Unboxing the PS/2 8590-402! A Model 90 "Special Bid" unit! (by David Beem; YouTube)
Type 0 Complex (general info)
Model 90 with Type 0 Complex
Weitek 3167 on Type 0 Complex
AdapterID DF9F Integrated Fixed Disk and Controller
Model 90 with Type 0 Complex
A good image showing the clean configuration. Planar XGA, 160 MB
DBA-ESDI, 4x 2 MB 85 ns on one riser, 8 MB
(4x 2 MB 80 ns) on a 2-14 80386
Memory Adapter w/ROM. About the only thing missing is support for 8x 2 MB
85 ns on the risers. That would give us 16 MB with no need for a memory
expansion adapter taking one MCA slot.
This side view shows the DBA-ESDI edge
connector seated into the planar socket. I do not know if the old style risers
(with electrolytic caps between SIMMs) is the key to success, or if the new
memory risers also work.
Total System Memory reports 16.0 MB Installed, 15.6 MB Usable. This includes
the memory expansion adapter!
Built In Features, Installed Memory reports 8.0 MB (planar memory).
Usable System-Board Memory is "Parity". The only type of memory supported by
the Type 0 complex.
Enhanced 80386 Memory Expansion Adapter w/ROM
Installed Memory is 8.0 MB
ROM Address DE000 - DFFFF
And here is the 160 MB DBA-ESDI, Integrated Fixed Disk and Controller.
Weitek 3167 on Type 0 Complex
The 3167 Floating-point coprocessor
is a single chip successor to the three-chip 1167 (X1163 - Databus, X1164 -
Multiply / Divide Unit, X1165 - Arithmetic Unit)
This proves the 3167 is socket compatible with the Type 0 complex FPU
socket.
3167 Diagnostics
3167 looks to be supported by the Type 0 complex.
3167 Phong Shading Demo
AdapterID DF9F Integrated Fixed Disk and Controller (integrated into planar ADF)
DMA Arbitration Level
DMA channel used to transfer data
<"Level
5">, 6, 7, 0, 1, 3, 4
DMA Burst Pacing Interval
Time interval between DMA transfer bursts
during which the Micro Channel is released by the fixed
disk controller for use by the processor.
<24
Microseconds>, 31, 16, Burst Disabled"
DMA Pacing Control
Enables or disables the DMA Burst Pacing Interval.
<"Disabled">,
Enabled
Time to Release
Time the fixed disk controller keeps MC after
being preempted. If 'DMA Pacing Control' is
<Enabled>, Time to Release default is immediate.
Normally, select <6 Microseconds>.
<"6
Microseconds">, 3, Immediate
Fairness On/Off
Bus Arbitration. Will adapter release control
of MC bus after using it exclusively
<"On">,
Off
Primary/Alternate Port Addresses
<Primary> or <Alternate> work
equally well. If there are two integrated fixed disks, then
select <Primary> for one and <Alternate>
for the other.
<"Primary" (io
3510h-3517h)>, Alternate (3518-351f)
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