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194-148 IBM POWER GXT150M GRAPHICS ADAPTER (PDF)
The GXT150M, codenamed Neptune, appears in lsdev as nep0.
13W3 to HD15 Adapter
GXT150M
Switch 1 Settings (Frequency only)
AIX 3.2.5 Install
GXT150M
(1-E shown) FRU P/N 93H1527, P/N 84G8685
![[P]](/other/img/photo.gif "Front")
J1 100 pin VMC receptacle
J2 13W3 port
SW DIP switch
U5-8 69G1633
U2 69G1635
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U3 69G1631
U9 76G9188
U13-16 93G9842
U34 84G8692 BIOS
Y1 12.000 xtal
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On the 1-E, there are four more 93G9842 on the reverse of U13-18 for a total
of 8. Perhaps this is the difference between the 1-D and the 1-E?
The 1-D might use larger SMD chips for U5-8 and U2,3,9. The PCB suggests
that larger chips were used. Teeny tiny legend on the chips, maybe 1/32nd of an
inch high.
Interlaced display modes are not supported by these graphics adapters.
13W3 to HDD15 Adapter
Kevin Bowling wrote:
I use one of these
UltraSpec 13W3 M to HD15 F
adapters with the GXT150M. Most monitors that can run 1280x1024 should be
ok.
SW1 Settings
Display
Type | Screen
Resolution | Refresh
(Hz) | Switch
1 2 3 4 | Display
Cable | Display
Mode Sw |
|---|
6317 Color
6324 Color
6325 Color
9524 Color
9525 Color | 1280 x 1024 | 60 | 1 0 1 0 | 51G7826 | - |
1091-51 Color
POWERdisplay 16S | 1280 x 1024 | 72 | 1 1 1 1 | 09G3539 | |
| 5081-16 Color | 1280 x 1024 | 60 | 1 1 1 1 | 09G3539 | - |
6091-16 Color
POWERdisplay 16 | 1280 x 1024 | 60
77 | 1 1 1 1
1 1 0 1 | 09G3539
09G3539 | out (1)
in (2) |
| 6091-19 Color | 1280 x 1024 | 60
67 | 1 1 1 1
1 1 1 0 | 09G3539
09G3539 | 2
3 |
6091-19i Color
POWERdisplay 19 | 1280 x 1024 | 60
77 | 1 1 1 1
1 1 0 1 | 09G3539
09G3539 | 2
- |
| 6091-23 Color | 1280 x 1024 | 60 | 1 1 1 1 | 09G3539 | |
POWERdisplay 17
Color | 1280 x 1024 | 60
77
74 | 1 1 1 1
1 1 0 1
0 1 1 0 | 09G3539 | |
| Other Displays | 1280 x 1024 | 60
74 | 0 1 1 1
0 1 1 0 | 09G3539
09G3539 | -
- |
AIX 3.2.5 Funnies
Don Ramm wrote:
The APAR required for the GXT150M is IX42626, so that's where the
42626 came from. However, the PTF number you should look to see if it is
installed on your system is U439284. I got that from looking up IX42626 on
IBMLink.
Steve Meyer wrote:
Does anyone know exactly what PTFs are needed to get the GXT150M
card to work? We just a new machine in with this card and our standard AIX
clone doesn't seem to have the drivers for this card...
I remember wasting more than a week on this one when GXT150Ms had just come
out. PTFs won't do it. There's an actual operating system (bos) component you
need that shows up now in my system as:
nep.ddx 01.01.02.00 COMMITTED GXT150M Graphics Adapter DDX
nep.mcx 01.01.02.00 COMMITTED GXT150M MC/X Extension
nep.vdd 01.01.02.00 COMMITTED GXT150M Graphics Adapter VDD
As I recall, this code has been on shipments of AIX 3.2.5 since Aug 94, but
good luck on finding out WHICH shipments...
Ed Ravin got it to pop:
I just got X working on a 39H with a GXT150M. First, I installed
U439284, then I installed the "nep" drivers (the GXT 150M support files, they
can't be installed until you've first installed U439284), then, when it still
didn't work, I got the bright idea that maybe the card needs a little
initialization at bootup. So I rebooted (with a power off just to make sure --
you never know, especially with IBM), and X came up just fine after that.
"nep" should be on the tape or CD that came with your system -- I found mine
on an AIX 3.2.5 bootable CD, but I think I saw it on some of the install tapes
too.
| ![[P]](GXT150M_Photo_Front.jpg "Front"){kind=small}
![[P]](GXT150M_Photo_Back.jpg "Back"){kind=small}