114 Appendix B: Technical reference
Battery1
• Used to maintain BIOS settings in CMOS memory.
• Chemistry: Lithium/Manganese Dioxide (Li/MnO2) system.
• Capacity: 225 mAh.
• Battery voltage: 3 V.
•Diameter (max): 20 mm.
Auxiliary I/O interface• 16 independent sink driver output signals and 16 independent input signals, used
to connect TTL or non-TTL devices (up to 24 V).
• Input signals have interrupt generation capabilities.
• Electrical specifications:
-Input signals:
➠Voltage range, logical “1”: 2.4 - 24 V.
➠Voltage range, logical “0”: 0 - 0.8 V.
-Output signals:
➠Logical “1”: sink to ground (100 mA maximum) fuse-protected up to 24 V.
➠Logical “0”: open.
1. Energizer battery performance specifications, provided by Eveready Battery Company
Inc.
MATROX IMAGING est distribué par TECHWAY - www.techway.fr - info@techway.fr - +33 (0)1 64 86 58 30