| 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) |
| | | (111/2"x 81/4"X 7/8") |
| Keyboard | | |
|---|
| | | QWERTY, 64 keys including INDEX, MENU, and HELP. |
| Sound | | |
|---|
| | | Miniature loudspeaker, used for alarm or warning. |
| Serial 1/0 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 |
| 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. |