Macintosh II si - classic design curves...
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other Apple and Mac Collectors Items.
The IIsi shares some features with the SE/30,
the LC series, and the Mac II series. Like the
SE/30, it has a 68030 PDS for expansion. Like
the LC, it has no built-in NuBus slot, is quite
short, and has a curved front. But with an adapter
(not included in this auction), the PDS can be
converted to a NuBus slot, making it a legitimate
member of the Mac II family. Although the IIsi
was marketed as a 20 MHz computer, users quickly
discovered it used parts rated at 25 MHz. (Apple
had intended it as a 25 MHz computer, but chose
to scale back the speed to avoid cutting into
IIci sales.) Chipping the IIsi to 25 MHz -- or
even 28 MHz -- is not unusual. Along with the
LC, the IIsi was one of the first Macs with audio
input. You can do a lot with a IIsi. I know of
a Mac IIsi being used as a server for an ethernet
network, another being used to play kids games,
and there are even some where I live being used
for QuarkXPress and Illustrator. Photos
Details
Introduced 1990.10.15 at $3,800; discontinued
1993.03.15
Requires System 6.0.6 to 7.6.1
CPU: 20 MHz 68030
FPU: 68882 (optional with NuBus
adapter - not included in this auction)
ROM: 512 KB, usually soldered to the motherboard
RAM: 1 MB on motherboard, expandable to 65 MB
(here 5 MB) using a 4-SIMM bank of 100ns 30-pin
memory; can use 256 KB, 512 KB, 1 MB, 2 MB,
and 4 MB SIMMs (you can use 8 MB and 16 MB SIMMs,
although Apple does not officially support them)
built-in 8-bit video
ADB ports for keyboard and mouse
DIN-8 serial ports on back of computer
DB-25 SCSI connector on back of computer
SE/30 PDS slot, but runs at 20 MHz, so not all
SE/30 cards will work -- can be converted to
NuBus slot with adapter
addressing: 24-bit or 32-bit
Click for more info here: lowendmac.com
- The original ad for the IIsi at macobserver.com
External links:
Macintosh
II si - Klassisches Design Gehäuse...
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Der mit 20 MHz getaktete auf dem Motorola MC68030
basierende Rechner mit einem maximalen Arbeitsspeicher
von 65 Megabyte wurde von Apple im Oktober 1990
vorgestellt. Zur Erweiterung steht ein PDS Slot
der mittels eines Adapters
(nicht in Auktion enthalten) zu einem NuBus
Port konvertiert werden kann. Neben der 8-bit
Farbgrafikkarte auf dem Motherboard verfügt
der II si wie alle Vertreter der II Serie über
ein 8-bit Stereo Soundsystem. An den SCSI Bus
des Systems können extern CD-ROM Laufwerke,
Scanner oder Streamer angeschlossen werden.
5 MB RAM (13 virtuell) - System
7.0.1 D
Einen passenden Monitor (SW oder RGB), können
Sie optional auch bei mir erwerben.
Photos
The Macintosh IIsi with Apple ADB Desktop Mouse.
Softly yellowed on top.
Der Macintosh IIsi mit der Apple Desktop Maus.
Oben leicht vergilbt.
Good optical condition and tested, works.
Guter optischer Zustand, getestet und funktioniert
wie immer.
Benchmark Macintosh IIsi
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