| 摘要 |
<p>PURPOSE:To save a labor of removing a memory pack from a memory pack holder every time when the memory pack is used and mounting it to a computer main body by having access to the memory pack accommodated in the memory pack holder from the computer main body as it is. CONSTITUTION:When connecting a memory pack holder main body 1 to a computer main body 13 by a cable 12, a battery 34 of the computer main body 13 is supplied to a memory pack control circuit 20 through a VDD line 22 and an earth line 23. In this case, a voltage of the battery 34 in the computer main body 13 is set to be higher than the voltage of a back up battery 25 in the memory pack holder main body 1, so that in place of the back up battery 25, a voltage of the battery 34 of the computer main body 13 is supplied to RAM cards 101-108 as a back up voltage.</p> |
