 

IBMMuseum

Veteran Member
Joined
Aug 28, 2006
Messages
1,449
...does it have ISA slots?

Normally three (3) 8-bit slots (along with a battery for the RTC) on a riser...

This system has the two (720Kb) floppies, so probably no HDD (there would not be an available bay)...

"MCGA" (a limited VGA) video, floppy controller, HDD (proprietary) controller, COM (8250 UART) port, LPT (bi-directional) port, & RTC on the system planar...

8086-8MHz...

640Kb with two proprietary 256Kb SIMMs and 128Kb soldered on the planar...
 

EddieDX4

Veteran Member
Joined
Aug 15, 2006
Messages
542
Location
Puget Sound region, WA, USA
Normally three (3) 8-bit slots (along with a battery for the RTC) on a riser...

This system has the two (720Kb) floppies, so probably no HDD (there would not be an available bay)...

"MCGA" (a limited VGA) video, floppy controller, HDD (proprietary) controller, COM (8250 UART) port, LPT (bi-directional) port, & RTC on the system planar...

8086-8MHz...

640Kb with two proprietary 256Kb SIMMs and 128Kb soldered on the planar...


Wasn't MCGA something like 320x200 @ 256 colors and 640x480 mono?

I believe it supports all CGA modes, but not sure about EGA 640x350 @ 16 colors.

Wasn't the Model 30 8086 the same internals (different board layout) as the all-in-one Model 25's?

Man I used to know all of this... Been disconnected from "beige and blue" for a while now. :(
 

IBMMuseum

Veteran Member
Joined
Aug 28, 2006
Messages
1,449
Wasn't MCGA something like 320x200 @ 256 colors and 640x480 mono?

I believe it supports all CGA modes, but not sure about EGA 640x350 @ 16 colors.

Wasn't the Model 30 8086 the same internals (different board layout) as the all-in-one Model 25's?

Man I used to know all of this... Been disconnected from "beige and blue" for a while now. :(

Yes, kind of a "VGA, without EGA" (and only 64Kb VRAM). The Model 30 based on the 8086 CPU was an identically-functioning (different planars) as the 8086-based Model 25, but also added an RTC. For the 286 level, there were two different planars for the Model 25 286 and Model 30 286 that were equally shared between the units.
 

BillT356

Experienced Member
Joined
Dec 12, 2007
Messages
154
Location
Barnegat, NJ
PS/2 Model 30 8086

The bathroom scale (not legal for trade) shows it weights 10 lbs. with out any packing.
 

Great Hierophant

Veteran Member
Joined
Mar 22, 2006
Messages
1,920
Location
Massachusetts, USA
Yes, kind of a "VGA, without EGA" (and only 64Kb VRAM). The Model 30 based on the 8086 CPU was an identically-functioning (different planars) as the 8086-based Model 25, but also added an RTC. For the 286 level, there were two different planars for the Model 25 286 and Model 30 286 that were equally shared between the units.

The Model 30 came before the 25 in the 8086 variety. It would be better to say the 25 lost the RTC functionality
 

IBMMuseum

Veteran Member
Joined
Aug 28, 2006
Messages
1,449
The Model 30 came before the 25 in the 8086 variety. It would be better to say the 25 lost the RTC functionality

I never meant to imply that the Model 25 came out before the Model 30 by the statement, but instead I was referring to the features that are different between the units...
 
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