Macintosh Color Classic II: Difference between revisions

| release date  = October 1993<ref>fr:Macintosh Color Classic II#Sortie</ref> • November 1993 (Performa 275)<ref>it:Macintosh Color Classic II#Descrizione</ref>

| discontinued  = September 1994<ref>fr:Macintosh Color Classic II#Retrait</ref>

| price          = US\$1,599 (Performa 275 U.S. MSRP)<ref>it:Macintosh Color Classic II#Descrizione</ref>

| cpu            = Motorola 68030 @ 33 MHz<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| fpu            = Optional Motorola 68882 co-processor<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| memory        = 4 MB onboard RAM; expandable to 36 MB via one 72-pin SIMM slot<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| rom            = 1 MB ROM (System 7.1–7.6.1)<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| storage        = 1.44 MB “SuperDrive” floppy; internal SCSI HDD (80 or 160 MB)<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| display        = 10″ Sony Trinitron CRT; 512×384 px (8 bit); 560×384 px for IIe emulation<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| graphics      = 256 KB VRAM onboard; expandable to 512 KB via 72-pin VRAM SIMM<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| sound          = Stereo 8-bit PCM out; mono 8-bit mic in; built-in speaker<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| ports          = 1 × PDS (LC type); 1 × VRAM SIMM slot; 2 × ADB; 2 × Mini-DIN-8 serial; 1 × DB-25 SCSI; audio in/out jacks<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| dimensions    = 368 × 251 × 252 mm<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| weight        = 10 kg<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| power          = 100 W internal PSU<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| os            = System 7.1–Mac OS 7.6.1<ref>fr:Macintosh Color Classic II#Caractéristiques</ref>

| codename      = “Performa 275” (U.S. bundle)<ref>it:Macintosh Color Classic II#Descrizione</ref>

The '''Macintosh Color Classic II''' was Apple’s final all-in-one compact Macintosh, released in late 1993 in Europe, Asia and Canada, and marketed in the United States as the Performa 275. It was a significant upgrade over the original Color Classic, featuring the faster 33 MHz 68030 CPU, a full 32-bit system bus, and support for up to 36 MB of RAM—over three times the maximum of its predecessor—while retaining the distinctive 10″ Trinitron display and compact enclosure. :contentReference[oaicite:0]{index=0} :contentReference[oaicite:1]{index=1}

The Color Classic II’s heart was a Motorola 68030 microprocessor clocked at 33 MHz—a more than two-fold increase over the 16 MHz CPU in the original—paired with an optional 68882 FPU for floating-point acceleration. Its data bus was widened to 32 bits, doubling throughput compared to the 16-bit bus of the original Color Classic. These enhancements delivered roughly 2.5× the overall performance in CPU-bound tasks. :contentReference[oaicite:2]{index=2}

* '''Expansion:''' One 72-pin SIMM slot supporting up to 32 MB more for a total of 36 MB<ref>fr:Macintosh Color Classic II#Caractéristiques</ref> 

* '''VRAM:''' 256 KB dual-ported video RAM, expandable to 512 KB via 72-pin VRAM SIMM<ref>fr:Macintosh Color Classic II#Caractéristiques</ref> enabling 32,768-color modes   

The 32-bit memory bus and cache controller in the LC 550 logic board provided significantly lower latency and higher bandwidth than the original’s MEMCjr chipset. :contentReference[oaicite:3]{index=3}

* '''Expansion:''' LC-type PDS slot for third-party cards (Apple IIe Card compatibility) and VRAM SIMM slot. :contentReference[oaicite:4]{index=4}

The built-in 10″ Sony Trinitron CRT displayed up to 256 colors at 512×384 pixels by default, with a high-resolution 560×384 mode for Apple IIe emulation. The video DACs supported double-buffering via the VRAM SIMM. Audio comprised a mono internal speaker plus stereo line-level outputs, driven by an onboard DAC. :contentReference[oaicite:5]{index=5}