Appendix F - Specification
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. |