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Umax SuperMac S900

1996–1997 · desktop

Specifications

Cpu: PowerPC 604 or 604e, 150 to 250 MHz depending on model, with a second CPU slot for a matched dual-processor upgrade
Gpu: ixMicro Twin Turbo Graphics Accelerator, 4 to 8 MB VRAM
Ram: max: 1,040 MB across 8 DIMM slots, 70 ns 5V EDO or fast page DRAM, with memory interleaving supported · base: 16 MB
Ports: Two ADB ports · Two GeoPort-compatible serial ports (mini-DIN 8) · DB-25 SCSI connector · Built-in Ethernet · Six PCI expansion slots · Second CPU slot (Umax SuperMac secondary processor cards only)
Display: ixMicro Twin Turbo Graphics Accelerator, 4 to 8 MB VRAM, resolutions up to 1920x1080
Storage: base: 2 GB SCSI hard drive · options: 4 GB SCSI, Ultra SCSI, or RAID configurations
Os Support: latest: Mac OS 8.1 (Umax was one of the few Mac clone makers to secure a Mac OS 8 license) · shipped: System 7.5.3
Release Price: $3,995

Variants

Revisions

S900/150150 MHz PowerPC 604, launch configuration, 1996

S900/200200 MHz PowerPC 604e

S900/225225 MHz PowerPC 604e

S900/233233 MHz PowerPC 604e

S900/250 DP250 MHz PowerPC 604e, dual-processor configuration

Upgrade paths

CPU

Second CPU slot for a matched-speed Umax SuperMac secondary processor card · Only Umax's own secondary processor cards were supported, and the second CPU had to match the first CPU's clock speed.

MODERATE

RAM

1,040 MB across 8 DIMM slots · Standard EDO or fast page DIMMs, well documented in period reviews.

EASY