Brother International HL-2400C Service Manual - Page 97
Hitachi Hb56a132bv-7a, -7al, -7b, -7bl, -8al, -8b, -8bl
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(5) SIMM block SIMM (Single-Inline-Memory-Module) allows memory extension by up to 96MB. 3 SIMM sockets are available. The following type of SIMM can be installed into each slot. • Appearance: 72-pin • Memory type: Fast page or EDO (automatic selection) • Access time: less than 80nsec. • Parity: either Parity or Non-parity can be used • Memory capacity: 1MB, 2MB, 4MB, 8MB, 16MB, 32MB ∗ 1MB: HITACHI HB56D25632B-6A, -7A, -8A MITSUBISHI MH25632BJ-7, -8 ∗ 2MB: HITACHI HB56D51232B-6A, -7A, -8A MITSUBISHI MH51232BJ-7, 8 ∗ 4MB: HITACHI HB56A132BV-7A, -7AL, -7B, -7BL, -8AL, -8B, -8BL MITSUBISHI MH1M32ADJ-7, -8 ∗ 8MB: HITACHI HB56A232BT-7A, -7AL, -7B, -7BL MITSUBISHI MH1M32ADJ-7, -8 ∗ 16MB: TOSHIBA THM324000BSG-60, -70, -80 ∗ 32MB: TOSHIBA THM328020BSG-60, -70, -80 Any combination of SIMM size can be installed into any slot in any order. Note: Fast page type and EDO type can be used together although it is not recommended. (6) External interface block • Centronics Interface • RS-232C Interface • PCMCIA Interface • MIO Interface (7) Engine interface block The engine interface consists of the following signals; The signal indicating the engine is ready Signal requesting printing from the controller Signal indicating that a key switch status on the control panel has changed. Vertical synchronization signal for printing IV-48