Toshiba Tecra 700CS Maintenance Manual page 6

The system board is composed of the following major components:
One Intel Pentium 120MHz 64-bit microprocessor with VRT.
It operates at 120 MHz and 2.9 volts.
Standard RAM
8 MB, four 1Mx16-bit chips (700CS)
16 MB, eight 1Mx16-bit chips (700CT)
3.3 volt operation
No parity bit
Access time 10 ns
Data transfer is 64-bit width
BIOS ROM (Flash E
256 KB (one 256Kx8-bit chip) memory
- 128 KB are used for the system BIOS
- 64 KB are used for the VGA BIOS
- 8 KB are used for the plug and play data area
- 16 KB are used for boot
- 40 KB are reserved
Access time 120 ns
Data transfer is 8-bit width
Video RAM
1 MB (Two 256Kx16-bit DRAM)
5 volt operation
Access time 60 ns
Optional memory
One expansion memory slot is available for 8, 16, and 32 MB memory modules, which
consist of some 1 MBx16-bit chips.
Total maximum memory size is 40 MB for the 700CS and 48 MB for the 700CT (if a
32 MB memory module is installed).
3.3 volt operation
No parity bit
Access time 10 ns
Data transfer is 64-bit width
Data buffer Gate Array
This gate array has the following functions:
- Power down control
- Memory data bus control
PCI bridge Gate Array
This gate array has the following functions:
- CPU control
- DRAM control
- Internal PCI bridge
1-6
2
PROM)
700 Series