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970705 - 5580-Y0C Arrived
Big Fat Mama was delivered to my apartment room. After I unpacked the
container and exposed the machine on the floor, I immediately named it
"Grandma" (grand mother). It was an analogous to PS/2 9595 Type-1 K with 1S1P
planar. Grandma came with 2FDD, SCSI A/32 with old micro code set, 320MB SCSI
HD and 8MB (4x 2MB SIMMs) memory. 256KB cache daughter card was sit on the
complex. It was really impressive machine and it was The computer (well, I
didn't know about 9595A nor Server 500 back then). I loaded SCSI CD-ROM
(no-bezel), DX4ODPR-100. Memory count was really slow with the stock complex.
Later on I got 8 sticks of 8MB parity SIMMs. To say the truce I did not do
any real job with the box for a while but I learned a lot about MCA, IML, PS/55
SIMMs, CPUs, interposers, and so on.
Grandma accelerated my MAD level.
About 5580-Y
Released: Oct 1990
Price: No idea. May be you could buy a new car
Processor complex: Type-1 K'ish 33MHz complex
Planar: 1S1P type (1 serial, 1 parallel port)
Y0x model does not have a translucent plastic lid covering main power SW.
Y1x model does have the lid to prevent unintended system shut down caused by
pushing the SW instead of FDD eject button (maybe...). Have you ever pushed the
main power SW and kept pressing it until you finished whole job with floppies?
I DID it twice or more when I installed PC DOCJ7.0?V (Japanese bilingual PC
DOS7.0 consisted with 9 floppies).
My "Grandma" has 2x FDD. I think 1FDD is enough as far as I use PC DOS
higher than Ver. 5.0. Copying files A to B will take a time if there are 2 FDDs
physically.
Upgrade
If your system have DX2/66
upgrade type-A complex then yours is the second best. The ultimate upgrade
for 5580 is to use Type-4 Y
complex with P-90.
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