Power source | ||
---|---|---|
4 x AA Alkaline Cells (MN1500, LR6) providing 20 hours of use. |
AC Mains adaptor (6.5 v DC ±10%), 500 mA, centre positive. | ||
Weight |
---|
900 g (1.98 lb). | ||
Dimensions |
---|
294 mm (L) x 210 mm (D) x 23 mm (H) |
( |
11-1/2" x |
8-1/4" |
x 7/8") | ||
Keyboard | ||
---|---|---|
QWERTY, 64 keys including INDEX, MENU, and HELP. | ||
Sound | ||
---|---|---|
Miniature loudspeaker, used for alarm or warning. | ||
Serial |
---|
I/0 Port |
---|
RS232, connector 9-way 'D' female. | ||
Operating system |
---|
Unique to Cambridge Z88 (concurrent, 4M Bytes address range). | ||
Operating temperature |
0°C to 40°C (32° to 104°F). | ||
Microprocessor |
---|
CMOS Z80A 3.2768Mhz | ||
Internal memory |
---|
DRAM CMOS 32K Bytes |
ROM CMOS 128K Bytes |
Internal options allow the use of up to 512K RAM and 512K ROM in future machines. | ||
Memory cards |
---|
Slots 1, 2, or 3 1M Byte per card maximum |
Slot 3 also programs EPROM cards. | ||
CMOS |
---|
RAM | ||
---|---|---|
Random Access Memory. Data retained while machine is powered. | ||
CMOS EPROM |
---|
Erasable, Programmable, Read-Only Memory |
Data retention measured in years. Card can be removed from Cambridge Z88 without data loss. Eraser available from Cambridge Computer Limited. |