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Le PowerBook 180 est un ordinateur portable d’Apple. Il est lancé avec les PowerBook 145 et PowerBook 160 en octobre 1992. Il constitue le nouveau modèle haut de gamme après le PowerBook 170. Doté du même boîtier que le PowerBook 160, il en est une version plus puissante avec son processeur Motorola 68030 à 33 MHz et son unité de calcul en virgule flottante Motorola 68882. Il est en vente jusqu’en mai 1994. Il sera aussi fabriqué en version Powerbop pour, en France se connecter au réseau Bi-Bop.
Caractéristiques :
Microprocesseur : Motorola 68030 24/32 bits cadencé à 33 MHz
bus système 32 bits à 33 MHz
mémoire cache : 512 octets de niveau 1
ROM : 1 Mio
RAM : 4 Mio extensible à 14 Mio
écran LCD 9,8″ à matrice active
résolutions supportées :
640 × 400 en 4 bits (niveaux de gris)
mémoire vidéo : 512 Kio de VRAM pour écran externe
résolutions supportées (sur écran externe) :
512 × 384 en 8 bits
640 × 400 en 8 bits
640 × 480 en 8 bits
800 × 600 en 8 bits
832 × 624 en 8 bits
disque dur SCSI de 80 ou 120 Mo
lecteur de disquette 3,5″ 1,44 Mo
slots d’extension :
1 emplacement pour modem (en option)
1 connecteur mémoire spécifique (PB 1xx) de type SRAM (vitesse minimale : 85 ns)
connectique :
1 port SCSI (HDI-30)
2 ports série (Mini Din-8)
1 ports ADB
sortie son : mono 8 bits
entrée son : mono 8 bits
sortie vidéo spécifique PowerBook
batterie NiCad lui assurant 2 h 30 à 3 h d’autonomie
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Le Musée Informatique Personnel
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