Apple PC Compatibility Card 12-inch card - Manual (Page 209)

m supports 13-, 14-, 16-, and 20-inch Macintosh-compatible monitors;
Macintosh Portrait Display monitors; Macintosh Two-Page Display
monitors; and 15-, 17,- and 20-inch Macintosh multiple scan monitors
m supports all VGA monitors
m EGA, CGA, MDA also supported
Video DRAM expansion
m two sockets to accommodate 5V, 256K x 16, 60 ns, standard fast-page mode
SOJ package DRAM devices (40 pin), such as Micron #MT4C16257DJ-6,
NEC #UPD424260LE60R, Samsung #KM416C256BJ-6, or Hyundai
#HY514260BJ-60
Sync signals
m separate horizontal, vertical, and composite sync at TTL levels
Power
m +5V ±5%, @ 3A typical
Environment
Temperature
m Operating: 10° C to 40° C (50° F to 104° F)
m Non-operating: –40° C to 65° C (–40° F to 149° F) for 72 hours
Relative humidity
m Operating: 10% RH to 90% noncondensing
m Non-operating: 5% RH to 95% noncondensing
Altitude
m Operating: -1,000 to 10,000 feet (-304.8 m to 3,048 m)
m Non-operating: -1,000 to 40,000 feet (-304.8 m to 12,192 m)
195 Technical Information